Mercurial > hg > th-libs
annotate th_string.h @ 682:527a4d29d384
Typofix :S
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Wed, 04 Mar 2020 20:17:39 +0200 |
| parents | 39c82d877251 |
| children | 5a7254b78614 |
| 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 |
| 553 | 4 * (C) Copyright 2002-2020 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 */ |
| 438 | 8 /// @file |
| 9 /// @brief String utility functions | |
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10 #ifndef TH_STRING_H |
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11 #define TH_STRING_H |
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12 |
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13 #include "th_util.h" |
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14 #include <ctype.h> |
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15 |
| 91 | 16 #ifdef __cplusplus |
| 17 extern "C" { | |
| 18 #endif | |
| 19 | |
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20 |
| 438 | 21 /** @def String utility wrapper macros |
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22 */ |
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23 #define th_isalnum(c) isalnum((int)(unsigned char) (c)) |
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24 #define th_isalpha(c) isalpha((int)(unsigned char) (c)) |
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25 #define th_isascii(c) isascii((int)(unsigned char) (c)) |
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26 #define th_isblank(c) isblank((int)(unsigned char) (c)) |
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27 #define th_iscntrl(c) iscntrl((int)(unsigned char) (c)) |
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28 #define th_isdigit(c) isdigit((int)(unsigned char) (c)) |
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29 #define th_isgraph(c) isgraph((int)(unsigned char) (c)) |
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30 #define th_islower(c) islower((int)(unsigned char) (c)) |
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31 #define th_isprint(c) isprint((int)(unsigned char) (c)) |
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32 #define th_ispunct(c) ispunct((int)(unsigned char) (c)) |
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33 #define th_isspace(c) isspace((int)(unsigned char) (c)) |
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34 #define th_isupper(c) isupper((int)(unsigned char) (c)) |
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35 #define th_isxdigit(c) isxdigit((int)(unsigned char) (c)) |
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36 #define th_iscrlf(c) ((c) == '\r' || (c) == '\n') |
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37 |
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38 #define th_tolower(c) tolower((int)(unsigned char) (c)) |
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39 #define th_toupper(c) toupper((int)(unsigned char) (c)) |
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40 |
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41 |
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42 /** @brief |
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43 * String trimming option flags for th_strdup_trim() |
| 438 | 44 */ |
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45 enum |
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46 { |
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47 TH_TRIM_START = 1, ///< Trim whitespace from start of the string |
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48 TH_TRIM_END = 2, ///< Trim whitespace from end of the string |
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49 TH_TRIM_BOTH = 3, ///< Trim whitespace from start and end of the string |
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50 }; |
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51 |
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52 |
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53 typedef struct |
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54 { |
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55 size_t nelems; |
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56 th_char_t **elems; |
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57 } th_strelems_t; |
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58 |
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59 |
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60 /** @brief |
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61 * Internal *printf() implementation flags |
| 438 | 62 */ |
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63 enum |
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64 { |
| 372 | 65 TH_PF_NONE = 0x0000, |
| 66 TH_PF_ALT = 0x0001, | |
| 67 TH_PF_SIGN = 0x0002, | |
| 68 TH_PF_SPACE = 0x0004, | |
| 69 TH_PF_GROUP = 0x0008, | |
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70 |
| 372 | 71 TH_PF_ZERO = 0x0100, |
| 72 TH_PF_LEFT = 0x0200, | |
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73 |
| 372 | 74 TH_PF_LONG = 0x1000, |
| 75 TH_PF_LONGLONG = 0x2000, | |
| 76 TH_PF_POINTER = 0x4000, | |
| 77 TH_PF_UPCASE = 0x8000, | |
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78 }; |
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79 |
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80 |
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81 /** @struct th_vprintf_ctx |
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82 * Internal printf() implementation context structure, contains state information |
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83 * used by the printf() code for "output" purposes. |
| 438 | 84 */ |
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85 typedef struct |
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86 { |
| 663 | 87 th_char_t *buf; ///< Resulting string buffer pointer (might not be used if printing to file or such) |
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88 size_t size; ///< Size of result string buffer |
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89 size_t pos; ///< Current position in the buffer |
| 438 | 90 int ipos; ///< Signed position |
| 439 | 91 void *data; ///< Pointer to other data (for example a FILE pointer) |
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92 } th_vprintf_ctx; |
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93 |
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94 |
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95 /** @brief |
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96 * A putch() helper function typedef for internal printf() implementation |
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97 * @param[in,out] ctx pointer to internal printf() state context structure. |
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98 * @param[in] ch character to be outputted |
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99 * @returns the character @p ch cast to int or @c EOF in case of error |
| 438 | 100 */ |
| 663 | 101 typedef int (*th_vprintf_putch)(th_vprintf_ctx *ctx, const th_char_t ch); |
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102 |
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103 |
| 618 | 104 /** @brief |
| 105 * Internal *printf() implementation helper function typedef | |
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106 * for alternative formatting, such as octal and hexadecimal |
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107 */ |
| 663 | 108 typedef th_char_t * (*th_vprintf_altfmt_func)( |
| 109 const th_char_t *buf, const size_t len, const int vret, int *prec, int *flags, int *outlen); | |
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110 |
| 663 | 111 #define TH_VPRINTF_ALTFMT_FUNC(fname) th_char_t * fname ( \ |
| 112 const th_char_t *buf, const size_t len, const int vret, int *prec, int *flags, int *outlen) | |
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113 |
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114 |
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115 TH_VPRINTF_ALTFMT_FUNC(th_vprintf_altfmt_oct); |
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116 TH_VPRINTF_ALTFMT_FUNC(th_vprintf_altfmt_hex); |
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117 |
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118 |
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119 /* Normal NUL-terminated string functions |
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120 */ |
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121 #ifdef TH_CHAR_TYPE |
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122 /** |
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123 * Implementation of strlen() that uses th_char_t type. Not optimized. |
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124 * @param[in] src string to get length of |
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125 * @returns length of the string in number of th_char_t units. |
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126 */ |
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127 size_t th_strlen(const th_char_t *str) |
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128 { |
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129 size_t len = 0; |
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130 assert(str != NULL); |
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131 |
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132 while (str[len]) len++; |
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133 |
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134 return len; |
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135 } |
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136 #else |
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137 #define th_strlen(xd) strlen(xd) |
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138 #endif |
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139 |
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140 |
| 663 | 141 th_char_t *th_strdup(const th_char_t *src); |
| 142 th_char_t *th_strndup(const th_char_t *src, const size_t n); | |
| 143 th_char_t *th_strdup_trim(const th_char_t *src, const int flags); | |
| 144 th_char_t *th_strndup_trim(const th_char_t *src, const size_t n, const int flags); | |
| 81 | 145 |
| 663 | 146 th_char_t *th_strndup_no0(const th_char_t *src, const size_t len); |
| 147 th_char_t *th_strndup_no0_trim(const th_char_t *src, const size_t len, const int flags); | |
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148 |
| 663 | 149 int th_strcasecmp(const th_char_t *haystack, const th_char_t *needle); |
| 150 int th_strncasecmp(const th_char_t *haystack, const th_char_t *needle, size_t n); | |
| 151 th_char_t *th_strrcasecmp(th_char_t *haystack, const th_char_t *needle); | |
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152 |
| 663 | 153 int th_vsnprintf(th_char_t *buf, size_t size, const th_char_t *fmt, va_list ap); |
| 154 int th_snprintf(th_char_t *buf, size_t size, const th_char_t *fmt, ...) | |
| 155 TH_ATTR_PRINTF_FMT(3, 4); | |
| 156 int th_vfprintf(FILE *fh, const th_char_t *fmt, va_list ap); | |
| 157 int th_fprintf(FILE *fh, const th_char_t *fmt, ...) | |
| 158 TH_ATTR_PRINTF_FMT(2, 3); | |
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159 |
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160 |
| 663 | 161 th_char_t *th_strdup_vprintf(const th_char_t *fmt, va_list ap); |
| 162 th_char_t *th_strdup_printf(const th_char_t *fmt, ...) | |
| 163 TH_ATTR_PRINTF_FMT(1, 2); | |
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164 |
| 663 | 165 void th_pstr_vprintf(th_char_t **buf, const th_char_t *fmt, va_list ap); |
| 166 void th_pstr_printf(th_char_t **buf, const th_char_t *fmt, ...) | |
| 167 TH_ATTR_PRINTF_FMT(2, 3); | |
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168 |
| 663 | 169 int th_pstr_cpy(th_char_t **pdst, const th_char_t *src); |
| 170 int th_pstr_cat(th_char_t **pdst, const th_char_t *src); | |
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171 |
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172 int th_split_string_elems(const th_char_t *str, th_strelems_t *ctx, const th_char_t *sep); |
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173 int th_split_string(const th_char_t *str, th_char_t ***elems, size_t *nelems, const th_char_t *sep); |
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174 int th_join_string_elems(th_char_t **str, const th_strelems_t *ctx, const th_char_t *sep); |
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175 int th_join_string(th_char_t **str, th_char_t **elems, const size_t nelems, const th_char_t *sep); |
| 682 | 176 void th_strelems_free(th_strelems_t *ctx); |
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177 |
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178 |
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179 /* Internal printf() implementation. NOTICE! This API may be unstable. |
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180 */ |
| 663 | 181 int th_vprintf_do(th_vprintf_ctx *ctx, th_vprintf_putch vputch, |
| 182 const th_char_t *fmt, va_list ap); | |
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183 |
| 663 | 184 int th_vprintf_put_str(th_vprintf_ctx *ctx, th_vprintf_putch vputch, |
| 185 const th_char_t *str, int f_flags, const int f_width, const int f_prec); | |
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186 |
| 663 | 187 int th_vprintf_put_int(th_vprintf_ctx *ctx, th_vprintf_putch vputch, |
| 188 va_list ap, const int f_radix, int f_flags, int f_width, int f_prec, | |
| 189 const BOOL f_unsig, th_vprintf_altfmt_func f_alt); | |
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190 |
| 663 | 191 int th_vprintf_put_int_format(th_vprintf_ctx *ctx, th_vprintf_putch vputch, |
| 192 th_char_t *buf, int f_flags, int f_width, int f_prec, int f_len, int vret, | |
| 193 BOOL f_neg, BOOL f_unsig, th_vprintf_altfmt_func f_alt); | |
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194 |
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195 |
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196 #define TH_VPRINTF_INTFMT_NAME th_vprintf_buf_int |
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197 #define TH_VPRINTF_INTFMT_TYPE_S int |
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198 #define TH_VPRINTF_INTFMT_TYPE_U unsigned int |
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199 #define TH_VPRINTF_INTFMT_HEADER 1 |
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200 #include "th_printf1.c" |
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201 |
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202 |
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203 #define TH_VPRINTF_INTFMT_NAME th_vprintf_buf_int64 |
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204 #define TH_VPRINTF_INTFMT_TYPE_S int64_t |
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205 #define TH_VPRINTF_INTFMT_TYPE_U uint64_t |
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206 #define TH_VPRINTF_INTFMT_HEADER 1 |
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207 #include "th_printf1.c" |
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208 |
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209 |
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210 #ifdef TH_PRINTF_DEBUG |
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211 extern BOOL th_printf_debug; |
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212 extern char *th_printf_debug_prefix; |
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213 #endif |
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214 |
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215 |
| 78 | 216 /* Parsing, matching |
| 217 */ | |
| 663 | 218 const th_char_t *th_findnext(const th_char_t *str, size_t *pos); |
| 219 const th_char_t *th_findsep(const th_char_t *str, size_t *pos, const th_char_t sep); | |
| 220 const th_char_t *th_findseporspace(const th_char_t *str, size_t *pos, const th_char_t sep); | |
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221 |
| 663 | 222 BOOL th_strmatch(const th_char_t *haystack, const th_char_t *pattern); |
| 223 BOOL th_strcasematch(const th_char_t *haystack, const th_char_t *pattern); | |
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224 |
| 663 | 225 BOOL th_get_hex_triplet(const th_char_t *str, unsigned int *value); |
| 226 BOOL th_get_boolean(const th_char_t *str, BOOL *value); | |
| 227 BOOL th_get_int(const th_char_t *str, unsigned int *value, BOOL *neg); | |
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228 |
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229 |
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230 #ifdef __cplusplus |
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231 } |
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232 #endif |
| 129 | 233 #endif // TH_STRING_H |