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annotate th_printf.c @ 547:c21051972015

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Add int *prec and change int flags to int *flags in th_vprintf_altfmt_func function arguments.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 31 Dec 2019 05:22:15 +0200
parents edfe8ac12408
children 41efdd004c3a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * A printf() implementation
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2016-2019 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
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9
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10 #ifdef TH_PRINTF_DEBUG
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11 BOOL th_printf_debug = FALSE;
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12 char *th_printf_debug_prefix = NULL;
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13
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14
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15 static void pflag(char *buf, const char *str, const int sep, const int flags, const int flg)
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16 {
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17 strcat(buf, (flags & flg) ? str : " ");
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18 if (sep)
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19 strcat(buf, "|");
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20 }
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21
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22
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23 static const char *get_flags(const int flags)
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24 {
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25 static char buf[256];
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26
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27 buf[0] = 0;
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28
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29 pflag(buf, "ALT", 1, flags, TH_PF_ALT);
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30 pflag(buf, "SGN", 1, flags, TH_PF_SIGN);
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31 pflag(buf, "SPC", 1, flags, TH_PF_SPACE);
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32 pflag(buf, "GRP", 1, flags, TH_PF_GROUP);
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33 pflag(buf, "ZER", 1, flags, TH_PF_ZERO);
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34 pflag(buf, "LFT", 0, flags, TH_PF_LEFT);
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35
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36 return buf;
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37 }
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38
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39 #define PP_LINE(...) \
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40 do { \
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41 if (th_printf_debug) { \
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42 if (th_printf_debug_prefix != NULL) \
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43 fputs(th_printf_debug_prefix, stdout); \
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44 fprintf(stdout, __VA_ARGS__); \
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45 } \
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46 } while (0)
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47
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48 #define PP_PRINTF(...) \
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49 do { \
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50 if (th_printf_debug) { \
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51 fprintf(stdout, __VA_ARGS__); \
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52 } \
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53 } while (0)
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54
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55 #else
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56 #define PP_LINE(...) /* stub */
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57 #define PP_PRINTF(...) /* stub */
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58 #endif
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59
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60
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61 static int th_vprintf_put_pstr(th_vprintf_ctx *ctx, th_vprintf_putch vputch, const char *str)
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62 {
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63 while (*str)
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64 {
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65 int ret;
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66 if ((ret = vputch(ctx, *str++)) == EOF)
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67 return ret;
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68 }
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69 return 0;
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70 }
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71
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72
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73 static int th_vprintf_put_repch(th_vprintf_ctx *ctx, th_vprintf_putch vputch, int count, const char ch)
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74 {
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75 while (count-- > 0)
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76 {
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77 int ret;
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78 if ((ret = vputch(ctx, ch)) == EOF)
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79 return ret;
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80 }
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81 return 0;
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82 }
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83
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84
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85 static int th_printf_pad_pre(th_vprintf_ctx *ctx, th_vprintf_putch vputch,
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86 int f_width, const int f_flags)
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87 {
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88 if (f_width > 0 && (f_flags & TH_PF_LEFT) == 0)
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89 return th_vprintf_put_repch(ctx, vputch, f_width, ' ');
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90 else
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91 return 0;
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92 }
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93
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94
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95 static int th_printf_pad_post(th_vprintf_ctx *ctx, th_vprintf_putch vputch,
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96 int f_width, const int f_flags)
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97 {
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98 if (f_width > 0 && (f_flags & TH_PF_LEFT))
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99 return th_vprintf_put_repch(ctx, vputch, f_width, ' ');
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100 else
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101 return 0;
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102 }
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103
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104
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105 #define TH_PFUNC_NAME th_vprintf_buf_int
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106 #define TH_PFUNC_TYPE_S int
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107 #define TH_PFUNC_TYPE_U unsigned int
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108 #include "th_printf1.c"
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109
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110
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111 #define TH_PFUNC_NAME th_vprintf_buf_int64
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112 #define TH_PFUNC_TYPE_S int64_t
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113 #define TH_PFUNC_TYPE_U uint64_t
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114 #include "th_printf1.c"
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115
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116
546
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117 TH_VPRINTF_ALTFMT_FUNC(th_vprintf_altfmt_oct)
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118 {
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119 (void) vret;
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120 (void) flags;
547
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121 (void) prec;
541
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Matti Hamalainen <ccr@tnsp.org>
parents: 539
diff changeset
122
542
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diff changeset
123 return (buf[len - 1] != '0') ? "0" : NULL;
531
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124 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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125
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
diff changeset
126
546
edfe8ac12408 Add function typedef th_vprintf_altfmt_func and #define
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diff changeset
127 TH_VPRINTF_ALTFMT_FUNC(th_vprintf_altfmt_hex)
531
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128 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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129 (void) buf;
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130 (void) len;
547
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131 (void) prec;
536
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132
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133 if (vret != 0)
547
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134 return (*flags & TH_PF_UPCASE) ? "0X" : "0x";
531
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135 else
542
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136 return NULL;
531
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137 }
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138
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139
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140 int th_vprintf_put_int_format(th_vprintf_ctx *ctx, th_vprintf_putch vputch,
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141 char *buf, int f_flags, int f_width, int f_prec, int f_len, int vret,
546
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142 BOOL f_neg, BOOL f_unsig, th_vprintf_altfmt_func f_alt)
531
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143 {
535
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144 int ret = 0, nspacepad, nzeropad;
531
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145 char f_sign, *f_altstr;
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146
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147 // Special case for value of 0
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148 if (vret == 0)
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149 {
545
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150 // For NULL pointers, use "(nil)"
531
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151 if (f_flags & TH_PF_POINTER)
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152 {
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153 strcpy(buf, ")lin(");
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154 f_len = 5;
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155 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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156 else
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157 if (f_prec != 0)
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158 {
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159 buf[f_len++] = '0';
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160 buf[f_len] = 0;
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161 }
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162 }
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163
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164 // Get alternative format string, if needed and available
535
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165 f_altstr = (f_flags & TH_PF_ALT) && f_alt != NULL ?
547
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166 f_alt(buf, f_len, vret, &f_prec, &f_flags) : NULL;
531
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167
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168 // Are we using a sign prefix?
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169 f_sign = f_unsig ? 0 : ((f_flags & TH_PF_SIGN) ?
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170 (f_neg ? '-' : '+') :
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171 (f_neg ? '-' : ((f_flags & TH_PF_SPACE) ? ' ' : 0)));
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172
535
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173 // Check for left padding, negates zero prefix padding
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diff changeset
174 if (f_flags & TH_PF_LEFT)
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175 f_flags &= ~TH_PF_ZERO;
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176
545
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177
531
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178 // Calculate necessary padding, etc
545
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179 //
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180 // XXX TODO FIXME: The logic here is not very elegant
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181 // and would benefit from commenting on how it works.
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182 // Also same goes for the th_vprintf_altfmt_* logic.
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diff changeset
183 //
536
173609d71821 Cosmetics.
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diff changeset
184 int nlen = (f_sign ? 1 : 0) + (f_altstr != NULL ? strlen(f_altstr) : 0);
531
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185 int qlen = (f_prec > f_len ? f_prec : f_len) + nlen;
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186
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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187 if (f_flags & TH_PF_POINTER && vret == 0)
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188 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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189 PP_LINE("^");
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190 qlen = f_len + nlen;
535
ab23d3b3e749 Change few variable names to be more descriptive.
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diff changeset
191 nspacepad = f_width > qlen ? f_width - qlen : 0;
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diff changeset
192 nzeropad = 0;
531
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193 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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194 else
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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195 if ((f_flags & TH_PF_ZERO) && f_prec < 0 && f_width > 0)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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196 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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197 PP_LINE("#");
535
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diff changeset
198 nzeropad = f_width - qlen;
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diff changeset
199 nspacepad = 0;
531
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200 }
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parents:
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201 else
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
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202 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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203 PP_LINE("$");
535
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diff changeset
204 nzeropad = (f_prec >= 0) ? f_prec - f_len : 0;
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205 nspacepad = (f_width >= 0) ? f_width - qlen : 0;
531
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206 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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207
535
ab23d3b3e749 Change few variable names to be more descriptive.
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diff changeset
208 PP_PRINTF(": vret=%3d, f_flags=[%s], f_unsig=%d, f_sign='%c', f_len=%3d, f_width=%3d, f_prec=%3d, nspacepad=%3d, nzeropad=%3d, qlen=%3d\n",
ab23d3b3e749 Change few variable names to be more descriptive.
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diff changeset
209 vret, get_flags(f_flags), f_unsig, f_sign ? f_sign : '?', f_len, f_width, f_prec, nspacepad, nzeropad, qlen);
531
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210
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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211
535
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diff changeset
212 // Do prefix padding, if any
ab23d3b3e749 Change few variable names to be more descriptive.
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diff changeset
213 if ((ret = th_printf_pad_pre(ctx, vputch, nspacepad, f_flags)) == EOF)
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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214 return ret;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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215
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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216 // Sign prefix
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diff changeset
217 if (f_sign && (ret = vputch(ctx, f_sign)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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diff changeset
218 return ret;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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diff changeset
219
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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diff changeset
220 // Alternative format string
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
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diff changeset
221 if (f_altstr && (ret = th_vprintf_put_pstr(ctx, vputch, f_altstr)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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diff changeset
222 return ret;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
diff changeset
223
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
diff changeset
224 // Zero padding
535
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parents: 533
diff changeset
225 if (nzeropad > 0 && (ret = th_vprintf_put_repch(ctx, vputch, nzeropad, '0')) == EOF)
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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226 return ret;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
diff changeset
227
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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diff changeset
228 // Output the value
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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diff changeset
229 while (f_len-- > 0)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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diff changeset
230 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
diff changeset
231 if ((ret = vputch(ctx, buf[f_len])) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
diff changeset
232 return ret;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
diff changeset
233 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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diff changeset
234
535
ab23d3b3e749 Change few variable names to be more descriptive.
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diff changeset
235 // Do postfix padding, if any
ab23d3b3e749 Change few variable names to be more descriptive.
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parents: 533
diff changeset
236 return th_printf_pad_post(ctx, vputch, nspacepad, f_flags);
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
diff changeset
237 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
238
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
239
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
240 int th_vprintf_put_int(th_vprintf_ctx *ctx, th_vprintf_putch vputch,
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
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parents:
diff changeset
241 va_list ap, const int f_radix, int f_flags, int f_width, int f_prec,
546
edfe8ac12408 Add function typedef th_vprintf_altfmt_func and #define
Matti Hamalainen <ccr@tnsp.org>
parents: 545
diff changeset
242 const BOOL f_unsig, th_vprintf_altfmt_func f_alt)
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
243 {
539
7615dbdc4d34 The buffer used for th_vprintf_put_int() was about twice as large as required. Make it smaller.
Matti Hamalainen <ccr@tnsp.org>
parents: 536
diff changeset
244 char buf[32];
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
245 int f_len = 0, vret;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
246 BOOL f_neg = FALSE;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
247
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
248 if (f_flags & TH_PF_LONGLONG)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
249 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
250 vret = th_vprintf_buf_int64(buf, sizeof(buf), &f_len, va_arg(ap, int64_t),
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
251 f_radix, f_flags & TH_PF_UPCASE, f_unsig, &f_neg);
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
252 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
253 else
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
254 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
255 vret = th_vprintf_buf_int(buf, sizeof(buf), &f_len, va_arg(ap, unsigned int),
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
256 f_radix, f_flags & TH_PF_UPCASE, f_unsig, &f_neg);
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
257 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
258
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
259 if (vret == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
260 return 0;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
261
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
262 return th_vprintf_put_int_format(ctx, vputch, buf, f_flags, f_width, f_prec, f_len, vret, f_neg, f_unsig, f_alt);
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
263 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
264
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
265
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
266 int th_vprintf_put_str(th_vprintf_ctx *ctx, th_vprintf_putch vputch,
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
267 const char *str, int f_flags, const int f_width, const int f_prec)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
268 {
535
ab23d3b3e749 Change few variable names to be more descriptive.
Matti Hamalainen <ccr@tnsp.org>
parents: 533
diff changeset
269 int nspacepad, f_len, ret = 0;
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
270
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
271 // Check for null strings
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
272 if (str == NULL)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
273 str = "(null)";
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
274
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
275 f_len = strlen(str);
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
276 if (f_prec >= 0 && f_len > f_prec)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
277 f_len = f_prec;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
278
535
ab23d3b3e749 Change few variable names to be more descriptive.
Matti Hamalainen <ccr@tnsp.org>
parents: 533
diff changeset
279 nspacepad = f_width - f_len;
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
280
535
ab23d3b3e749 Change few variable names to be more descriptive.
Matti Hamalainen <ccr@tnsp.org>
parents: 533
diff changeset
281 // Do prefix padding, if any
ab23d3b3e749 Change few variable names to be more descriptive.
Matti Hamalainen <ccr@tnsp.org>
parents: 533
diff changeset
282 if ((ret = th_printf_pad_pre(ctx, vputch, nspacepad, f_flags)) == EOF)
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
283 return ret;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
284
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
285 while (*str && f_len--)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
286 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
287 if ((ret = vputch(ctx, *str++)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
288 return ret;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
289 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
290
535
ab23d3b3e749 Change few variable names to be more descriptive.
Matti Hamalainen <ccr@tnsp.org>
parents: 533
diff changeset
291 // Do postfix padding, if any
ab23d3b3e749 Change few variable names to be more descriptive.
Matti Hamalainen <ccr@tnsp.org>
parents: 533
diff changeset
292 return th_printf_pad_post(ctx, vputch, nspacepad, f_flags);
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
293 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
294
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
295
533
ef0d732fabe0 Disable floating point printf implementation tests as the support is not
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
296 #ifdef TH_WIP_FLOAT_SUPPORT
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
297 int th_vprintf_put_float(th_vprintf_ctx *ctx, th_vprintf_putch vputch,
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
298 va_list ap, int f_flags, int f_width, int f_prec)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
299 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
300 double pval = va_arg(ap, double); // This needs to be double for type promotion to occur
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
301 int64_t val;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
302
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
303 // This is a hack, trying to avoid dereferencing a type-punned
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
304 // pointer and all that stuff related to strict aliasing (although
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
305 // double and int64_t should be same size and have same aliasing rules.)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
306 memcpy(&val, &pval, sizeof(int64_t));
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
307
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
308 // We have sign, exponent and mantissa
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
309 BOOL f_sign = (val >> 63) & 0x01;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
310 int64_t d_exp = (val >> 52) & 0x7ff;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
311 uint64_t d_man = val & 0x0fffffffffffff;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
312
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
313 return 0;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
314 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
315 #endif
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
316
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
317
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
318 int th_vprintf_do(th_vprintf_ctx *ctx, th_vprintf_putch vputch, const char *fmt, va_list ap)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
319 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
320 int ret = 0;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
321
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
322 while (*fmt)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
323 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
324 if (*fmt != '%')
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
325 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
326 if ((ret = vputch(ctx, *fmt)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
327 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
328 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
329 else
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
330 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
331 int f_width = -1, f_prec = -1, f_flags = 0;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
332 BOOL end = FALSE;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
333
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
334 fmt++;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
335
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
336 // Check for flags
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
337 while (!end)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
338 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
339 switch (*fmt)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
340 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
341 case '#':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
342 f_flags |= TH_PF_ALT;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
343 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
344
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
345 case '+':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
346 f_flags |= TH_PF_SIGN;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
347 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
348
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
349 case '0':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
350 f_flags |= TH_PF_ZERO;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
351 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
352
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
353 case '-':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
354 f_flags |= TH_PF_LEFT;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
355 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
356
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
357 case ' ':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
358 f_flags |= TH_PF_SPACE;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
359 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
360
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
361 case '\'':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
362 f_flags |= TH_PF_GROUP;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
363 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
364
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
365 default:
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
366 end = TRUE;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
367 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
368 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
369 if (!end) fmt++;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
370 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
371
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
372 // Get field width
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
373 if (*fmt == '*')
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
374 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
375 fmt++;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
376 f_width = va_arg(ap, int);
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
377 if (f_width < 0)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
378 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
379 f_flags |= TH_PF_LEFT;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
380 f_width = -f_width;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
381 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
382 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
383 else
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
384 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
385 f_width = 0;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
386 while (th_isdigit(*fmt))
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
387 f_width = f_width * 10 + (*fmt++ - '0');
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
388 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
389
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
390 // Check for field precision
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
391 if (*fmt == '.')
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
392 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
393 fmt++;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
394 if (*fmt == '*')
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
395 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
396 fmt++;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
397 f_prec = va_arg(ap, int);
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
398 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
399 else
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
400 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
401 // If no digit after '.', precision is to be 0
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
402 f_prec = 0;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
403 while (th_isdigit(*fmt))
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
404 f_prec = f_prec * 10 + (*fmt++ - '0');
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
405 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
406 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
407
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
408
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
409 // Check for length modifiers (only some are supported currently)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
410 switch (*fmt)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
411 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
412 case 'l':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
413 if (*++fmt == 'l')
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
414 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
415 f_flags |= TH_PF_LONGLONG;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
416 fmt++;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
417 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
418 else
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
419 f_flags |= TH_PF_LONG;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
420 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
421
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
422 case 'L':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
423 fmt++;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
424 f_flags |= TH_PF_LONGLONG;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
425 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
426
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
427 case 'h':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
428 case 'j':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
429 case 'z':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
430 case 't':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
431 return -202;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
432 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
433
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
434 switch (*fmt)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
435 {
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
436 case 0:
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
437 return -104;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
438
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
439 case 'c':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
440 if ((ret = th_printf_pad_pre(ctx, vputch, f_width - 1, f_flags)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
441 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
442 if ((ret = vputch(ctx, va_arg(ap, int))) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
443 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
444 if ((ret = th_printf_pad_post(ctx, vputch, f_width - 1, f_flags)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
445 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
446 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
447
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
448 case 'o':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
449 if ((ret = th_vprintf_put_int(ctx, vputch, ap, 8, f_flags, f_width, f_prec, TRUE, th_vprintf_altfmt_oct)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
450 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
451 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
452
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
453 case 'u':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
454 case 'i':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
455 case 'd':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
456 if ((ret = th_vprintf_put_int(ctx, vputch, ap, 10, f_flags, f_width, f_prec, *fmt == 'u', NULL)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
457 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
458 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
459
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
460 case 'x':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
461 case 'X':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
462 if (*fmt == 'X')
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
463 f_flags |= TH_PF_UPCASE;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
464 if ((ret = th_vprintf_put_int(ctx, vputch, ap, 16, f_flags, f_width, f_prec, TRUE, th_vprintf_altfmt_hex)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
465 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
466 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
467
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
468 case 'p':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
469 if (f_flags & (TH_PF_LONG | TH_PF_LONGLONG))
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
470 return -120;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
471
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
472 #if (TH_PTRSIZE == 32)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
473 f_flags |= TH_PF_LONG;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
474 #elif (TH_PTRSIZE == 64)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
475 f_flags |= TH_PF_LONGLONG;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
476 #endif
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
477 f_flags |= TH_PF_ALT | TH_PF_POINTER;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
478 if ((ret = th_vprintf_put_int(ctx, vputch, ap, 16, f_flags, f_width, f_prec, TRUE, th_vprintf_altfmt_hex)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
479 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
480 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
481
533
ef0d732fabe0 Disable floating point printf implementation tests as the support is not
Matti Hamalainen <ccr@tnsp.org>
parents: 531
diff changeset
482 #ifdef TH_WIP_FLOAT_SUPPORT
531
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
483 case 'f':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
484 case 'F':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
485 if ((ret = th_vprintf_put_float(ctx, vputch, ap,
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
486 f_flags, f_width, f_prec)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
487 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
488 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
489 #endif
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
490
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
491 case 's':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
492 if ((ret = th_vprintf_put_str(ctx, vputch, va_arg(ap, char *),
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
493 f_flags, f_width, f_prec)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
494 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
495 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
496
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
497 //case '%':
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
498 default:
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
499 if ((ret = vputch(ctx, *fmt)) == EOF)
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
500 goto out;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
501 break;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
502 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
503 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
504 fmt++;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
505 }
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
506
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
507 out:
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
508 return ret == EOF ? ret : ctx->ipos;
f43c961cc85d Move bulk of the printf() implementation into a separate file th_printf.c from th_string.c
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
509 }