Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include <pj/pool.h> |
| 22 | |
| 23 | PJ_IDEF(pj_str_t) pj_str(char *str) |
| 24 | { |
| 25 | pj_str_t dst; |
| 26 | dst.ptr = str; |
| 27 | dst.slen = str ? pj_ansi_strlen(str) : 0; |
| 28 | return dst; |
| 29 | } |
| 30 | |
| 31 | PJ_IDEF(pj_str_t*) pj_strdup(pj_pool_t *pool, |
| 32 | pj_str_t *dst, |
| 33 | const pj_str_t *src) |
| 34 | { |
| 35 | /* Without this, destination will be corrupted */ |
| 36 | if (dst == src) |
| 37 | return dst; |
| 38 | |
| 39 | if (src->slen) { |
| 40 | dst->ptr = (char*)pj_pool_alloc(pool, src->slen); |
| 41 | pj_memcpy(dst->ptr, src->ptr, src->slen); |
| 42 | } |
| 43 | dst->slen = src->slen; |
| 44 | return dst; |
| 45 | } |
| 46 | |
| 47 | PJ_IDEF(pj_str_t*) pj_strdup_with_null( pj_pool_t *pool, |
| 48 | pj_str_t *dst, |
| 49 | const pj_str_t *src) |
| 50 | { |
| 51 | dst->ptr = (char*)pj_pool_alloc(pool, src->slen+1); |
| 52 | if (src->slen) { |
| 53 | pj_memcpy(dst->ptr, src->ptr, src->slen); |
| 54 | } |
| 55 | dst->slen = src->slen; |
| 56 | dst->ptr[dst->slen] = '\0'; |
| 57 | return dst; |
| 58 | } |
| 59 | |
| 60 | PJ_IDEF(pj_str_t*) pj_strdup2(pj_pool_t *pool, |
| 61 | pj_str_t *dst, |
| 62 | const char *src) |
| 63 | { |
| 64 | dst->slen = src ? pj_ansi_strlen(src) : 0; |
| 65 | if (dst->slen) { |
| 66 | dst->ptr = (char*)pj_pool_alloc(pool, dst->slen); |
| 67 | pj_memcpy(dst->ptr, src, dst->slen); |
| 68 | } else { |
| 69 | dst->ptr = NULL; |
| 70 | } |
| 71 | return dst; |
| 72 | } |
| 73 | |
| 74 | PJ_IDEF(pj_str_t*) pj_strdup2_with_null( pj_pool_t *pool, |
| 75 | pj_str_t *dst, |
| 76 | const char *src) |
| 77 | { |
| 78 | dst->slen = src ? pj_ansi_strlen(src) : 0; |
| 79 | dst->ptr = (char*)pj_pool_alloc(pool, dst->slen+1); |
| 80 | if (dst->slen) { |
| 81 | pj_memcpy(dst->ptr, src, dst->slen); |
| 82 | } |
| 83 | dst->ptr[dst->slen] = '\0'; |
| 84 | return dst; |
| 85 | } |
| 86 | |
| 87 | PJ_IDEF(pj_str_t) pj_strdup3(pj_pool_t *pool, const char *src) |
| 88 | { |
| 89 | pj_str_t temp; |
| 90 | pj_strdup2(pool, &temp, src); |
| 91 | return temp; |
| 92 | } |
| 93 | |
| 94 | PJ_IDEF(pj_str_t*) pj_strassign( pj_str_t *dst, pj_str_t *src ) |
| 95 | { |
| 96 | dst->ptr = src->ptr; |
| 97 | dst->slen = src->slen; |
| 98 | return dst; |
| 99 | } |
| 100 | |
| 101 | PJ_IDEF(pj_str_t*) pj_strcpy(pj_str_t *dst, const pj_str_t *src) |
| 102 | { |
| 103 | dst->slen = src->slen; |
| 104 | if (src->slen > 0) |
| 105 | pj_memcpy(dst->ptr, src->ptr, src->slen); |
| 106 | return dst; |
| 107 | } |
| 108 | |
| 109 | PJ_IDEF(pj_str_t*) pj_strcpy2(pj_str_t *dst, const char *src) |
| 110 | { |
| 111 | dst->slen = src ? pj_ansi_strlen(src) : 0; |
| 112 | if (dst->slen > 0) |
| 113 | pj_memcpy(dst->ptr, src, dst->slen); |
| 114 | return dst; |
| 115 | } |
| 116 | |
| 117 | PJ_IDEF(pj_str_t*) pj_strncpy( pj_str_t *dst, const pj_str_t *src, |
| 118 | pj_ssize_t max) |
| 119 | { |
| 120 | if (max > src->slen) max = src->slen; |
| 121 | pj_memcpy(dst->ptr, src->ptr, max); |
| 122 | dst->slen = max; |
| 123 | return dst; |
| 124 | } |
| 125 | |
| 126 | PJ_IDEF(pj_str_t*) pj_strncpy_with_null( pj_str_t *dst, const pj_str_t *src, |
| 127 | pj_ssize_t max) |
| 128 | { |
| 129 | if (max <= src->slen) |
| 130 | max = max-1; |
| 131 | else |
| 132 | max = src->slen; |
| 133 | |
| 134 | pj_memcpy(dst->ptr, src->ptr, max); |
| 135 | dst->ptr[max] = '\0'; |
| 136 | dst->slen = max; |
| 137 | return dst; |
| 138 | } |
| 139 | |
| 140 | |
| 141 | PJ_IDEF(int) pj_strcmp( const pj_str_t *str1, const pj_str_t *str2) |
| 142 | { |
| 143 | if (str1->slen == 0) { |
| 144 | return str2->slen==0 ? 0 : -1; |
| 145 | } else if (str2->slen == 0) { |
| 146 | return 1; |
| 147 | } else { |
| 148 | pj_size_t min = (str1->slen < str2->slen)? str1->slen : str2->slen; |
| 149 | int res = pj_memcmp(str1->ptr, str2->ptr, min); |
| 150 | if (res == 0) { |
| 151 | return (str1->slen < str2->slen) ? -1 : |
| 152 | (str1->slen == str2->slen ? 0 : 1); |
| 153 | } else { |
| 154 | return res; |
| 155 | } |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | PJ_IDEF(int) pj_strncmp( const pj_str_t *str1, const pj_str_t *str2, |
| 160 | pj_size_t len) |
| 161 | { |
| 162 | pj_str_t copy1, copy2; |
| 163 | |
| 164 | if (len < (unsigned)str1->slen) { |
| 165 | copy1.ptr = str1->ptr; |
| 166 | copy1.slen = len; |
| 167 | str1 = ©1; |
| 168 | } |
| 169 | |
| 170 | if (len < (unsigned)str2->slen) { |
| 171 | copy2.ptr = str2->ptr; |
| 172 | copy2.slen = len; |
| 173 | str2 = ©2; |
| 174 | } |
| 175 | |
| 176 | return pj_strcmp(str1, str2); |
| 177 | } |
| 178 | |
| 179 | PJ_IDEF(int) pj_strncmp2( const pj_str_t *str1, const char *str2, |
| 180 | pj_size_t len) |
| 181 | { |
| 182 | pj_str_t copy2; |
| 183 | |
| 184 | if (str2) { |
| 185 | copy2.ptr = (char*)str2; |
| 186 | copy2.slen = pj_ansi_strlen(str2); |
| 187 | } else { |
| 188 | copy2.slen = 0; |
| 189 | } |
| 190 | |
| 191 | return pj_strncmp(str1, ©2, len); |
| 192 | } |
| 193 | |
| 194 | PJ_IDEF(int) pj_strcmp2( const pj_str_t *str1, const char *str2 ) |
| 195 | { |
| 196 | pj_str_t copy2; |
| 197 | |
| 198 | if (str2) { |
| 199 | copy2.ptr = (char*)str2; |
| 200 | copy2.slen = pj_ansi_strlen(str2); |
| 201 | } else { |
| 202 | copy2.ptr = NULL; |
| 203 | copy2.slen = 0; |
| 204 | } |
| 205 | |
| 206 | return pj_strcmp(str1, ©2); |
| 207 | } |
| 208 | |
| 209 | PJ_IDEF(int) pj_stricmp( const pj_str_t *str1, const pj_str_t *str2) |
| 210 | { |
| 211 | if (str1->slen == 0) { |
| 212 | return str2->slen==0 ? 0 : -1; |
| 213 | } else if (str2->slen == 0) { |
| 214 | return 1; |
| 215 | } else { |
| 216 | pj_size_t min = (str1->slen < str2->slen)? str1->slen : str2->slen; |
| 217 | int res = pj_ansi_strnicmp(str1->ptr, str2->ptr, min); |
| 218 | if (res == 0) { |
| 219 | return (str1->slen < str2->slen) ? -1 : |
| 220 | (str1->slen == str2->slen ? 0 : 1); |
| 221 | } else { |
| 222 | return res; |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | #if defined(PJ_HAS_STRICMP_ALNUM) && PJ_HAS_STRICMP_ALNUM!=0 |
| 228 | PJ_IDEF(int) strnicmp_alnum( const char *str1, const char *str2, |
| 229 | int len) |
| 230 | { |
| 231 | if (len==0) |
| 232 | return 0; |
| 233 | else { |
| 234 | register const pj_uint32_t *p1 = (pj_uint32_t*)str1, |
| 235 | *p2 = (pj_uint32_t*)str2; |
| 236 | while (len > 3 && (*p1 & 0x5F5F5F5F)==(*p2 & 0x5F5F5F5F)) |
| 237 | ++p1, ++p2, len-=4; |
| 238 | |
| 239 | if (len > 3) |
| 240 | return -1; |
| 241 | #if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN!=0 |
| 242 | else if (len==3) |
| 243 | return ((*p1 & 0x005F5F5F)==(*p2 & 0x005F5F5F)) ? 0 : -1; |
| 244 | else if (len==2) |
| 245 | return ((*p1 & 0x00005F5F)==(*p2 & 0x00005F5F)) ? 0 : -1; |
| 246 | else if (len==1) |
| 247 | return ((*p1 & 0x0000005F)==(*p2 & 0x0000005F)) ? 0 : -1; |
| 248 | #else |
| 249 | else if (len==3) |
| 250 | return ((*p1 & 0x5F5F5F00)==(*p2 & 0x5F5F5F00)) ? 0 : -1; |
| 251 | else if (len==2) |
| 252 | return ((*p1 & 0x5F5F0000)==(*p2 & 0x5F5F0000)) ? 0 : -1; |
| 253 | else if (len==1) |
| 254 | return ((*p1 & 0x5F000000)==(*p2 & 0x5F000000)) ? 0 : -1; |
| 255 | #endif |
| 256 | else |
| 257 | return 0; |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | PJ_IDEF(int) pj_stricmp_alnum(const pj_str_t *str1, const pj_str_t *str2) |
| 262 | { |
| 263 | register int len = str1->slen; |
| 264 | |
| 265 | if (len != str2->slen) { |
| 266 | return (len < str2->slen) ? -1 : 1; |
| 267 | } else if (len == 0) { |
| 268 | return 0; |
| 269 | } else { |
| 270 | register const pj_uint32_t *p1 = (pj_uint32_t*)str1->ptr, |
| 271 | *p2 = (pj_uint32_t*)str2->ptr; |
| 272 | while (len > 3 && (*p1 & 0x5F5F5F5F)==(*p2 & 0x5F5F5F5F)) |
| 273 | ++p1, ++p2, len-=4; |
| 274 | |
| 275 | if (len > 3) |
| 276 | return -1; |
| 277 | #if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN!=0 |
| 278 | else if (len==3) |
| 279 | return ((*p1 & 0x005F5F5F)==(*p2 & 0x005F5F5F)) ? 0 : -1; |
| 280 | else if (len==2) |
| 281 | return ((*p1 & 0x00005F5F)==(*p2 & 0x00005F5F)) ? 0 : -1; |
| 282 | else if (len==1) |
| 283 | return ((*p1 & 0x0000005F)==(*p2 & 0x0000005F)) ? 0 : -1; |
| 284 | #else |
| 285 | else if (len==3) |
| 286 | return ((*p1 & 0x5F5F5F00)==(*p2 & 0x5F5F5F00)) ? 0 : -1; |
| 287 | else if (len==2) |
| 288 | return ((*p1 & 0x5F5F0000)==(*p2 & 0x5F5F0000)) ? 0 : -1; |
| 289 | else if (len==1) |
| 290 | return ((*p1 & 0x5F000000)==(*p2 & 0x5F000000)) ? 0 : -1; |
| 291 | #endif |
| 292 | else |
| 293 | return 0; |
| 294 | } |
| 295 | } |
| 296 | #endif /* PJ_HAS_STRICMP_ALNUM */ |
| 297 | |
| 298 | PJ_IDEF(int) pj_stricmp2( const pj_str_t *str1, const char *str2) |
| 299 | { |
| 300 | pj_str_t copy2; |
| 301 | |
| 302 | if (str2) { |
| 303 | copy2.ptr = (char*)str2; |
| 304 | copy2.slen = pj_ansi_strlen(str2); |
| 305 | } else { |
| 306 | copy2.ptr = NULL; |
| 307 | copy2.slen = 0; |
| 308 | } |
| 309 | |
| 310 | return pj_stricmp(str1, ©2); |
| 311 | } |
| 312 | |
| 313 | PJ_IDEF(int) pj_strnicmp( const pj_str_t *str1, const pj_str_t *str2, |
| 314 | pj_size_t len) |
| 315 | { |
| 316 | pj_str_t copy1, copy2; |
| 317 | |
| 318 | if (len < (unsigned)str1->slen) { |
| 319 | copy1.ptr = str1->ptr; |
| 320 | copy1.slen = len; |
| 321 | str1 = ©1; |
| 322 | } |
| 323 | |
| 324 | if (len < (unsigned)str2->slen) { |
| 325 | copy2.ptr = str2->ptr; |
| 326 | copy2.slen = len; |
| 327 | str2 = ©2; |
| 328 | } |
| 329 | |
| 330 | return pj_stricmp(str1, str2); |
| 331 | } |
| 332 | |
| 333 | PJ_IDEF(int) pj_strnicmp2( const pj_str_t *str1, const char *str2, |
| 334 | pj_size_t len) |
| 335 | { |
| 336 | pj_str_t copy2; |
| 337 | |
| 338 | if (str2) { |
| 339 | copy2.ptr = (char*)str2; |
| 340 | copy2.slen = pj_ansi_strlen(str2); |
| 341 | } else { |
| 342 | copy2.slen = 0; |
| 343 | } |
| 344 | |
| 345 | return pj_strnicmp(str1, ©2, len); |
| 346 | } |
| 347 | |
| 348 | PJ_IDEF(void) pj_strcat(pj_str_t *dst, const pj_str_t *src) |
| 349 | { |
| 350 | if (src->slen) { |
| 351 | pj_memcpy(dst->ptr + dst->slen, src->ptr, src->slen); |
| 352 | dst->slen += src->slen; |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | PJ_IDEF(void) pj_strcat2(pj_str_t *dst, const char *str) |
| 357 | { |
| 358 | pj_size_t len = str? pj_ansi_strlen(str) : 0; |
| 359 | if (len) { |
| 360 | pj_memcpy(dst->ptr + dst->slen, str, len); |
| 361 | dst->slen += len; |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | PJ_IDEF(pj_str_t*) pj_strtrim( pj_str_t *str ) |
| 366 | { |
| 367 | pj_strltrim(str); |
| 368 | pj_strrtrim(str); |
| 369 | return str; |
| 370 | } |
| 371 | |