Mercurial > hg > th-libs
annotate th_string.c @ 287:e214637b0645
Add check for (currently unsupported) length modifiers.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 22 Feb 2016 13:51:14 +0200 |
parents | 5cbdf215e42b |
children | bd10af062702 |
rev | line source |
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1 /* |
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2 * Miscellaneous string-handling related utility-functions |
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3 * Programmed and designed by Matti 'ccr' Hamalainen |
231 | 4 * (C) Copyright 2002-2016 Tecnic Software productions (TNSP) |
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5 * |
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6 * Please read file 'COPYING' for information on license and distribution. |
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7 */ |
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8 #include "th_util.h" |
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9 #include "th_string.h" |
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10 |
80 | 11 |
12 /* Implementation of strdup() with a NULL check | |
8 | 13 */ |
268 | 14 size_t th_strlen(const char *str) |
15 { | |
16 size_t len; | |
17 assert(str != NULL); | |
18 | |
19 for (len = 0; *str; str++) len++; | |
20 | |
21 return len; | |
22 } | |
23 | |
24 | |
25 /* Implementation of strdup() with a NULL check | |
26 */ | |
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27 char *th_strdup(const char *src) |
8 | 28 { |
10 | 29 char *res; |
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30 if (src == NULL) |
10 | 31 return NULL; |
44 | 32 |
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33 if ((res = th_malloc(strlen(src) + 1)) == NULL) |
10 | 34 return NULL; |
44 | 35 |
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36 strcpy(res, src); |
10 | 37 return res; |
8 | 38 } |
39 | |
40 | |
81 | 41 /* Implementation of strndup() with NULL check |
42 */ | |
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43 char *th_strndup(const char *src, const size_t n) |
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44 { |
81 | 45 char *res; |
46 size_t len; | |
79 | 47 |
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48 if (src == NULL) |
81 | 49 return NULL; |
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50 |
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51 len = strlen(src); |
81 | 52 if (len > n) |
53 len = n; | |
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54 |
82
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55 if ((res = th_malloc(len + 1)) == NULL) |
81 | 56 return NULL; |
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57 |
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58 memcpy(res, src, len); |
81 | 59 res[len] = 0; |
60 | |
61 return res; | |
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62 } |
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63 |
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64 |
223 | 65 /* Like strdup, but trims whitespace from the string according to specified flags. |
66 * See TH_TRIM_* in th_string.h. If the resulting string would be empty (length 0), | |
67 * NULL is returned. | |
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68 */ |
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69 static inline char * th_strdup_trim_do(const char *src, size_t len, const int flags) |
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70 { |
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71 char *res; |
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72 size_t start, end; |
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73 |
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74 if (len == 0) |
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75 return NULL; |
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76 |
174 | 77 // Trim start: find first non-whitespace character |
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78 if (flags & TH_TRIM_START) |
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79 for (start = 0; start < len && th_isspace(src[start]); start++); |
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80 else |
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81 start = 0; |
174 | 82 |
83 // Trim end: find last non-whitespace character | |
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84 if (flags & TH_TRIM_END) |
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85 for (end = len - 1; end > start && th_isspace(src[end]); end--); |
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86 else |
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87 end = len; |
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88 |
174 | 89 // Allocate memory for result |
224
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90 if (src[end] == 0 || th_isspace(src[end])) |
222
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91 return NULL; |
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92 |
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93 len = end - start + 1; |
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94 if ((res = th_malloc(len + 1)) == NULL) |
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95 return NULL; |
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96 |
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97 memcpy(res, src + start, len); |
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98 res[len] = 0; |
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99 return res; |
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100 } |
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101 |
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102 |
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103 char *th_strdup_trim(const char *src, const int flags) |
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104 { |
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105 if (src == NULL) |
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106 return NULL; |
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107 |
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108 return th_strdup_trim_do(src, strlen(src), flags); |
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109 } |
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110 |
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111 |
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112 char *th_strndup_trim(const char *src, const size_t n, const int flags) |
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113 { |
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114 size_t len; |
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115 if (src == NULL || n == 0) |
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116 return NULL; |
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117 |
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118 for (len = 0; len < n && src[len]; len++); |
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119 |
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120 return th_strdup_trim_do(src, len, flags); |
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121 } |
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122 |
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123 |
236
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124 // |
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125 // Simple implementations of printf() type functions |
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126 // |
280
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127 static int th_printf_vput_pad(th_printf_ctx *ctx, th_printf_vputch vputch, int nwidth, const char padChar) |
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128 { |
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129 while (nwidth--) |
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130 { |
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131 int ret; |
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132 if ((ret = vputch(ctx, padChar)) == EOF) |
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133 return ret; |
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134 } |
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135 return 0; |
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136 } |
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137 |
284 | 138 |
277
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139 static int th_printf_vput_int(th_printf_ctx *ctx, th_printf_vputch vputch, |
253
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140 int pval, const int radix, const char padMode, const char padChar, |
285
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141 const int f_width, const BOOL unsig, const BOOL upcase, const BOOL f_sign) |
228
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142 { |
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143 char buf[64]; |
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144 size_t pos = 0; |
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145 BOOL neg = FALSE; |
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146 int ret = 0; |
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147 |
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148 if (radix > 16) |
242
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149 return EOF; |
228
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150 |
229 | 151 // Check for negative value |
253
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152 if (pval < 0 && !unsig) |
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153 { |
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154 neg = TRUE; |
253
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Fix handling of negative values.
Matti Hamalainen <ccr@tnsp.org>
parents:
252
diff
changeset
|
155 pval = -pval; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
156 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
157 |
229 | 158 // Render the value to a string in buf (reversed) |
253
d1b4f4ea4715
Fix handling of negative values.
Matti Hamalainen <ccr@tnsp.org>
parents:
252
diff
changeset
|
159 unsigned int val = pval; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
160 do |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
161 { |
253
d1b4f4ea4715
Fix handling of negative values.
Matti Hamalainen <ccr@tnsp.org>
parents:
252
diff
changeset
|
162 unsigned int digit = val % radix; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
163 if (digit < 10) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
164 buf[pos] = '0' + digit; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
165 else |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
166 buf[pos] = (upcase ? 'A' : 'a') + digit - 10; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
167 val /= radix; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
168 pos++; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
169 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
170 while (val > 0 && pos < sizeof(buf) - 1); |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
171 buf[pos] = 0; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
172 |
233
1be1a9bab1d3
Add some error checking to th_vprintf_do().
Matti Hamalainen <ccr@tnsp.org>
parents:
231
diff
changeset
|
173 // Oops, the value did not fit in the buffer! |
1be1a9bab1d3
Add some error checking to th_vprintf_do().
Matti Hamalainen <ccr@tnsp.org>
parents:
231
diff
changeset
|
174 if (val > 0) |
242
11f8cd7d73d3
Fix return values of some helper functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
241
diff
changeset
|
175 return EOF; |
233
1be1a9bab1d3
Add some error checking to th_vprintf_do().
Matti Hamalainen <ccr@tnsp.org>
parents:
231
diff
changeset
|
176 |
229 | 177 // Do we want a sign prefix? Not for unsigned values |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
178 if (!unsig) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
179 { |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
180 char ch = f_sign ? (neg ? '-' : '+') : (neg ? '-' : 0); |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
181 if (ch && (ret = vputch(ctx, ch)) == EOF) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
182 goto out; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
183 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
184 |
229 | 185 // Calculate necessary padding, if any |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
186 int nwidth = f_width - pos; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
187 |
241 | 188 // Prefix padding? |
280
454f0d37d94b
Implement th_printf_vput_pad() helper and use it where needed.
Matti Hamalainen <ccr@tnsp.org>
parents:
279
diff
changeset
|
189 if (padMode != '-' && nwidth > 0 && (ret = th_printf_vput_pad(ctx, vputch, nwidth, padMode)) == EOF) |
454f0d37d94b
Implement th_printf_vput_pad() helper and use it where needed.
Matti Hamalainen <ccr@tnsp.org>
parents:
279
diff
changeset
|
190 goto out; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
191 |
229 | 192 // Output the value |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
193 while (pos--) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
194 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
195 if ((ret = vputch(ctx, buf[pos])) == EOF) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
196 goto out; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
197 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
198 |
229 | 199 // Postfix padding? |
280
454f0d37d94b
Implement th_printf_vput_pad() helper and use it where needed.
Matti Hamalainen <ccr@tnsp.org>
parents:
279
diff
changeset
|
200 if (padMode == '-' && nwidth > 0 && (ret = th_printf_vput_pad(ctx, vputch, nwidth, ' ')) == EOF) |
454f0d37d94b
Implement th_printf_vput_pad() helper and use it where needed.
Matti Hamalainen <ccr@tnsp.org>
parents:
279
diff
changeset
|
201 goto out; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
202 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
203 out: |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
204 return ret; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
205 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
206 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
207 |
277
7450d744e633
Rename internal functions and add a typedef for function pointer used for vputch().
Matti Hamalainen <ccr@tnsp.org>
parents:
268
diff
changeset
|
208 static int th_printf_vput_str(th_printf_ctx *ctx, th_printf_vputch vputch, |
245
c8595941852b
Some more preparation work for precision support.
Matti Hamalainen <ccr@tnsp.org>
parents:
244
diff
changeset
|
209 const char *str, const char padMode, const char padChar, |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
210 const int f_width, const int f_prec) |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
211 { |
248
3a2a29f801ed
Add check for NULL strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
247
diff
changeset
|
212 int nwidth, ret = 0; |
3a2a29f801ed
Add check for NULL strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
247
diff
changeset
|
213 |
3a2a29f801ed
Add check for NULL strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
247
diff
changeset
|
214 // Check for null strings |
3a2a29f801ed
Add check for NULL strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
247
diff
changeset
|
215 if (str == NULL) |
3a2a29f801ed
Add check for NULL strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
247
diff
changeset
|
216 str = "(null)"; |
3a2a29f801ed
Add check for NULL strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
247
diff
changeset
|
217 |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
218 nwidth = f_width - strlen(str); |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
219 |
241 | 220 // Prefix padding? |
280
454f0d37d94b
Implement th_printf_vput_pad() helper and use it where needed.
Matti Hamalainen <ccr@tnsp.org>
parents:
279
diff
changeset
|
221 if (padMode != '-' && nwidth > 0 && (ret = th_printf_vput_pad(ctx, vputch, nwidth, padMode)) == EOF) |
454f0d37d94b
Implement th_printf_vput_pad() helper and use it where needed.
Matti Hamalainen <ccr@tnsp.org>
parents:
279
diff
changeset
|
222 goto out; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
223 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
224 while (*str) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
225 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
226 if ((ret = vputch(ctx, *str++)) == EOF) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
227 goto out; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
228 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
229 |
241 | 230 // Postfix padding? |
280
454f0d37d94b
Implement th_printf_vput_pad() helper and use it where needed.
Matti Hamalainen <ccr@tnsp.org>
parents:
279
diff
changeset
|
231 if (padMode == '-' && nwidth > 0 && (ret = th_printf_vput_pad(ctx, vputch, nwidth, ' ')) == EOF) |
454f0d37d94b
Implement th_printf_vput_pad() helper and use it where needed.
Matti Hamalainen <ccr@tnsp.org>
parents:
279
diff
changeset
|
232 goto out; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
233 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
234 out: |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
235 return ret; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
236 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
237 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
238 |
277
7450d744e633
Rename internal functions and add a typedef for function pointer used for vputch().
Matti Hamalainen <ccr@tnsp.org>
parents:
268
diff
changeset
|
239 int th_vprintf_do(th_printf_ctx *ctx, th_printf_vputch vputch, const char *fmt, va_list ap) |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
240 { |
238
d3ab9d263409
Initialize return value variable.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
241 int ret = 0; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
242 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
243 while (*fmt) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
244 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
245 if (*fmt != '%') |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
246 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
247 if ((ret = vputch(ctx, *fmt)) == EOF) |
247
2fc282c365a8
Use special error codes for syntax errors in format string.
Matti Hamalainen <ccr@tnsp.org>
parents:
246
diff
changeset
|
248 goto out; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
249 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
250 else |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
251 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
252 char padMode = ' ', padChar = 0; |
286 | 253 int f_width = 0, f_prec = -1; |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
254 BOOL f_sign = FALSE; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
255 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
256 fmt++; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
257 |
284 | 258 // Check for field sign |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
259 if (*fmt == '+') |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
260 { |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
261 f_sign = TRUE; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
262 fmt++; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
263 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
264 |
241 | 265 // Check for padding |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
266 if (*fmt == '0' || *fmt == '-' || *fmt == '\'') |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
267 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
268 padMode = *fmt++; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
269 if (padMode == '\'') |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
270 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
271 padChar = *fmt++; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
272 if (*fmt != '\'') |
247
2fc282c365a8
Use special error codes for syntax errors in format string.
Matti Hamalainen <ccr@tnsp.org>
parents:
246
diff
changeset
|
273 return -101; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
274 fmt++; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
275 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
276 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
277 if (*fmt == 0) |
247
2fc282c365a8
Use special error codes for syntax errors in format string.
Matti Hamalainen <ccr@tnsp.org>
parents:
246
diff
changeset
|
278 return -102; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
279 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
280 |
284 | 281 // Get field width |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
282 while (th_isdigit(*fmt)) |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
283 f_width = f_width * 10 + (*fmt++ - '0'); |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
284 |
241 | 285 // Check for precision |
240
5e781dba6136
Some preparation for %f support .. if it ever happens.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
286 if (*fmt == '.') |
5e781dba6136
Some preparation for %f support .. if it ever happens.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
287 { |
5e781dba6136
Some preparation for %f support .. if it ever happens.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
288 fmt++; |
5e781dba6136
Some preparation for %f support .. if it ever happens.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
289 if (!th_isdigit(*fmt)) |
247
2fc282c365a8
Use special error codes for syntax errors in format string.
Matti Hamalainen <ccr@tnsp.org>
parents:
246
diff
changeset
|
290 return -103; |
240
5e781dba6136
Some preparation for %f support .. if it ever happens.
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parents:
239
diff
changeset
|
291 |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
292 f_prec = 0; |
240
5e781dba6136
Some preparation for %f support .. if it ever happens.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
293 while (th_isdigit(*fmt)) |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
294 f_prec = f_prec * 10 + (*fmt++ - '0'); |
240
5e781dba6136
Some preparation for %f support .. if it ever happens.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
295 } |
287
e214637b0645
Add check for (currently unsupported) length modifiers.
Matti Hamalainen <ccr@tnsp.org>
parents:
286
diff
changeset
|
296 // Check for length modifiers (NOT SUPPORTED CURRENTLY) |
e214637b0645
Add check for (currently unsupported) length modifiers.
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286
diff
changeset
|
297 switch (*fmt) |
e214637b0645
Add check for (currently unsupported) length modifiers.
Matti Hamalainen <ccr@tnsp.org>
parents:
286
diff
changeset
|
298 { |
e214637b0645
Add check for (currently unsupported) length modifiers.
Matti Hamalainen <ccr@tnsp.org>
parents:
286
diff
changeset
|
299 case 'l': |
e214637b0645
Add check for (currently unsupported) length modifiers.
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parents:
286
diff
changeset
|
300 case 'L': |
e214637b0645
Add check for (currently unsupported) length modifiers.
Matti Hamalainen <ccr@tnsp.org>
parents:
286
diff
changeset
|
301 case 'h': |
e214637b0645
Add check for (currently unsupported) length modifiers.
Matti Hamalainen <ccr@tnsp.org>
parents:
286
diff
changeset
|
302 case 'j': |
e214637b0645
Add check for (currently unsupported) length modifiers.
Matti Hamalainen <ccr@tnsp.org>
parents:
286
diff
changeset
|
303 case 'z': |
e214637b0645
Add check for (currently unsupported) length modifiers.
Matti Hamalainen <ccr@tnsp.org>
parents:
286
diff
changeset
|
304 case 't': |
e214637b0645
Add check for (currently unsupported) length modifiers.
Matti Hamalainen <ccr@tnsp.org>
parents:
286
diff
changeset
|
305 return -202; |
e214637b0645
Add check for (currently unsupported) length modifiers.
Matti Hamalainen <ccr@tnsp.org>
parents:
286
diff
changeset
|
306 } |
240
5e781dba6136
Some preparation for %f support .. if it ever happens.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
307 |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
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224
diff
changeset
|
308 switch (*fmt) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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224
diff
changeset
|
309 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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224
diff
changeset
|
310 case 0: |
247
2fc282c365a8
Use special error codes for syntax errors in format string.
Matti Hamalainen <ccr@tnsp.org>
parents:
246
diff
changeset
|
311 return -104; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
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224
diff
changeset
|
312 |
249 | 313 case 'c': |
285
e1414cf8fef8
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Matti Hamalainen <ccr@tnsp.org>
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284
diff
changeset
|
314 if (padMode != ' ' || f_width > 0 || f_prec >= 0 || f_sign) |
249 | 315 return -105; |
250 | 316 |
317 if ((ret = vputch(ctx, va_arg(ap, int))) == EOF) | |
249 | 318 goto out; |
319 break; | |
320 | |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
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224
diff
changeset
|
321 case 'u': |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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224
diff
changeset
|
322 case 'd': |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
323 if ((padMode != '0' && padMode != '-' && padMode != ' ') || f_prec >= 0) |
247
2fc282c365a8
Use special error codes for syntax errors in format string.
Matti Hamalainen <ccr@tnsp.org>
parents:
246
diff
changeset
|
324 return -105; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
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224
diff
changeset
|
325 |
277
7450d744e633
Rename internal functions and add a typedef for function pointer used for vputch().
Matti Hamalainen <ccr@tnsp.org>
parents:
268
diff
changeset
|
326 if ((ret = th_printf_vput_int(ctx, vputch, va_arg(ap, unsigned int), |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
327 10, padMode, padChar, f_width, *fmt == 'u', FALSE, f_sign)) == EOF) |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
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224
diff
changeset
|
328 goto out; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
329 break; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
330 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
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224
diff
changeset
|
331 case 'x': |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
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224
diff
changeset
|
332 case 'X': |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
333 if ((padMode != '0' && padMode != '-' && padMode != ' ') || f_prec >= 0) |
247
2fc282c365a8
Use special error codes for syntax errors in format string.
Matti Hamalainen <ccr@tnsp.org>
parents:
246
diff
changeset
|
334 return -106; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
335 |
277
7450d744e633
Rename internal functions and add a typedef for function pointer used for vputch().
Matti Hamalainen <ccr@tnsp.org>
parents:
268
diff
changeset
|
336 if ((ret = th_printf_vput_int(ctx, vputch, va_arg(ap, unsigned int), |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
337 16, padMode, padChar, f_width, TRUE, *fmt == 'X', FALSE)) == EOF) |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
338 goto out; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
339 break; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
340 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
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224
diff
changeset
|
341 case 'f': |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
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224
diff
changeset
|
342 goto out; |
240
5e781dba6136
Some preparation for %f support .. if it ever happens.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
343 break; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
344 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
345 case 's': |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
346 if ((padMode != '-' && padMode != ' ') || f_sign) |
247
2fc282c365a8
Use special error codes for syntax errors in format string.
Matti Hamalainen <ccr@tnsp.org>
parents:
246
diff
changeset
|
347 return -108; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
348 |
285
e1414cf8fef8
Rename some function arguments and variables.
Matti Hamalainen <ccr@tnsp.org>
parents:
284
diff
changeset
|
349 if ((ret = th_printf_vput_str(ctx, vputch, va_arg(ap, char *), padMode, padChar, f_width, f_prec)) == EOF) |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
350 goto out; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
351 break; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
352 |
278
a6088507317b
Comment out case '%', it's superfluous here.
Matti Hamalainen <ccr@tnsp.org>
parents:
277
diff
changeset
|
353 //case '%': |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
354 default: |
251
7b76108248e9
More work on printing functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
355 if ((ret = vputch(ctx, *fmt)) == EOF) |
7b76108248e9
More work on printing functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
356 goto out; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
357 break; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
358 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
359 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
360 fmt++; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
361 } |
243 | 362 |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
363 out: |
279
15e2ee6c7bfc
Add th_printf_ctx.ipos and use it for return values. It's a hack. :S
Matti Hamalainen <ccr@tnsp.org>
parents:
278
diff
changeset
|
364 return ret == EOF ? ret : ctx->ipos; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
365 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
366 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
367 |
239
10f596441e75
Silence unused function warning when not using internal implementations.
Matti Hamalainen <ccr@tnsp.org>
parents:
238
diff
changeset
|
368 #ifdef TH_USE_INTERNAL_SPRINTF |
251
7b76108248e9
More work on printing functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
369 static int th_pbuf_vputch(th_printf_ctx *ctx, const char ch) |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
370 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
371 if (ctx->pos < ctx->size) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
372 ctx->buf[ctx->pos] = ch; |
283 | 373 |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
374 ctx->pos++; |
279
15e2ee6c7bfc
Add th_printf_ctx.ipos and use it for return values. It's a hack. :S
Matti Hamalainen <ccr@tnsp.org>
parents:
278
diff
changeset
|
375 ctx->ipos++; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
376 return ch; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
377 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
378 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
379 |
251
7b76108248e9
More work on printing functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
380 static int th_stdio_vputch(th_printf_ctx *ctx, const char ch) |
239
10f596441e75
Silence unused function warning when not using internal implementations.
Matti Hamalainen <ccr@tnsp.org>
parents:
238
diff
changeset
|
381 { |
251
7b76108248e9
More work on printing functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
382 ctx->pos++; |
279
15e2ee6c7bfc
Add th_printf_ctx.ipos and use it for return values. It's a hack. :S
Matti Hamalainen <ccr@tnsp.org>
parents:
278
diff
changeset
|
383 ctx->ipos++; |
251
7b76108248e9
More work on printing functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
384 return fputc(ch, (FILE *) ctx->data); |
239
10f596441e75
Silence unused function warning when not using internal implementations.
Matti Hamalainen <ccr@tnsp.org>
parents:
238
diff
changeset
|
385 } |
10f596441e75
Silence unused function warning when not using internal implementations.
Matti Hamalainen <ccr@tnsp.org>
parents:
238
diff
changeset
|
386 #endif |
10f596441e75
Silence unused function warning when not using internal implementations.
Matti Hamalainen <ccr@tnsp.org>
parents:
238
diff
changeset
|
387 |
10f596441e75
Silence unused function warning when not using internal implementations.
Matti Hamalainen <ccr@tnsp.org>
parents:
238
diff
changeset
|
388 |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
389 int th_vsnprintf(char *buf, size_t size, const char *fmt, va_list ap) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
390 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
391 #ifdef TH_USE_INTERNAL_SPRINTF |
252 | 392 int ret; |
251
7b76108248e9
More work on printing functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
250
diff
changeset
|
393 th_printf_ctx ctx; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
394 ctx.buf = buf; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
395 ctx.size = size; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
396 ctx.pos = 0; |
281
0c70dcfb6796
Remember to initialize th_printf_ctx.ipos to 0!
Matti Hamalainen <ccr@tnsp.org>
parents:
280
diff
changeset
|
397 ctx.ipos = 0; |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
398 |
252 | 399 ret = th_vprintf_do(&ctx, th_pbuf_vputch, fmt, ap); |
400 | |
401 if (ctx.pos < size) | |
402 buf[ctx.pos] = 0; | |
403 else | |
404 if (size > 0) | |
405 buf[size - 1] = 0; | |
406 | |
407 return ret; | |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
408 #else |
237
c55ebc438243
Oops, s/vsnpintf/vsnprintf/.
Matti Hamalainen <ccr@tnsp.org>
parents:
236
diff
changeset
|
409 return vsnprintf(buf, size, fmt, ap); |
228
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
410 #endif |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
411 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
412 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
413 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
414 int th_snprintf(char *buf, size_t size, const char *fmt, ...) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
415 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
416 int n; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
417 va_list ap; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
418 va_start(ap, fmt); |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
419 #ifdef TH_USE_INTERNAL_SPRINTF |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
420 n = th_vsnprintf(buf, size, fmt, ap); |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
421 #else |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
422 n = vsnprintf(buf, size, fmt, ap); |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
423 #endif |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
424 va_end(ap); |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
425 return n; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
426 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
427 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
428 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
429 int th_vfprintf(FILE *fh, const char *fmt, va_list ap) |
ca9cd98dbcff
Initial work on printf() style function family implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
430 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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|
431 #ifdef TH_USE_INTERNAL_SPRINTF |
251
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More work on printing functions.
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|
432 th_printf_ctx ctx; |
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More work on printing functions.
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changeset
|
433 ctx.data = (void *) fh; |
7b76108248e9
More work on printing functions.
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changeset
|
434 ctx.pos = 0; |
281
0c70dcfb6796
Remember to initialize th_printf_ctx.ipos to 0!
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|
435 ctx.ipos = 0; |
251
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changeset
|
436 |
252 | 437 return th_vprintf_do(&ctx, th_stdio_vputch, fmt, ap); |
228
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Initial work on printf() style function family implementation.
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|
438 #else |
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Initial work on printf() style function family implementation.
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|
439 return vfprintf(fh, fmt, ap); |
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Initial work on printf() style function family implementation.
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|
440 #endif |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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changeset
|
441 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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224
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changeset
|
442 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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changeset
|
443 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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changeset
|
444 int th_fprintf(FILE *fh, const char *fmt, ...) |
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Initial work on printf() style function family implementation.
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|
445 { |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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|
446 int ret; |
251
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changeset
|
447 #ifdef TH_USE_INTERNAL_SPRINTF |
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More work on printing functions.
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|
448 th_printf_ctx ctx; |
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More work on printing functions.
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250
diff
changeset
|
449 #endif |
228
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Initial work on printf() style function family implementation.
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changeset
|
450 va_list ap; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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changeset
|
451 va_start(ap, fmt); |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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changeset
|
452 #ifdef TH_USE_INTERNAL_SPRINTF |
251
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More work on printing functions.
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changeset
|
453 ctx.data = (void *) fh; |
7b76108248e9
More work on printing functions.
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changeset
|
454 ctx.pos = 0; |
281
0c70dcfb6796
Remember to initialize th_printf_ctx.ipos to 0!
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parents:
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changeset
|
455 ctx.ipos = 0; |
0c70dcfb6796
Remember to initialize th_printf_ctx.ipos to 0!
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|
456 |
252 | 457 ret = th_vprintf_do(&ctx, th_stdio_vputch, fmt, ap); |
228
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Initial work on printf() style function family implementation.
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|
458 #else |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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|
459 ret = fprintf(fh, fmt, ap); |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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|
460 #endif |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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|
461 va_end(ap); |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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|
462 return ret; |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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224
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changeset
|
463 } |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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224
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changeset
|
464 |
ca9cd98dbcff
Initial work on printf() style function family implementation.
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changeset
|
465 |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
466 /* Simulate a sprintf() that allocates memory |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
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10
diff
changeset
|
467 */ |
43 | 468 char *th_strdup_vprintf(const char *fmt, va_list args) |
0
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Initial import into Mercurial repository. Discarding old cvs/svn history
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changeset
|
469 { |
133 | 470 int size = 64; |
471 char *buf, *tmp; | |
0
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parents:
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changeset
|
472 |
260 | 473 if (fmt == NULL) |
474 return NULL; | |
475 | |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
476 if ((buf = th_malloc(size)) == NULL) |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
477 return NULL; |
44 | 478 |
39 | 479 while (1) |
480 { | |
37
3986b139bbbd
Fix th_strdup_vprintf(), another misuse of va_list without making a copy of it... :(
Matti Hamalainen <ccr@tnsp.org>
parents:
36
diff
changeset
|
481 int n; |
3986b139bbbd
Fix th_strdup_vprintf(), another misuse of va_list without making a copy of it... :(
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parents:
36
diff
changeset
|
482 va_list ap; |
3986b139bbbd
Fix th_strdup_vprintf(), another misuse of va_list without making a copy of it... :(
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parents:
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diff
changeset
|
483 va_copy(ap, args); |
228
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|
484 #ifdef TH_USE_INTERNAL_SPRINTF |
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Initial work on printf() style function family implementation.
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|
485 n = th_vsnprintf(buf, size, fmt, ap); |
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Initial work on printf() style function family implementation.
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|
486 #else |
37
3986b139bbbd
Fix th_strdup_vprintf(), another misuse of va_list without making a copy of it... :(
Matti Hamalainen <ccr@tnsp.org>
parents:
36
diff
changeset
|
487 n = vsnprintf(buf, size, fmt, ap); |
228
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Initial work on printf() style function family implementation.
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224
diff
changeset
|
488 #endif |
37
3986b139bbbd
Fix th_strdup_vprintf(), another misuse of va_list without making a copy of it... :(
Matti Hamalainen <ccr@tnsp.org>
parents:
36
diff
changeset
|
489 va_end(ap); |
3986b139bbbd
Fix th_strdup_vprintf(), another misuse of va_list without making a copy of it... :(
Matti Hamalainen <ccr@tnsp.org>
parents:
36
diff
changeset
|
490 |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
491 if (n > -1 && n < size) |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
492 return buf; |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
493 if (n > -1) |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
494 size = n + 1; |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
495 else |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
496 size *= 2; |
37
3986b139bbbd
Fix th_strdup_vprintf(), another misuse of va_list without making a copy of it... :(
Matti Hamalainen <ccr@tnsp.org>
parents:
36
diff
changeset
|
497 |
133 | 498 if ((tmp = th_realloc(buf, size)) == NULL) |
499 { | |
500 th_free(buf); | |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
501 return NULL; |
133 | 502 } |
503 else | |
504 buf = tmp; | |
10 | 505 } |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
506 } |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
507 |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
508 |
43 | 509 char *th_strdup_printf(const char *fmt, ...) |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
510 { |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
511 char *res; |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
512 va_list ap; |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
513 |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
514 va_start(ap, fmt); |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
515 res = th_strdup_vprintf(fmt, ap); |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
516 va_end(ap); |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
517 |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
518 return res; |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
519 } |
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
520 |
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
521 |
30
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
522 void th_pstr_vprintf(char **buf, const char *fmt, va_list ap) |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
523 { |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
524 char *tmp = th_strdup_vprintf(fmt, ap); |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
525 th_free(*buf); |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
526 *buf = tmp; |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
527 } |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
528 |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
529 |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
530 void th_pstr_printf(char **buf, const char *fmt, ...) |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
531 { |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
532 char *tmp; |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
533 va_list ap; |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
534 |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
535 va_start(ap, fmt); |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
536 tmp = th_strdup_vprintf(fmt, ap); |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
537 va_end(ap); |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
538 |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
539 th_free(*buf); |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
540 *buf = tmp; |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
541 } |
10d2dc143e4b
Add helper functions th_pstr_vprintf() and th_pstr_printf().
Matti Hamalainen <ccr@tnsp.org>
parents:
29
diff
changeset
|
542 |
88 | 543 |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
544 /* Compare two strings ignoring case [strcasecmp, strncasecmp] |
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
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parents:
diff
changeset
|
545 */ |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
546 int th_strcasecmp(const char *haystack, const char *needle) |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
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parents:
diff
changeset
|
547 { |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
548 const char *s1 = haystack, *s2 = needle; |
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
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parents:
175
diff
changeset
|
549 assert(haystack != NULL); |
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
550 assert(needle != NULL); |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
551 |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
552 if (haystack == needle) |
10 | 553 return 0; |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
554 |
262
e459a28ee1be
Found some nasty bugs hiding in th_str{n}casecmp() functions via unit tests. Fixed.
Matti Hamalainen <ccr@tnsp.org>
parents:
260
diff
changeset
|
555 while (*s1 && *s2) |
39 | 556 { |
262
e459a28ee1be
Found some nasty bugs hiding in th_str{n}casecmp() functions via unit tests. Fixed.
Matti Hamalainen <ccr@tnsp.org>
parents:
260
diff
changeset
|
557 int k = th_tolower(*s1) - th_tolower(*s2); |
e459a28ee1be
Found some nasty bugs hiding in th_str{n}casecmp() functions via unit tests. Fixed.
Matti Hamalainen <ccr@tnsp.org>
parents:
260
diff
changeset
|
558 if (k != 0) |
283 | 559 return k; |
10 | 560 s1++; |
561 s2++; | |
562 } | |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
563 |
262
e459a28ee1be
Found some nasty bugs hiding in th_str{n}casecmp() functions via unit tests. Fixed.
Matti Hamalainen <ccr@tnsp.org>
parents:
260
diff
changeset
|
564 return 0; |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
565 } |
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
566 |
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
567 |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
568 int th_strncasecmp(const char *haystack, const char *needle, size_t n) |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
569 { |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
570 const char *s1 = haystack, *s2 = needle; |
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
571 assert(haystack != NULL); |
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
572 assert(needle != NULL); |
0
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573 |
186
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574 if (haystack == needle) |
10 | 575 return 0; |
0
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576 |
262
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Found some nasty bugs hiding in th_str{n}casecmp() functions via unit tests. Fixed.
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577 while (n > 0 && *s1 && *s2) |
39 | 578 { |
262
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579 int k = th_tolower(*s1) - th_tolower(*s2); |
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580 if (k != 0) |
283 | 581 return k; |
10 | 582 s1++; |
583 s2++; | |
584 n--; | |
585 } | |
0
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586 |
262
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587 return 0; |
0
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588 } |
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589 |
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590 |
89
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591 /* Check if end of the given string str matches needle |
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592 * case-insensitively, return pointer to start of the match, |
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593 * if found, NULL otherwise. |
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594 */ |
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595 char *th_strrcasecmp(char *str, const char *needle) |
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596 { |
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597 if (str == NULL || needle == NULL) |
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598 return NULL; |
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599 |
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600 const size_t |
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601 slen = strlen(str), |
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602 nlen = strlen(needle); |
228
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Initial work on printf() style function family implementation.
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603 |
89
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604 if (slen < nlen) |
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605 return NULL; |
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606 |
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607 if (th_strcasecmp(str - nlen - 1, needle) == 0) |
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608 return str - nlen - 1; |
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609 else |
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610 return NULL; |
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611 } |
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|
612 |
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613 |
0
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614 /* Remove all occurences of control characters, in-place. |
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615 * Resulting string is always shorter or same length than original. |
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616 */ |
43 | 617 void th_strip_ctrlchars(char *str) |
0
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618 { |
10 | 619 char *i, *j; |
620 assert(str != NULL); | |
0
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621 |
10 | 622 i = str; |
623 j = str; | |
39 | 624 while (*i) |
625 { | |
10 | 626 if (!th_iscntrl(*i)) |
627 *(j++) = *i; | |
628 i++; | |
629 } | |
0
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630 |
10 | 631 *j = 0; |
0
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632 } |
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633 |
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634 |
186
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635 /* Copy a given string over in *pdst. |
0
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636 */ |
186
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637 int th_pstrcpy(char **pdst, const char *src) |
0
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638 { |
186
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639 assert(pdst != NULL); |
0
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640 |
186
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641 if (src == NULL) |
10 | 642 return -1; |
0
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643 |
186
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644 th_free(*pdst); |
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645 if ((*pdst = th_malloc(strlen(src) + 1)) == NULL) |
10 | 646 return -2; |
0
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647 |
186
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648 strcpy(*pdst, src); |
10 | 649 return 0; |
0
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650 } |
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651 |
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652 |
186
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653 /* Concatenates a given string into string pointed by *pdst. |
0
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654 */ |
186
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655 int th_pstrcat(char **pdst, const char *src) |
0
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656 { |
186
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657 assert(pdst != NULL); |
0
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658 |
186
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659 if (src == NULL) |
10 | 660 return -1; |
0
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661 |
186
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662 if (*pdst != NULL) |
39 | 663 { |
186
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664 *pdst = th_realloc(*pdst, strlen(*pdst) + strlen(src) + 1); |
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665 if (*pdst == NULL) |
10 | 666 return -1; |
0
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667 |
186
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668 strcat(*pdst, src); |
39 | 669 } |
670 else | |
671 { | |
186
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672 *pdst = th_malloc(strlen(src) + 1); |
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673 if (*pdst == NULL) |
10 | 674 return -1; |
0
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675 |
186
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676 strcpy(*pdst, src); |
10 | 677 } |
0
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678 |
10 | 679 return 0; |
0
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680 } |
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681 |
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682 |
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683 /* Find next non-whitespace character in string. |
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684 * Updates iPos into the position of such character and |
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685 * returns pointer to the string. |
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686 */ |
43 | 687 const char *th_findnext(const char *str, size_t *pos) |
0
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688 { |
10 | 689 assert(str != NULL); |
0
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690 |
129 | 691 // Terminating NULL-character is not whitespace! |
14
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|
692 while (th_isspace(str[*pos])) |
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diff
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|
693 (*pos)++; |
39 | 694 |
14
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|
695 return &str[*pos]; |
0
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696 } |
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|
697 |
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|
698 |
14
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Various cleanups, additions and removals.
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diff
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|
699 /* Find next sep-character from string |
0
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700 */ |
43 | 701 const char *th_findsep(const char *str, size_t *pos, char sep) |
0
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702 { |
10 | 703 assert(str != NULL); |
0
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|
704 |
14
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diff
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|
705 while (str[*pos] && str[*pos] != sep) |
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|
706 (*pos)++; |
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|
707 |
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|
708 return &str[*pos]; |
0
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709 } |
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|
710 |
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|
711 |
14
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diff
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|
712 /* Find next sep- or whitespace from string |
0
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713 */ |
43 | 714 const char *th_findseporspace(const char *str, size_t *pos, char sep) |
0
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|
715 { |
10 | 716 assert(str != NULL); |
0
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|
717 |
14
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|
718 while (!th_isspace(str[*pos]) && str[*pos] != sep) |
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diff
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|
719 (*pos)++; |
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diff
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|
720 |
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|
721 return &str[*pos]; |
0
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722 } |
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|
723 |
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|
724 |
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|
725 /* Compare a string to a pattern. Case-SENSITIVE version. |
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parents:
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|
726 * The matching pattern can consist of any normal characters plus |
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parents:
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|
727 * wildcards ? and *. "?" matches any character and "*" matches |
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parents:
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|
728 * any number of characters. |
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|
729 */ |
186
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730 BOOL th_strmatch(const char *haystack, const char *pattern) |
0
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parents:
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|
731 { |
175 | 732 BOOL matched = TRUE, any = FALSE, end = FALSE; |
733 const char *tmp = NULL; | |
0
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|
734 |
129 | 735 // Check given pattern and string |
186
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|
736 if (haystack == NULL || pattern == NULL) |
10 | 737 return FALSE; |
0
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|
738 |
129 | 739 // Start comparision |
10 | 740 do { |
175 | 741 matched = FALSE; |
39 | 742 switch (*pattern) |
743 { | |
10 | 744 case '?': |
129 | 745 // Any single character matches |
186
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|
746 if (*haystack) |
39 | 747 { |
175 | 748 matched = TRUE; |
10 | 749 pattern++; |
186
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|
750 haystack++; |
10 | 751 } |
752 break; | |
0
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
753 |
10 | 754 case '*': |
175 | 755 matched = TRUE; |
10 | 756 pattern++; |
757 if (!*pattern) | |
175 | 758 end = TRUE; |
759 any = TRUE; | |
760 tmp = pattern; | |
10 | 761 break; |
0
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|
762 |
10 | 763 case 0: |
175 | 764 if (any) |
39 | 765 { |
186
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Clean up the code, add argument identifiers to function prototypes and
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|
766 if (*haystack) |
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175
diff
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|
767 haystack++; |
10 | 768 else |
175 | 769 end = TRUE; |
39 | 770 } |
771 else | |
772 { | |
186
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Clean up the code, add argument identifiers to function prototypes and
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|
773 if (*haystack) |
39 | 774 { |
175 | 775 if (tmp) |
39 | 776 { |
175 | 777 any = TRUE; |
778 pattern = tmp; | |
39 | 779 } |
780 else | |
175 | 781 matched = FALSE; |
44 | 782 } |
783 else | |
175 | 784 end = TRUE; |
10 | 785 } |
786 break; | |
175 | 787 |
10 | 788 default: |
175 | 789 if (any) |
39 | 790 { |
186
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Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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175
diff
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|
791 if (*pattern == *haystack) |
39 | 792 { |
175 | 793 any = FALSE; |
794 matched = TRUE; | |
39 | 795 } |
796 else | |
797 { | |
186
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Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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|
798 if (*haystack) |
39 | 799 { |
175 | 800 matched = TRUE; |
186
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Clean up the code, add argument identifiers to function prototypes and
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diff
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|
801 haystack++; |
10 | 802 } |
803 } | |
39 | 804 } |
805 else | |
806 { | |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
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diff
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|
807 if (*pattern == *haystack) |
39 | 808 { |
175 | 809 matched = TRUE; |
10 | 810 if (*pattern) |
811 pattern++; | |
186
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Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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|
812 if (*haystack) |
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Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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175
diff
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|
813 haystack++; |
39 | 814 } |
815 else | |
816 { | |
175 | 817 if (tmp) |
39 | 818 { |
175 | 819 matched = TRUE; |
820 any = TRUE; | |
821 pattern = tmp; | |
10 | 822 } |
823 } | |
824 } | |
0
bd61a80a6c54
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Matti Hamalainen <ccr@tnsp.org>
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|
825 |
186
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Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
826 if (!*haystack && !*pattern) |
175 | 827 end = TRUE; |
10 | 828 break; |
0
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parents:
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|
829 |
129 | 830 } // switch |
175 | 831 } while (matched && !end); |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
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|
832 |
175 | 833 return matched; |
0
bd61a80a6c54
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|
834 } |
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|
835 |
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parents:
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changeset
|
836 |
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parents:
diff
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|
837 /* Compare a string to a pattern. Case-INSENSITIVE version. |
bd61a80a6c54
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|
838 */ |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
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|
839 BOOL th_strcasematch(const char *haystack, const char *pattern) |
0
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|
840 { |
175 | 841 BOOL matched = TRUE, any = FALSE, end = FALSE; |
842 const char *tmp = NULL; | |
0
bd61a80a6c54
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|
843 |
129 | 844 // Check given pattern and string |
186
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Clean up the code, add argument identifiers to function prototypes and
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diff
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|
845 if (haystack == NULL || pattern == NULL) |
10 | 846 return FALSE; |
0
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Matti Hamalainen <ccr@tnsp.org>
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changeset
|
847 |
129 | 848 // Start comparision |
10 | 849 do { |
850 switch (*pattern) { | |
851 case '?': | |
129 | 852 // Any single character matches |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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175
diff
changeset
|
853 if (*haystack) |
39 | 854 { |
10 | 855 pattern++; |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
856 haystack++; |
44 | 857 } |
858 else | |
175 | 859 matched = FALSE; |
10 | 860 break; |
0
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
861 |
10 | 862 case '*': |
863 pattern++; | |
864 if (!*pattern || *pattern == '?') | |
175 | 865 end = TRUE; |
866 any = TRUE; | |
867 tmp = pattern; | |
10 | 868 break; |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
869 |
10 | 870 case 0: |
175 | 871 if (any) |
39 | 872 { |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
873 if (*haystack) |
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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175
diff
changeset
|
874 haystack++; |
10 | 875 else |
175 | 876 end = TRUE; |
39 | 877 } |
878 else | |
879 { | |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
880 if (*haystack) |
39 | 881 { |
175 | 882 if (tmp) |
39 | 883 { |
175 | 884 any = TRUE; |
885 pattern = tmp; | |
39 | 886 } |
887 else | |
175 | 888 matched = FALSE; |
44 | 889 } |
890 else | |
175 | 891 end = TRUE; |
10 | 892 } |
893 break; | |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
894 |
10 | 895 default: |
175 | 896 if (any) |
39 | 897 { |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
898 if (th_tolower(*pattern) == th_tolower(*haystack)) |
39 | 899 { |
175 | 900 any = FALSE; |
39 | 901 } |
902 else | |
903 { | |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
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|
904 if (*haystack) |
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
905 haystack++; |
10 | 906 else |
175 | 907 matched = FALSE; |
10 | 908 } |
39 | 909 } |
910 else | |
911 { | |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
912 if (th_tolower(*pattern) == th_tolower(*haystack)) |
39 | 913 { |
10 | 914 if (*pattern) |
915 pattern++; | |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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175
diff
changeset
|
916 if (*haystack) |
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
parents:
175
diff
changeset
|
917 haystack++; |
39 | 918 } |
919 else | |
920 { | |
175 | 921 if (tmp) |
39 | 922 { |
175 | 923 any = TRUE; |
924 pattern = tmp; | |
39 | 925 } |
926 else | |
175 | 927 matched = FALSE; |
10 | 928 } |
929 } | |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
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parents:
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|
930 |
186
1ee46a95aa8c
Clean up the code, add argument identifiers to function prototypes and
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
931 if (!*haystack && !*pattern) |
175 | 932 end = TRUE; |
39 | 933 |
10 | 934 break; |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
935 |
129 | 936 } // switch |
175 | 937 } while (matched && !end); |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
938 |
175 | 939 return matched; |
0
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
940 } |
bd61a80a6c54
Initial import into Mercurial repository. Discarding old cvs/svn history
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
941 |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
942 |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
943 int th_get_hex_triplet(const char *str) |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
944 { |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
945 const char *p = str; |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
946 int len, val = 0; |
44 | 947 |
39 | 948 for (len = 0; *p && len < 6; p++, len++) |
949 { | |
950 if (*p >= '0' && *p <= '9') | |
951 { | |
952 val *= 16; | |
953 val += (*p - '0'); | |
954 } | |
174 | 955 else |
956 if (*p >= 'A' && *p <= 'F') | |
39 | 957 { |
958 val *= 16; | |
959 val += (*p - 'A') + 10; | |
960 } | |
174 | 961 else |
962 if (*p >= 'a' && *p <= 'f') | |
39 | 963 { |
964 val *= 16; | |
965 val += (*p - 'a') + 10; | |
966 } | |
967 else | |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
968 return -1; |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
969 } |
44 | 970 |
14
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
971 return (len == 6) ? val : -1; |
e5e6370217ef
Various cleanups, additions and removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
972 } |
162
578d9298cc1e
Actually, move th_print_wrap() to th_string module.
Matti Hamalainen <ccr@tnsp.org>
parents:
144
diff
changeset
|
973 |
578d9298cc1e
Actually, move th_print_wrap() to th_string module.
Matti Hamalainen <ccr@tnsp.org>
parents:
144
diff
changeset
|
974 |
167
7638fa9d191f
Add th_get_boolean() function.
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parents:
162
diff
changeset
|
975 BOOL th_get_boolean(const char *str, BOOL *value) |
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Add th_get_boolean() function.
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parents:
162
diff
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|
976 { |
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Add th_get_boolean() function.
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parents:
162
diff
changeset
|
977 if (!th_strcasecmp(str, "yes") || |
169
a06a87b771ce
Add on/off to valid boolean values.
Matti Hamalainen <ccr@tnsp.org>
parents:
167
diff
changeset
|
978 !th_strcasecmp(str, "on") || |
167
7638fa9d191f
Add th_get_boolean() function.
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162
diff
changeset
|
979 !th_strcasecmp(str, "true") || |
7638fa9d191f
Add th_get_boolean() function.
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162
diff
changeset
|
980 !th_strcasecmp(str, "1")) |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
981 { |
7638fa9d191f
Add th_get_boolean() function.
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parents:
162
diff
changeset
|
982 *value = TRUE; |
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Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
983 return TRUE; |
7638fa9d191f
Add th_get_boolean() function.
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parents:
162
diff
changeset
|
984 } |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
985 else |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
986 if (!th_strcasecmp(str, "no") || |
169
a06a87b771ce
Add on/off to valid boolean values.
Matti Hamalainen <ccr@tnsp.org>
parents:
167
diff
changeset
|
987 !th_strcasecmp(str, "off") || |
167
7638fa9d191f
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diff
changeset
|
988 !th_strcasecmp(str, "false") || |
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Add th_get_boolean() function.
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162
diff
changeset
|
989 !th_strcasecmp(str, "0")) |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
990 { |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
991 *value = FALSE; |
7638fa9d191f
Add th_get_boolean() function.
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parents:
162
diff
changeset
|
992 return TRUE; |
7638fa9d191f
Add th_get_boolean() function.
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parents:
162
diff
changeset
|
993 } |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
994 else |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
995 return FALSE; |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
996 } |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
997 |
7638fa9d191f
Add th_get_boolean() function.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
998 |
162
578d9298cc1e
Actually, move th_print_wrap() to th_string module.
Matti Hamalainen <ccr@tnsp.org>
parents:
144
diff
changeset
|
999 static void th_pad(FILE *outFile, int count) |
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Actually, move th_print_wrap() to th_string module.
Matti Hamalainen <ccr@tnsp.org>
parents:
144
diff
changeset
|
1000 { |
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Actually, move th_print_wrap() to th_string module.
Matti Hamalainen <ccr@tnsp.org>
parents:
144
diff
changeset
|
1001 while (count--) |
578d9298cc1e
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1002 fputc(' ', outFile); |
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1003 } |
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1004 |
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1005 |
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1006 void th_print_wrap(FILE *fh, const char *str, int spad, int rpad, int width) |
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1007 { |
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1008 size_t pos = 0; |
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1009 BOOL first = TRUE; |
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1010 |
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1011 while (str[pos]) |
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1012 { |
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1013 // Pre-pad line |
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1014 int linelen = first ? spad : rpad; |
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1015 th_pad(fh, first ? 0 : rpad); |
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1016 first = FALSE; |
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1017 |
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1018 // Skip whitespace at line start |
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1019 while (th_isspace(str[pos]) || str[pos] == '\n') pos++; |
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1020 |
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1021 // Handle each word |
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1022 while (str[pos] && str[pos] != '\n') |
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1023 { |
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1024 size_t next; |
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1025 int wlen; |
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1026 |
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1027 // Find word length and next break |
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1028 for (wlen = 0, next = pos; str[next] && !th_isspace(str[next]) && str[next] != '\n'; next++, wlen++); |
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1029 |
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1030 // Check if we have too much of text? |
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1031 if (linelen + wlen >= width) |
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1032 break; |
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1033 |
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1034 // Print what we have |
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1035 for (;pos < next; pos++, linelen++) |
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1036 fputc(str[pos], fh); |
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1037 |
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1038 // Check if we are at end of input or hard linefeed |
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1039 if (str[next] == '\n' || str[next] == 0) |
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1040 break; |
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1041 else |
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1042 { |
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1043 fputc(str[pos], fh); |
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1044 pos++; |
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1045 linelen++; |
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1046 } |
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1047 } |
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1048 fprintf(fh, "\n"); |
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1049 } |
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1050 } |