Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 2125:8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 29 Jul 2008 14:41:34 +0000 |
| parents | 2f2052fdd882 |
| children | 8c6521eedf84 |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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10 |
| 493 | 11 u_char * |
| 12 ngx_cpystrn(u_char *dst, u_char *src, size_t n) | |
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13 { |
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14 if (n == 0) { |
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15 return dst; |
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16 } |
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17 |
| 517 | 18 for ( /* void */ ; --n; dst++, src++) { |
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19 *dst = *src; |
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20 |
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21 if (*dst == '\0') { |
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22 return dst; |
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23 } |
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24 } |
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25 |
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26 *dst = '\0'; |
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27 |
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28 return dst; |
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29 } |
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31 |
| 493 | 32 u_char * |
| 33 ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src) | |
| 485 | 34 { |
| 35 u_char *dst; | |
| 36 | |
| 2049 | 37 dst = ngx_pnalloc(pool, src->len); |
| 501 | 38 if (dst == NULL) { |
| 485 | 39 return NULL; |
| 40 } | |
| 41 | |
| 42 ngx_memcpy(dst, src->data, src->len); | |
| 43 | |
| 44 return dst; | |
| 45 } | |
| 46 | |
| 47 | |
| 455 | 48 /* |
| 49 * supported formats: | |
| 473 | 50 * %[0][width][x][X]O off_t |
| 461 | 51 * %[0][width]T time_t |
| 52 * %[0][width][u][x|X]z ssize_t/size_t | |
| 53 * %[0][width][u][x|X]d int/u_int | |
| 54 * %[0][width][u][x|X]l long | |
| 55 * %[0][width|m][u][x|X]i ngx_int_t/ngx_uint_t | |
| 56 * %[0][width][u][x|X]D int32_t/uint32_t | |
| 57 * %[0][width][u][x|X]L int64_t/uint64_t | |
| 495 | 58 * %[0][width|m][u][x|X]A ngx_atomic_int_t/ngx_atomic_uint_t |
| 461 | 59 * %P ngx_pid_t |
| 557 | 60 * %M ngx_msec_t |
| 461 | 61 * %r rlim_t |
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62 * %p void * |
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63 * %V ngx_str_t * |
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64 * %v ngx_variable_value_t * |
| 461 | 65 * %s null-terminated string |
| 1773 | 66 * %*s length and string |
| 461 | 67 * %Z '\0' |
| 525 | 68 * %N '\n' |
| 461 | 69 * %c char |
| 70 * %% % | |
| 455 | 71 * |
| 461 | 72 * reserved: |
| 73 * %t ptrdiff_t | |
| 74 * %S null-teminated wchar string | |
| 75 * %C wchar | |
| 455 | 76 */ |
| 77 | |
| 461 | 78 |
| 503 | 79 u_char * ngx_cdecl |
| 493 | 80 ngx_sprintf(u_char *buf, const char *fmt, ...) |
| 461 | 81 { |
| 82 u_char *p; | |
| 83 va_list args; | |
| 84 | |
| 85 va_start(args, fmt); | |
| 86 p = ngx_vsnprintf(buf, /* STUB */ 65536, fmt, args); | |
| 87 va_end(args); | |
| 88 | |
| 89 return p; | |
| 90 } | |
| 91 | |
| 92 | |
| 503 | 93 u_char * ngx_cdecl |
| 493 | 94 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...) |
| 455 | 95 { |
| 461 | 96 u_char *p; |
| 97 va_list args; | |
| 98 | |
| 99 va_start(args, fmt); | |
| 100 p = ngx_vsnprintf(buf, max, fmt, args); | |
| 101 va_end(args); | |
| 102 | |
| 103 return p; | |
| 104 } | |
| 105 | |
| 455 | 106 |
| 493 | 107 u_char * |
| 108 ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args) | |
| 461 | 109 { |
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110 u_char *p, zero, *last, temp[NGX_INT64_LEN + 1]; |
| 479 | 111 /* |
| 112 * really we need temp[NGX_INT64_LEN] only, | |
| 493 | 113 * but icc issues the warning |
| 479 | 114 */ |
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115 int d; |
| 1773 | 116 size_t len, slen; |
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117 uint32_t ui32; |
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118 int64_t i64; |
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119 uint64_t ui64; |
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120 ngx_msec_t ms; |
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121 ngx_uint_t width, sign, hexadecimal, max_width; |
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122 ngx_str_t *v; |
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123 ngx_variable_value_t *vv; |
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124 static u_char hex[] = "0123456789abcdef"; |
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125 static u_char HEX[] = "0123456789ABCDEF"; |
| 455 | 126 |
| 461 | 127 if (max == 0) { |
| 128 return buf; | |
| 129 } | |
| 130 | |
| 131 last = buf + max; | |
| 132 | |
| 133 while (*fmt && buf < last) { | |
| 134 | |
| 135 /* | |
| 136 * "buf < last" means that we could copy at least one character: | |
| 137 * the plain character, "%%", "%c", and minus without the checking | |
| 138 */ | |
| 139 | |
| 455 | 140 if (*fmt == '%') { |
| 141 | |
| 461 | 142 i64 = 0; |
| 143 ui64 = 0; | |
| 144 | |
| 145 zero = (u_char) ((*++fmt == '0') ? '0' : ' '); | |
| 455 | 146 width = 0; |
| 147 sign = 1; | |
| 148 hexadecimal = 0; | |
| 493 | 149 max_width = 0; |
| 1863 | 150 slen = (size_t) -1; |
| 455 | 151 |
| 477 | 152 p = temp + NGX_INT64_LEN; |
| 455 | 153 |
| 154 while (*fmt >= '0' && *fmt <= '9') { | |
| 155 width = width * 10 + *fmt++ - '0'; | |
| 156 } | |
| 157 | |
| 158 | |
| 159 for ( ;; ) { | |
| 160 switch (*fmt) { | |
| 161 | |
| 162 case 'u': | |
| 163 sign = 0; | |
| 164 fmt++; | |
| 165 continue; | |
| 166 | |
| 467 | 167 case 'm': |
| 493 | 168 max_width = 1; |
| 467 | 169 fmt++; |
| 170 continue; | |
| 171 | |
| 461 | 172 case 'X': |
| 173 hexadecimal = 2; | |
| 174 sign = 0; | |
| 175 fmt++; | |
| 176 continue; | |
| 177 | |
| 455 | 178 case 'x': |
| 179 hexadecimal = 1; | |
| 461 | 180 sign = 0; |
| 455 | 181 fmt++; |
| 182 continue; | |
| 183 | |
| 1773 | 184 case '*': |
| 1866 | 185 slen = va_arg(args, size_t); |
| 1773 | 186 fmt++; |
| 187 continue; | |
| 188 | |
| 455 | 189 default: |
| 190 break; | |
| 191 } | |
| 192 | |
| 193 break; | |
| 194 } | |
| 195 | |
| 196 | |
| 197 switch (*fmt) { | |
| 198 | |
| 461 | 199 case 'V': |
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200 v = va_arg(args, ngx_str_t *); |
| 455 | 201 |
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202 len = v->len; |
| 573 | 203 len = (buf + len < last) ? len : (size_t) (last - buf); |
| 204 | |
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205 buf = ngx_cpymem(buf, v->data, len); |
| 461 | 206 fmt++; |
| 455 | 207 |
| 461 | 208 continue; |
| 455 | 209 |
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210 case 'v': |
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211 vv = va_arg(args, ngx_variable_value_t *); |
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212 |
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213 len = vv->len; |
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214 len = (buf + len < last) ? len : (size_t) (last - buf); |
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215 |
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216 buf = ngx_cpymem(buf, vv->data, len); |
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217 fmt++; |
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218 |
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219 continue; |
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220 |
| 455 | 221 case 's': |
| 461 | 222 p = va_arg(args, u_char *); |
| 455 | 223 |
| 1863 | 224 if (slen == (size_t) -1) { |
| 1773 | 225 while (*p && buf < last) { |
| 226 *buf++ = *p++; | |
| 227 } | |
| 228 | |
| 229 } else { | |
| 1867 | 230 len = (buf + slen < last) ? slen : (size_t) (last - buf); |
| 231 | |
| 232 buf = ngx_cpymem(buf, p, len); | |
| 455 | 233 } |
| 1773 | 234 |
| 455 | 235 fmt++; |
| 236 | |
| 237 continue; | |
| 238 | |
| 461 | 239 case 'O': |
| 240 i64 = (int64_t) va_arg(args, off_t); | |
| 241 sign = 1; | |
| 242 break; | |
| 243 | |
| 244 case 'P': | |
| 245 i64 = (int64_t) va_arg(args, ngx_pid_t); | |
| 246 sign = 1; | |
| 247 break; | |
| 248 | |
| 249 case 'T': | |
| 250 i64 = (int64_t) va_arg(args, time_t); | |
| 251 sign = 1; | |
| 252 break; | |
| 253 | |
| 557 | 254 case 'M': |
| 561 | 255 ms = (ngx_msec_t) va_arg(args, ngx_msec_t); |
| 256 if ((ngx_msec_int_t) ms == -1) { | |
| 257 sign = 1; | |
| 258 i64 = -1; | |
| 259 } else { | |
| 260 sign = 0; | |
| 261 ui64 = (uint64_t) ms; | |
| 262 } | |
| 557 | 263 break; |
| 264 | |
| 461 | 265 case 'z': |
| 266 if (sign) { | |
| 267 i64 = (int64_t) va_arg(args, ssize_t); | |
| 268 } else { | |
| 269 ui64 = (uint64_t) va_arg(args, size_t); | |
| 270 } | |
| 271 break; | |
| 272 | |
| 273 case 'i': | |
| 274 if (sign) { | |
| 275 i64 = (int64_t) va_arg(args, ngx_int_t); | |
| 276 } else { | |
| 277 ui64 = (uint64_t) va_arg(args, ngx_uint_t); | |
| 278 } | |
| 493 | 279 |
| 280 if (max_width) { | |
| 281 width = NGX_INT_T_LEN; | |
| 282 } | |
| 283 | |
| 461 | 284 break; |
| 285 | |
| 286 case 'd': | |
| 287 if (sign) { | |
| 288 i64 = (int64_t) va_arg(args, int); | |
| 289 } else { | |
| 290 ui64 = (uint64_t) va_arg(args, u_int); | |
| 291 } | |
| 292 break; | |
| 293 | |
| 294 case 'l': | |
| 295 if (sign) { | |
| 296 i64 = (int64_t) va_arg(args, long); | |
| 297 } else { | |
| 298 ui64 = (uint64_t) va_arg(args, u_long); | |
| 299 } | |
| 300 break; | |
| 301 | |
| 302 case 'D': | |
| 303 if (sign) { | |
| 304 i64 = (int64_t) va_arg(args, int32_t); | |
| 305 } else { | |
| 306 ui64 = (uint64_t) va_arg(args, uint32_t); | |
| 307 } | |
| 308 break; | |
| 309 | |
| 310 case 'L': | |
| 311 if (sign) { | |
| 312 i64 = va_arg(args, int64_t); | |
| 313 } else { | |
| 314 ui64 = va_arg(args, uint64_t); | |
| 315 } | |
| 316 break; | |
| 317 | |
| 493 | 318 case 'A': |
| 319 if (sign) { | |
| 320 i64 = (int64_t) va_arg(args, ngx_atomic_int_t); | |
| 321 } else { | |
| 495 | 322 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); |
| 493 | 323 } |
| 324 | |
| 325 if (max_width) { | |
| 326 width = NGX_ATOMIC_T_LEN; | |
| 327 } | |
| 328 | |
| 329 break; | |
| 330 | |
| 461 | 331 #if !(NGX_WIN32) |
| 332 case 'r': | |
| 333 i64 = (int64_t) va_arg(args, rlim_t); | |
| 334 sign = 1; | |
| 335 break; | |
| 336 #endif | |
| 337 | |
| 338 case 'p': | |
| 339 ui64 = (uintptr_t) va_arg(args, void *); | |
| 340 hexadecimal = 2; | |
| 341 sign = 0; | |
| 342 zero = '0'; | |
| 613 | 343 width = NGX_PTR_SIZE * 2; |
| 461 | 344 break; |
| 345 | |
| 457 | 346 case 'c': |
| 461 | 347 d = va_arg(args, int); |
| 457 | 348 *buf++ = (u_char) (d & 0xff); |
| 349 fmt++; | |
| 350 | |
| 351 continue; | |
| 352 | |
| 461 | 353 case 'Z': |
| 354 *buf++ = '\0'; | |
| 355 fmt++; | |
| 356 | |
| 357 continue; | |
| 358 | |
| 525 | 359 case 'N': |
| 360 #if (NGX_WIN32) | |
| 361 *buf++ = CR; | |
| 362 #endif | |
| 363 *buf++ = LF; | |
| 364 fmt++; | |
| 365 | |
| 366 continue; | |
| 367 | |
| 455 | 368 case '%': |
| 369 *buf++ = '%'; | |
| 370 fmt++; | |
| 371 | |
| 372 continue; | |
| 373 | |
| 374 default: | |
| 375 *buf++ = *fmt++; | |
| 376 | |
| 377 continue; | |
| 378 } | |
| 379 | |
| 461 | 380 if (sign) { |
| 381 if (i64 < 0) { | |
| 382 *buf++ = '-'; | |
| 383 ui64 = (uint64_t) -i64; | |
| 384 | |
| 385 } else { | |
| 386 ui64 = (uint64_t) i64; | |
| 387 } | |
| 388 } | |
| 389 | |
| 390 if (hexadecimal == 1) { | |
| 391 do { | |
| 392 | |
| 393 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 394 *--p = hex[(uint32_t) (ui64 & 0xf)]; | |
| 395 | |
| 396 } while (ui64 >>= 4); | |
| 397 | |
| 398 } else if (hexadecimal == 2) { | |
| 399 do { | |
| 400 | |
| 401 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 402 *--p = HEX[(uint32_t) (ui64 & 0xf)]; | |
| 403 | |
| 404 } while (ui64 >>= 4); | |
| 405 | |
| 406 } else if (ui64 <= NGX_MAX_UINT32_VALUE) { | |
| 407 | |
| 408 /* | |
| 409 * To divide 64-bit number and to find the remainder | |
| 410 * on the x86 platform gcc and icc call the libc functions | |
| 411 * [u]divdi3() and [u]moddi3(), they call another function | |
| 493 | 412 * in its turn. On FreeBSD it is the qdivrem() function, |
| 461 | 413 * its source code is about 170 lines of the code. |
| 414 * The glibc counterpart is about 150 lines of the code. | |
| 415 * | |
| 493 | 416 * For 32-bit numbers and some divisors gcc and icc use |
| 417 * the inlined multiplication and shifts. For example, | |
| 418 * unsigned "i32 / 10" is compiled to | |
| 419 * | |
| 420 * (i32 * 0xCCCCCCCD) >> 35 | |
| 461 | 421 */ |
| 422 | |
| 423 ui32 = (uint32_t) ui64; | |
| 424 | |
| 425 do { | |
| 426 *--p = (u_char) (ui32 % 10 + '0'); | |
| 427 } while (ui32 /= 10); | |
| 428 | |
| 429 } else { | |
| 430 do { | |
| 431 *--p = (u_char) (ui64 % 10 + '0'); | |
| 432 } while (ui64 /= 10); | |
| 433 } | |
| 434 | |
| 477 | 435 len = (temp + NGX_INT64_LEN) - p; |
| 455 | 436 |
| 461 | 437 while (len++ < width && buf < last) { |
| 438 *buf++ = zero; | |
| 455 | 439 } |
| 440 | |
| 477 | 441 len = (temp + NGX_INT64_LEN) - p; |
| 461 | 442 if (buf + len > last) { |
| 443 len = last - buf; | |
| 444 } | |
| 445 | |
| 446 buf = ngx_cpymem(buf, p, len); | |
| 455 | 447 |
| 448 fmt++; | |
| 449 | |
| 450 } else { | |
| 451 *buf++ = *fmt++; | |
| 452 } | |
| 453 } | |
| 454 | |
| 455 return buf; | |
| 456 } | |
| 457 | |
| 458 | |
|
1107
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459 /* |
| 1541 | 460 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII strings only, |
|
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461 * and implement our own ngx_strcasecmp()/ngx_strncasecmp() |
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462 * to avoid libc locale overhead. Besides, we use the ngx_uint_t's |
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463 * instead of the u_char's, because they are slightly faster. |
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464 */ |
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465 |
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466 ngx_int_t |
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467 ngx_strcasecmp(u_char *s1, u_char *s2) |
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468 { |
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469 ngx_uint_t c1, c2; |
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470 |
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471 for ( ;; ) { |
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472 c1 = (ngx_uint_t) *s1++; |
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473 c2 = (ngx_uint_t) *s2++; |
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474 |
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475 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
|
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476 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
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477 |
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478 if (c1 == c2) { |
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479 |
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480 if (c1) { |
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481 continue; |
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482 } |
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483 |
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484 return 0; |
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485 } |
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486 |
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487 return c1 - c2; |
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488 } |
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489 } |
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490 |
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491 |
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492 ngx_int_t |
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493 ngx_strncasecmp(u_char *s1, u_char *s2, size_t n) |
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494 { |
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495 ngx_uint_t c1, c2; |
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496 |
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497 while (n) { |
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498 c1 = (ngx_uint_t) *s1++; |
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499 c2 = (ngx_uint_t) *s2++; |
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|
500 |
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501 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
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502 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
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|
503 |
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504 if (c1 == c2) { |
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|
505 |
|
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|
506 if (c1) { |
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|
507 n--; |
|
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508 continue; |
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|
509 } |
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|
510 |
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511 return 0; |
|
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|
512 } |
|
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|
513 |
|
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514 return c1 - c2; |
|
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|
515 } |
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|
516 |
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517 return 0; |
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|
518 } |
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|
519 |
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|
520 |
| 1552 | 521 u_char * |
| 522 ngx_strnstr(u_char *s1, char *s2, size_t len) | |
| 523 { | |
| 524 u_char c1, c2; | |
| 525 size_t n; | |
| 526 | |
| 527 c2 = *(u_char *) s2++; | |
| 528 | |
| 529 n = ngx_strlen(s2); | |
| 530 | |
| 531 do { | |
| 532 do { | |
| 533 if (len-- == 0) { | |
| 534 return NULL; | |
| 535 } | |
| 536 | |
| 537 c1 = *s1++; | |
| 538 | |
| 539 if (c1 == 0) { | |
| 540 return NULL; | |
| 541 } | |
| 542 | |
| 543 } while (c1 != c2); | |
| 544 | |
| 545 if (n > len) { | |
| 546 return NULL; | |
| 547 } | |
| 548 | |
| 549 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); | |
| 550 | |
| 551 return --s1; | |
| 552 } | |
| 553 | |
| 554 | |
| 1550 | 555 /* |
| 556 * ngx_strstrn() and ngx_strcasestrn() are intended to search for static | |
| 557 * substring with known length in null-terminated string. The argument n | |
| 558 * must be length of the second substring - 1. | |
| 559 */ | |
| 560 | |
|
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|
561 u_char * |
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|
562 ngx_strstrn(u_char *s1, char *s2, size_t n) |
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563 { |
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|
564 u_char c1, c2; |
|
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|
565 |
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|
566 c2 = *(u_char *) s2++; |
|
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|
567 |
|
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|
568 do { |
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|
569 do { |
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|
570 c1 = *s1++; |
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|
571 |
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|
572 if (c1 == 0) { |
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573 return NULL; |
|
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|
574 } |
|
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|
575 |
|
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|
576 } while (c1 != c2); |
|
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|
577 |
|
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|
578 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); |
|
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|
579 |
|
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|
580 return --s1; |
|
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|
581 } |
|
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|
582 |
|
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|
583 |
|
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|
584 u_char * |
|
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changeset
|
585 ngx_strcasestrn(u_char *s1, char *s2, size_t n) |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
586 { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
587 ngx_uint_t c1, c2; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
588 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
589 c2 = (ngx_uint_t) *s2++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
590 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
591 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
592 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
593 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
594 c1 = (ngx_uint_t) *s1++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
595 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
596 if (c1 == 0) { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
597 return NULL; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
598 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
599 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
600 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
601 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
602 } while (c1 != c2); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
603 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
604 } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
605 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
606 return --s1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
607 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
608 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
609 |
| 493 | 610 ngx_int_t |
| 611 ngx_rstrncmp(u_char *s1, u_char *s2, size_t n) | |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
612 { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
613 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
614 return 0; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
615 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
616 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
617 n--; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
618 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
619 for ( ;; ) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
620 if (s1[n] != s2[n]) { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
621 return s1[n] - s2[n]; |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
622 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
623 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
624 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
625 return 0; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
626 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
627 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
628 n--; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
629 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
630 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
631 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
632 |
| 493 | 633 ngx_int_t |
| 634 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
| 455 | 635 { |
| 636 u_char c1, c2; | |
| 637 | |
| 638 if (n == 0) { | |
| 639 return 0; | |
| 640 } | |
| 641 | |
| 642 n--; | |
| 643 | |
| 644 for ( ;; ) { | |
| 645 c1 = s1[n]; | |
| 646 if (c1 >= 'a' && c1 <= 'z') { | |
| 647 c1 -= 'a' - 'A'; | |
| 648 } | |
| 649 | |
| 650 c2 = s2[n]; | |
| 651 if (c2 >= 'a' && c2 <= 'z') { | |
| 652 c2 -= 'a' - 'A'; | |
| 653 } | |
| 654 | |
| 655 if (c1 != c2) { | |
| 656 return c1 - c2; | |
| 657 } | |
| 658 | |
| 659 if (n == 0) { | |
| 660 return 0; | |
| 661 } | |
| 662 | |
| 663 n--; | |
| 664 } | |
| 665 } | |
| 666 | |
| 667 | |
| 493 | 668 ngx_int_t |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
669 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
| 1024 | 670 { |
| 671 size_t n; | |
| 672 ngx_int_t m, z; | |
| 673 | |
| 674 if (n1 <= n2) { | |
| 675 n = n1; | |
| 676 z = -1; | |
| 677 | |
| 678 } else { | |
| 679 n = n2; | |
| 680 z = 1; | |
| 681 } | |
| 682 | |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
683 m = ngx_memcmp(s1, s2, n); |
| 1024 | 684 |
| 685 if (m || n1 == n2) { | |
| 686 return m; | |
| 687 } | |
| 688 | |
| 689 return z; | |
| 690 } | |
| 691 | |
| 692 | |
| 693 ngx_int_t | |
| 493 | 694 ngx_atoi(u_char *line, size_t n) |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
695 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
696 ngx_int_t value; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
697 |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
698 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
699 return NGX_ERROR; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
700 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
701 |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
702 for (value = 0; n--; line++) { |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
703 if (*line < '0' || *line > '9') { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
704 return NGX_ERROR; |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
705 } |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
706 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
707 value = value * 10 + (*line - '0'); |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
708 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
709 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
710 if (value < 0) { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
711 return NGX_ERROR; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
712 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
713 } else { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
714 return value; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
715 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
716 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
717 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
718 |
| 501 | 719 ssize_t |
| 720 ngx_atosz(u_char *line, size_t n) | |
| 721 { | |
| 722 ssize_t value; | |
| 723 | |
| 724 if (n == 0) { | |
| 725 return NGX_ERROR; | |
| 726 } | |
| 727 | |
| 728 for (value = 0; n--; line++) { | |
| 729 if (*line < '0' || *line > '9') { | |
| 730 return NGX_ERROR; | |
| 731 } | |
| 732 | |
| 733 value = value * 10 + (*line - '0'); | |
| 734 } | |
| 735 | |
| 736 if (value < 0) { | |
| 737 return NGX_ERROR; | |
| 738 | |
| 739 } else { | |
| 740 return value; | |
| 741 } | |
| 742 } | |
| 743 | |
| 744 | |
| 745 off_t | |
| 746 ngx_atoof(u_char *line, size_t n) | |
| 747 { | |
| 748 off_t value; | |
| 749 | |
| 750 if (n == 0) { | |
| 751 return NGX_ERROR; | |
| 752 } | |
| 753 | |
| 754 for (value = 0; n--; line++) { | |
| 755 if (*line < '0' || *line > '9') { | |
| 756 return NGX_ERROR; | |
| 757 } | |
| 758 | |
| 759 value = value * 10 + (*line - '0'); | |
| 760 } | |
| 761 | |
| 762 if (value < 0) { | |
| 763 return NGX_ERROR; | |
| 764 | |
| 765 } else { | |
| 766 return value; | |
| 767 } | |
| 768 } | |
| 769 | |
| 770 | |
| 771 time_t | |
| 772 ngx_atotm(u_char *line, size_t n) | |
| 773 { | |
| 774 time_t value; | |
| 775 | |
| 776 if (n == 0) { | |
| 777 return NGX_ERROR; | |
| 778 } | |
| 779 | |
| 780 for (value = 0; n--; line++) { | |
| 781 if (*line < '0' || *line > '9') { | |
| 782 return NGX_ERROR; | |
| 783 } | |
| 784 | |
| 785 value = value * 10 + (*line - '0'); | |
| 786 } | |
| 787 | |
| 788 if (value < 0) { | |
| 789 return NGX_ERROR; | |
| 790 | |
| 791 } else { | |
| 792 return value; | |
| 793 } | |
| 794 } | |
| 795 | |
| 796 | |
| 493 | 797 ngx_int_t |
| 798 ngx_hextoi(u_char *line, size_t n) | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
799 { |
| 783 | 800 u_char c, ch; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
801 ngx_int_t value; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
802 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
803 if (n == 0) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
804 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
805 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
806 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
807 for (value = 0; n--; line++) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
808 ch = *line; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
809 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
810 if (ch >= '0' && ch <= '9') { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
811 value = value * 16 + (ch - '0'); |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
812 continue; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
813 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
814 |
| 783 | 815 c = (u_char) (ch | 0x20); |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
816 |
| 783 | 817 if (c >= 'a' && c <= 'f') { |
| 818 value = value * 16 + (c - 'a' + 10); | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
819 continue; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
820 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
821 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
822 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
823 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
824 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
825 if (value < 0) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
826 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
827 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
828 } else { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
829 return value; |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
830 } |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
831 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
832 |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
833 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
834 u_char * |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
835 ngx_hex_dump(u_char *dst, u_char *src, size_t len) |
|
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
836 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
837 static u_char hex[] = "0123456789abcdef"; |
|
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
838 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
839 while (len--) { |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
840 *dst++ = hex[*src >> 4]; |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
841 *dst++ = hex[*src++ & 0xf]; |
|
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
842 } |
|
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
843 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
844 return dst; |
|
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
845 } |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
846 |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
847 |
| 493 | 848 void |
| 849 ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src) | |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
850 { |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
851 u_char *d, *s; |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
852 size_t len; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
853 static u_char basis64[] = |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
854 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
855 |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
856 len = src->len; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
857 s = src->data; |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
858 d = dst->data; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
859 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
860 while (len > 2) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
861 *d++ = basis64[(s[0] >> 2) & 0x3f]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
862 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
863 *d++ = basis64[((s[1] & 0x0f) << 2) | (s[2] >> 6)]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
864 *d++ = basis64[s[2] & 0x3f]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
865 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
866 s += 3; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
867 len -= 3; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
868 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
869 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
870 if (len) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
871 *d++ = basis64[(s[0] >> 2) & 0x3f]; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
872 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
873 if (len == 1) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
874 *d++ = basis64[(s[0] & 3) << 4]; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
875 *d++ = '='; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
876 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
877 } else { |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
878 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
879 *d++ = basis64[(s[1] & 0x0f) << 2]; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
880 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
881 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
882 *d++ = '='; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
883 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
884 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
885 dst->len = d - dst->data; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
886 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
887 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
888 |
| 493 | 889 ngx_int_t |
| 890 ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src) | |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
891 { |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
892 size_t len; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
893 u_char *d, *s; |
| 827 | 894 static u_char basis64[] = { |
| 895 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 896 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 897 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, | |
| 898 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
| 899 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
| 900 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
| 901 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
| 902 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 77, 77, 77, 77, 77, | |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
903 |
| 827 | 904 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
| 905 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 906 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 907 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 908 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 909 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 910 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 911 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
| 912 }; | |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
913 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
914 for (len = 0; len < src->len; len++) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
915 if (src->data[len] == '=') { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
916 break; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
917 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
918 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
919 if (basis64[src->data[len]] == 77) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
920 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
921 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
922 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
923 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
924 if (len % 4 == 1) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
925 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
926 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
927 |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
928 s = src->data; |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
929 d = dst->data; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
930 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
931 while (len > 3) { |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
932 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4); |
|
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
933 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2); |
|
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
934 *d++ = (u_char) (basis64[s[2]] << 6 | basis64[s[3]]); |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
935 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
936 s += 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
937 len -= 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
938 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
939 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
940 if (len > 1) { |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
941 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4); |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
942 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
943 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
944 if (len > 2) { |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
945 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2); |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
946 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
947 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
948 dst->len = d - dst->data; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
949 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
950 return NGX_OK; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
951 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
952 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
953 |
| 657 | 954 /* |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
955 * ngx_utf8_decode() decodes two and more bytes UTF sequences only |
| 657 | 956 * the return values: |
| 957 * 0x80 - 0x10ffff valid character | |
| 2120 | 958 * 0x110000 - 0xfffffffd invalid sequence |
| 657 | 959 * 0xfffffffe incomplete sequence |
| 960 * 0xffffffff error | |
| 961 */ | |
| 962 | |
| 963 uint32_t | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
964 ngx_utf8_decode(u_char **p, size_t n) |
| 657 | 965 { |
| 966 size_t len; | |
| 967 uint32_t u, i, valid; | |
| 968 | |
| 969 u = **p; | |
| 970 | |
| 971 if (u > 0xf0) { | |
| 972 | |
| 973 u &= 0x07; | |
| 974 valid = 0xffff; | |
| 975 len = 3; | |
| 976 | |
| 977 } else if (u > 0xe0) { | |
| 978 | |
| 979 u &= 0x0f; | |
| 980 valid = 0x7ff; | |
| 981 len = 2; | |
| 982 | |
| 983 } else if (u > 0xc0) { | |
| 984 | |
| 985 u &= 0x1f; | |
| 986 valid = 0x7f; | |
| 987 len = 1; | |
| 988 | |
| 989 } else { | |
| 990 (*p)++; | |
| 991 return 0xffffffff; | |
| 992 } | |
| 993 | |
| 994 if (n - 1 < len) { | |
| 995 return 0xfffffffe; | |
| 996 } | |
| 997 | |
| 998 (*p)++; | |
| 999 | |
| 1000 while (len) { | |
| 1001 i = *(*p)++; | |
| 1002 | |
| 1003 if (i < 0x80) { | |
| 1004 return 0xffffffff; | |
| 1005 } | |
| 1006 | |
| 1007 u = (u << 6) | (i & 0x3f); | |
| 1008 | |
| 1009 len--; | |
| 1010 } | |
| 1011 | |
| 1012 if (u > valid) { | |
| 1013 return u; | |
| 1014 } | |
| 1015 | |
| 1016 return 0xffffffff; | |
| 1017 } | |
| 1018 | |
| 1019 | |
| 523 | 1020 size_t |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1021 ngx_utf8_length(u_char *p, size_t n) |
| 523 | 1022 { |
| 2120 | 1023 u_char c, *last; |
| 1024 size_t len; | |
| 523 | 1025 |
| 2120 | 1026 last = p + n; |
| 523 | 1027 |
| 2120 | 1028 for (len = 0; p < last; len++) { |
| 1029 | |
| 1030 c = *p; | |
| 523 | 1031 |
| 1032 if (c < 0x80) { | |
| 2120 | 1033 p++; |
| 523 | 1034 continue; |
| 1035 } | |
| 1036 | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1037 if (ngx_utf8_decode(&p, n) > 0x10ffff) { |
|
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1038 /* invalid UTF-8 */ |
| 2120 | 1039 return n; |
| 523 | 1040 } |
| 1041 } | |
| 1042 | |
| 1043 return len; | |
| 1044 } | |
| 1045 | |
| 1046 | |
| 527 | 1047 u_char * |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1048 ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len) |
| 527 | 1049 { |
| 2120 | 1050 u_char c, *next; |
| 527 | 1051 |
| 1052 if (n == 0) { | |
| 1053 return dst; | |
| 1054 } | |
| 1055 | |
| 2120 | 1056 while (--n) { |
| 527 | 1057 |
| 1058 c = *src; | |
| 1059 *dst = c; | |
| 1060 | |
| 1061 if (c < 0x80) { | |
| 2120 | 1062 |
| 1063 if (c != '\0') { | |
| 1064 dst++; | |
| 1065 src++; | |
| 1066 len--; | |
| 1067 | |
| 527 | 1068 continue; |
| 1069 } | |
| 1070 | |
| 1071 return dst; | |
| 1072 } | |
| 1073 | |
| 2120 | 1074 next = src; |
| 527 | 1075 |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1076 if (ngx_utf8_decode(&next, len) > 0x10ffff) { |
|
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1077 /* invalid UTF-8 */ |
| 2120 | 1078 break; |
| 527 | 1079 } |
| 1080 | |
| 2120 | 1081 len--; |
| 1082 | |
| 1083 while (src < next) { | |
| 1084 *++dst = *++src; | |
| 1085 len--; | |
| 1086 } | |
| 527 | 1087 } |
| 1088 | |
| 1089 *dst = '\0'; | |
| 1090 | |
| 1091 return dst; | |
| 1092 } | |
| 1093 | |
| 1094 | |
| 493 | 1095 uintptr_t |
| 1096 ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type) | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1097 { |
| 827 | 1098 ngx_uint_t i, n; |
| 1099 uint32_t *escape; | |
| 1100 static u_char hex[] = "0123456789abcdef"; | |
| 461 | 1101 |
| 827 | 1102 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
| 485 | 1103 |
| 827 | 1104 static uint32_t uri[] = { |
| 1105 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1106 |
| 827 | 1107 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1108 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
| 1109 | |
| 1110 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1111 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 452 | 1112 |
| 827 | 1113 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1114 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1115 |
| 827 | 1116 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1117 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1118 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1119 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1120 }; | |
| 452 | 1121 |
| 827 | 1122 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */ |
| 485 | 1123 |
| 827 | 1124 static uint32_t args[] = { |
| 1125 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1126 | |
| 1127 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
| 1128 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */ | |
| 485 | 1129 |
| 827 | 1130 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
| 1131 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1132 |
| 827 | 1133 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1134 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1135 |
| 827 | 1136 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1137 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1138 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1139 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1140 }; | |
| 485 | 1141 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1142 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
| 485 | 1143 |
| 827 | 1144 static uint32_t html[] = { |
| 1145 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 461 | 1146 |
| 827 | 1147 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1297 | 1148 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
| 827 | 1149 |
| 1150 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1151 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1152 |
| 827 | 1153 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1154 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1155 |
| 827 | 1156 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1157 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1158 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1159 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1160 }; | |
| 461 | 1161 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1162 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
| 461 | 1163 |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1164 static uint32_t refresh[] = { |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1165 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1166 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1167 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1629
12a656452ad1
do not encode already encoded characters in msie_refresh
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1168 0x00000085, /* 0000 0000 0000 0000 0000 0000 1000 0101 */ |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1169 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1170 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1171 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1172 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1173 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1174 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1175 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1176 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1177 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1178 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1179 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1180 }; |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1181 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1182 /* " ", "%", %00-%1F */ |
|
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1183 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1184 static uint32_t memcached[] = { |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1185 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1186 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1187 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1188 0x00000021, /* 0000 0000 0000 0000 0000 0000 0010 0001 */ |
|
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1189 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1190 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1191 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1192 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1193 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1194 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1195 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1196 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1197 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1198 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1199 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1200 }; |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1201 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1202 /* mail_auth is the same as memcached */ |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1203 |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1204 static uint32_t *map[] = |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1205 { uri, args, html, refresh, memcached, memcached }; |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1206 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1207 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1208 escape = map[type]; |
| 461 | 1209 |
| 452 | 1210 if (dst == NULL) { |
| 1211 | |
| 1212 /* find the number of the characters to be escaped */ | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1213 |
| 452 | 1214 n = 0; |
| 1215 | |
| 1216 for (i = 0; i < size; i++) { | |
| 1217 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
| 1218 n++; | |
| 1219 } | |
| 1220 src++; | |
| 1221 } | |
| 1222 | |
| 485 | 1223 return (uintptr_t) n; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1224 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1225 |
| 452 | 1226 for (i = 0; i < size; i++) { |
| 1227 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
| 1228 *dst++ = '%'; | |
| 1229 *dst++ = hex[*src >> 4]; | |
| 1230 *dst++ = hex[*src & 0xf]; | |
| 1231 src++; | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1232 |
| 452 | 1233 } else { |
| 1234 *dst++ = *src++; | |
| 1235 } | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1236 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1237 |
| 485 | 1238 return (uintptr_t) dst; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1239 } |
| 577 | 1240 |
| 1241 | |
| 1242 void | |
| 601 | 1243 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
| 577 | 1244 { |
| 1245 u_char *d, *s, ch, c, decoded; | |
| 1246 enum { | |
| 1247 sw_usual = 0, | |
| 1248 sw_quoted, | |
| 1249 sw_quoted_second | |
| 1250 } state; | |
| 1251 | |
| 1252 d = *dst; | |
| 1253 s = *src; | |
| 1254 | |
| 1255 state = 0; | |
| 1256 decoded = 0; | |
| 1257 | |
| 1258 while (size--) { | |
| 1259 | |
| 1260 ch = *s++; | |
| 1261 | |
| 1262 switch (state) { | |
| 1263 case sw_usual: | |
| 1593 | 1264 if (ch == '?' |
| 1265 && (type & (NGX_UNESCAPE_URI|NGX_UNESCAPE_REDIRECT))) | |
| 1266 { | |
| 577 | 1267 *d++ = ch; |
| 1268 goto done; | |
| 1269 } | |
| 1270 | |
| 1271 if (ch == '%') { | |
| 1272 state = sw_quoted; | |
| 1273 break; | |
| 1274 } | |
| 1275 | |
| 1276 *d++ = ch; | |
| 1277 break; | |
| 1278 | |
| 1279 case sw_quoted: | |
| 1280 | |
| 1281 if (ch >= '0' && ch <= '9') { | |
| 1282 decoded = (u_char) (ch - '0'); | |
| 1283 state = sw_quoted_second; | |
| 1284 break; | |
| 1285 } | |
| 1286 | |
| 1287 c = (u_char) (ch | 0x20); | |
| 1288 if (c >= 'a' && c <= 'f') { | |
| 1289 decoded = (u_char) (c - 'a' + 10); | |
| 1290 state = sw_quoted_second; | |
| 1291 break; | |
| 1292 } | |
| 1293 | |
| 589 | 1294 /* the invalid quoted character */ |
| 577 | 1295 |
| 589 | 1296 state = sw_usual; |
| 1297 | |
| 1298 *d++ = ch; | |
| 577 | 1299 |
| 1300 break; | |
| 1301 | |
| 1302 case sw_quoted_second: | |
| 1303 | |
| 589 | 1304 state = sw_usual; |
| 1305 | |
| 577 | 1306 if (ch >= '0' && ch <= '9') { |
| 1307 ch = (u_char) ((decoded << 4) + ch - '0'); | |
| 1308 | |
| 1593 | 1309 if (type & NGX_UNESCAPE_REDIRECT) { |
| 601 | 1310 if (ch > '%' && ch < 0x7f) { |
| 1311 *d++ = ch; | |
| 1312 break; | |
| 1313 } | |
| 1314 | |
| 1315 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 1316 | |
| 577 | 1317 break; |
| 1318 } | |
| 1319 | |
| 601 | 1320 *d++ = ch; |
| 577 | 1321 |
| 1322 break; | |
| 1323 } | |
| 1324 | |
| 1325 c = (u_char) (ch | 0x20); | |
| 1326 if (c >= 'a' && c <= 'f') { | |
| 1327 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
| 1328 | |
| 1593 | 1329 if (type & NGX_UNESCAPE_URI) { |
| 1330 if (ch == '?') { | |
| 1331 *d++ = ch; | |
| 1332 goto done; | |
| 1333 } | |
| 1334 | |
| 1335 *d++ = ch; | |
| 1336 break; | |
| 1337 } | |
| 1338 | |
| 1339 if (type & NGX_UNESCAPE_REDIRECT) { | |
| 601 | 1340 if (ch == '?') { |
| 1341 *d++ = ch; | |
| 1342 goto done; | |
| 1343 } | |
| 577 | 1344 |
| 601 | 1345 if (ch > '%' && ch < 0x7f) { |
| 1346 *d++ = ch; | |
| 1347 break; | |
| 1348 } | |
| 1349 | |
| 1350 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 577 | 1351 break; |
| 1352 } | |
| 1353 | |
| 601 | 1354 *d++ = ch; |
| 577 | 1355 |
| 1356 break; | |
| 1357 } | |
| 1358 | |
| 589 | 1359 /* the invalid quoted character */ |
| 577 | 1360 |
| 1361 break; | |
| 1362 } | |
| 1363 } | |
| 1364 | |
| 1365 done: | |
| 1366 | |
| 1367 *dst = d; | |
| 1368 *src = s; | |
| 1369 } | |
| 583 | 1370 |
| 1371 | |
| 1544 | 1372 uintptr_t |
| 1373 ngx_escape_html(u_char *dst, u_char *src, size_t size) | |
| 1374 { | |
| 1375 u_char ch; | |
| 1376 ngx_uint_t i, len; | |
| 1377 | |
| 1378 if (dst == NULL) { | |
| 1379 | |
| 1380 len = 0; | |
| 1381 | |
| 1382 for (i = 0; i < size; i++) { | |
| 1383 switch (*src++) { | |
| 1384 | |
| 1385 case '<': | |
| 1386 len += sizeof("<") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1387 break; |
| 1544 | 1388 |
| 1389 case '>': | |
| 1390 len += sizeof(">") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1391 break; |
| 1544 | 1392 |
| 1393 case '&': | |
| 1394 len += sizeof("&") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1395 break; |
| 1544 | 1396 |
| 1397 default: | |
| 1398 break; | |
| 1399 } | |
| 1400 } | |
| 1401 | |
| 1402 return (uintptr_t) len; | |
| 1403 } | |
| 1404 | |
| 1405 for (i = 0; i < size; i++) { | |
| 1406 ch = *src++; | |
| 1407 | |
| 1408 switch (ch) { | |
| 1409 | |
| 1410 case '<': | |
| 1411 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';'; | |
| 1412 break; | |
| 1413 | |
| 1414 case '>': | |
| 1415 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';'; | |
| 1416 break; | |
| 1417 | |
| 1418 case '&': | |
| 1419 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p'; | |
| 1420 *dst++ = ';'; | |
| 1421 break; | |
| 1422 | |
| 1423 default: | |
| 1424 *dst++ = ch; | |
| 1425 break; | |
| 1426 } | |
| 1427 } | |
| 1428 | |
| 1429 return (uintptr_t) dst; | |
| 1430 } | |
| 1431 | |
| 1432 | |
| 1208 | 1433 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
| 1434 | |
| 1435 void | |
| 1436 ngx_sort(void *base, size_t n, size_t size, | |
|
1956
cb8c0c8e0c27
use ngx_int_t in ngx_sort() callback
Igor Sysoev <igor@sysoev.ru>
parents:
1955
diff
changeset
|
1437 ngx_int_t (*cmp)(const void *, const void *)) |
| 1208 | 1438 { |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1439 u_char *p1, *p2, *p; |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1440 |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1441 p = ngx_alloc(size, ngx_cycle->log); |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1442 if (p == NULL) { |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1443 return; |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1444 } |
| 1208 | 1445 |
| 1446 for (p1 = (u_char *) base + size; | |
| 1447 p1 < (u_char *) base + n * size; | |
| 1448 p1 += size) | |
| 1449 { | |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1450 ngx_memcpy(p, p1, size); |
| 1208 | 1451 |
| 1452 for (p2 = p1; | |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1453 p2 > (u_char *) base && cmp(p2 - size, p) > 0; |
| 1208 | 1454 p2 -= size) |
| 1455 { | |
| 1456 ngx_memcpy(p2, p2 - size, size); | |
| 1457 } | |
| 1458 | |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1459 ngx_memcpy(p2, p, size); |
| 1208 | 1460 } |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1461 |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1462 ngx_free(p); |
| 1208 | 1463 } |
| 1464 | |
| 1465 | |
| 583 | 1466 #if (NGX_MEMCPY_LIMIT) |
| 1467 | |
| 1468 void * | |
| 1469 ngx_memcpy(void *dst, void *src, size_t n) | |
| 1470 { | |
| 1471 if (n > NGX_MEMCPY_LIMIT) { | |
| 1472 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
| 1473 ngx_debug_point(); | |
| 1474 } | |
| 1475 | |
| 1476 return memcpy(dst, src, n); | |
| 1477 } | |
| 1478 | |
| 1479 #endif |