Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 2197:74477ea8074f
*) remove zero termination in ngx_inet_ntop() and ngx_sock_ntop()
*) use ngx_snprintf() in ngx_inet_ntop() and ngx_sock_ntop()
as they are called just once per connection
*) NGX_INET_ADDRSTRLEN
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 21 Aug 2008 18:47:23 +0000 |
| parents | 8c6521eedf84 |
| children | 0433bc27e468 |
| 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 |
| 2135 | 11 void |
| 12 ngx_strlow(u_char *dst, u_char *src, size_t n) | |
| 13 { | |
| 14 while (n--) { | |
| 15 *dst = ngx_tolower(*src); | |
| 16 dst++; | |
| 17 src++; | |
| 18 } | |
| 19 } | |
| 20 | |
| 21 | |
| 493 | 22 u_char * |
| 23 ngx_cpystrn(u_char *dst, u_char *src, size_t n) | |
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24 { |
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25 if (n == 0) { |
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26 return dst; |
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27 } |
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| 517 | 29 for ( /* void */ ; --n; dst++, src++) { |
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30 *dst = *src; |
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31 |
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32 if (*dst == '\0') { |
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33 return dst; |
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34 } |
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35 } |
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36 |
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37 *dst = '\0'; |
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39 return dst; |
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40 } |
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41 |
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42 |
| 493 | 43 u_char * |
| 44 ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src) | |
| 485 | 45 { |
| 46 u_char *dst; | |
| 47 | |
| 2049 | 48 dst = ngx_pnalloc(pool, src->len); |
| 501 | 49 if (dst == NULL) { |
| 485 | 50 return NULL; |
| 51 } | |
| 52 | |
| 53 ngx_memcpy(dst, src->data, src->len); | |
| 54 | |
| 55 return dst; | |
| 56 } | |
| 57 | |
| 58 | |
| 455 | 59 /* |
| 60 * supported formats: | |
| 473 | 61 * %[0][width][x][X]O off_t |
| 461 | 62 * %[0][width]T time_t |
| 63 * %[0][width][u][x|X]z ssize_t/size_t | |
| 64 * %[0][width][u][x|X]d int/u_int | |
| 65 * %[0][width][u][x|X]l long | |
| 66 * %[0][width|m][u][x|X]i ngx_int_t/ngx_uint_t | |
| 67 * %[0][width][u][x|X]D int32_t/uint32_t | |
| 68 * %[0][width][u][x|X]L int64_t/uint64_t | |
| 495 | 69 * %[0][width|m][u][x|X]A ngx_atomic_int_t/ngx_atomic_uint_t |
| 461 | 70 * %P ngx_pid_t |
| 557 | 71 * %M ngx_msec_t |
| 461 | 72 * %r rlim_t |
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73 * %p void * |
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74 * %V ngx_str_t * |
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75 * %v ngx_variable_value_t * |
| 461 | 76 * %s null-terminated string |
| 1773 | 77 * %*s length and string |
| 461 | 78 * %Z '\0' |
| 525 | 79 * %N '\n' |
| 461 | 80 * %c char |
| 81 * %% % | |
| 455 | 82 * |
| 461 | 83 * reserved: |
| 84 * %t ptrdiff_t | |
| 85 * %S null-teminated wchar string | |
| 86 * %C wchar | |
| 455 | 87 */ |
| 88 | |
| 461 | 89 |
| 503 | 90 u_char * ngx_cdecl |
| 493 | 91 ngx_sprintf(u_char *buf, const char *fmt, ...) |
| 461 | 92 { |
| 93 u_char *p; | |
| 94 va_list args; | |
| 95 | |
| 96 va_start(args, fmt); | |
| 97 p = ngx_vsnprintf(buf, /* STUB */ 65536, fmt, args); | |
| 98 va_end(args); | |
| 99 | |
| 100 return p; | |
| 101 } | |
| 102 | |
| 103 | |
| 503 | 104 u_char * ngx_cdecl |
| 493 | 105 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...) |
| 455 | 106 { |
| 461 | 107 u_char *p; |
| 108 va_list args; | |
| 109 | |
| 110 va_start(args, fmt); | |
| 111 p = ngx_vsnprintf(buf, max, fmt, args); | |
| 112 va_end(args); | |
| 113 | |
| 114 return p; | |
| 115 } | |
| 116 | |
| 455 | 117 |
| 493 | 118 u_char * |
| 119 ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args) | |
| 461 | 120 { |
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121 u_char *p, zero, *last, temp[NGX_INT64_LEN + 1]; |
| 479 | 122 /* |
| 123 * really we need temp[NGX_INT64_LEN] only, | |
| 493 | 124 * but icc issues the warning |
| 479 | 125 */ |
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126 int d; |
| 1773 | 127 size_t len, slen; |
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128 uint32_t ui32; |
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129 int64_t i64; |
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130 uint64_t ui64; |
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131 ngx_msec_t ms; |
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132 ngx_uint_t width, sign, hexadecimal, max_width; |
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133 ngx_str_t *v; |
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134 ngx_variable_value_t *vv; |
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135 static u_char hex[] = "0123456789abcdef"; |
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136 static u_char HEX[] = "0123456789ABCDEF"; |
| 455 | 137 |
| 461 | 138 if (max == 0) { |
| 139 return buf; | |
| 140 } | |
| 141 | |
| 142 last = buf + max; | |
| 143 | |
| 144 while (*fmt && buf < last) { | |
| 145 | |
| 146 /* | |
| 147 * "buf < last" means that we could copy at least one character: | |
| 148 * the plain character, "%%", "%c", and minus without the checking | |
| 149 */ | |
| 150 | |
| 455 | 151 if (*fmt == '%') { |
| 152 | |
| 461 | 153 i64 = 0; |
| 154 ui64 = 0; | |
| 155 | |
| 156 zero = (u_char) ((*++fmt == '0') ? '0' : ' '); | |
| 455 | 157 width = 0; |
| 158 sign = 1; | |
| 159 hexadecimal = 0; | |
| 493 | 160 max_width = 0; |
| 1863 | 161 slen = (size_t) -1; |
| 455 | 162 |
| 477 | 163 p = temp + NGX_INT64_LEN; |
| 455 | 164 |
| 165 while (*fmt >= '0' && *fmt <= '9') { | |
| 166 width = width * 10 + *fmt++ - '0'; | |
| 167 } | |
| 168 | |
| 169 | |
| 170 for ( ;; ) { | |
| 171 switch (*fmt) { | |
| 172 | |
| 173 case 'u': | |
| 174 sign = 0; | |
| 175 fmt++; | |
| 176 continue; | |
| 177 | |
| 467 | 178 case 'm': |
| 493 | 179 max_width = 1; |
| 467 | 180 fmt++; |
| 181 continue; | |
| 182 | |
| 461 | 183 case 'X': |
| 184 hexadecimal = 2; | |
| 185 sign = 0; | |
| 186 fmt++; | |
| 187 continue; | |
| 188 | |
| 455 | 189 case 'x': |
| 190 hexadecimal = 1; | |
| 461 | 191 sign = 0; |
| 455 | 192 fmt++; |
| 193 continue; | |
| 194 | |
| 1773 | 195 case '*': |
| 1866 | 196 slen = va_arg(args, size_t); |
| 1773 | 197 fmt++; |
| 198 continue; | |
| 199 | |
| 455 | 200 default: |
| 201 break; | |
| 202 } | |
| 203 | |
| 204 break; | |
| 205 } | |
| 206 | |
| 207 | |
| 208 switch (*fmt) { | |
| 209 | |
| 461 | 210 case 'V': |
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211 v = va_arg(args, ngx_str_t *); |
| 455 | 212 |
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213 len = v->len; |
| 573 | 214 len = (buf + len < last) ? len : (size_t) (last - buf); |
| 215 | |
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216 buf = ngx_cpymem(buf, v->data, len); |
| 461 | 217 fmt++; |
| 455 | 218 |
| 461 | 219 continue; |
| 455 | 220 |
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221 case 'v': |
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222 vv = va_arg(args, ngx_variable_value_t *); |
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223 |
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224 len = vv->len; |
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225 len = (buf + len < last) ? len : (size_t) (last - buf); |
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226 |
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227 buf = ngx_cpymem(buf, vv->data, len); |
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228 fmt++; |
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229 |
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230 continue; |
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231 |
| 455 | 232 case 's': |
| 461 | 233 p = va_arg(args, u_char *); |
| 455 | 234 |
| 1863 | 235 if (slen == (size_t) -1) { |
| 1773 | 236 while (*p && buf < last) { |
| 237 *buf++ = *p++; | |
| 238 } | |
| 239 | |
| 240 } else { | |
| 1867 | 241 len = (buf + slen < last) ? slen : (size_t) (last - buf); |
| 242 | |
| 243 buf = ngx_cpymem(buf, p, len); | |
| 455 | 244 } |
| 1773 | 245 |
| 455 | 246 fmt++; |
| 247 | |
| 248 continue; | |
| 249 | |
| 461 | 250 case 'O': |
| 251 i64 = (int64_t) va_arg(args, off_t); | |
| 252 sign = 1; | |
| 253 break; | |
| 254 | |
| 255 case 'P': | |
| 256 i64 = (int64_t) va_arg(args, ngx_pid_t); | |
| 257 sign = 1; | |
| 258 break; | |
| 259 | |
| 260 case 'T': | |
| 261 i64 = (int64_t) va_arg(args, time_t); | |
| 262 sign = 1; | |
| 263 break; | |
| 264 | |
| 557 | 265 case 'M': |
| 561 | 266 ms = (ngx_msec_t) va_arg(args, ngx_msec_t); |
| 267 if ((ngx_msec_int_t) ms == -1) { | |
| 268 sign = 1; | |
| 269 i64 = -1; | |
| 270 } else { | |
| 271 sign = 0; | |
| 272 ui64 = (uint64_t) ms; | |
| 273 } | |
| 557 | 274 break; |
| 275 | |
| 461 | 276 case 'z': |
| 277 if (sign) { | |
| 278 i64 = (int64_t) va_arg(args, ssize_t); | |
| 279 } else { | |
| 280 ui64 = (uint64_t) va_arg(args, size_t); | |
| 281 } | |
| 282 break; | |
| 283 | |
| 284 case 'i': | |
| 285 if (sign) { | |
| 286 i64 = (int64_t) va_arg(args, ngx_int_t); | |
| 287 } else { | |
| 288 ui64 = (uint64_t) va_arg(args, ngx_uint_t); | |
| 289 } | |
| 493 | 290 |
| 291 if (max_width) { | |
| 292 width = NGX_INT_T_LEN; | |
| 293 } | |
| 294 | |
| 461 | 295 break; |
| 296 | |
| 297 case 'd': | |
| 298 if (sign) { | |
| 299 i64 = (int64_t) va_arg(args, int); | |
| 300 } else { | |
| 301 ui64 = (uint64_t) va_arg(args, u_int); | |
| 302 } | |
| 303 break; | |
| 304 | |
| 305 case 'l': | |
| 306 if (sign) { | |
| 307 i64 = (int64_t) va_arg(args, long); | |
| 308 } else { | |
| 309 ui64 = (uint64_t) va_arg(args, u_long); | |
| 310 } | |
| 311 break; | |
| 312 | |
| 313 case 'D': | |
| 314 if (sign) { | |
| 315 i64 = (int64_t) va_arg(args, int32_t); | |
| 316 } else { | |
| 317 ui64 = (uint64_t) va_arg(args, uint32_t); | |
| 318 } | |
| 319 break; | |
| 320 | |
| 321 case 'L': | |
| 322 if (sign) { | |
| 323 i64 = va_arg(args, int64_t); | |
| 324 } else { | |
| 325 ui64 = va_arg(args, uint64_t); | |
| 326 } | |
| 327 break; | |
| 328 | |
| 493 | 329 case 'A': |
| 330 if (sign) { | |
| 331 i64 = (int64_t) va_arg(args, ngx_atomic_int_t); | |
| 332 } else { | |
| 495 | 333 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); |
| 493 | 334 } |
| 335 | |
| 336 if (max_width) { | |
| 337 width = NGX_ATOMIC_T_LEN; | |
| 338 } | |
| 339 | |
| 340 break; | |
| 341 | |
| 461 | 342 #if !(NGX_WIN32) |
| 343 case 'r': | |
| 344 i64 = (int64_t) va_arg(args, rlim_t); | |
| 345 sign = 1; | |
| 346 break; | |
| 347 #endif | |
| 348 | |
| 349 case 'p': | |
| 350 ui64 = (uintptr_t) va_arg(args, void *); | |
| 351 hexadecimal = 2; | |
| 352 sign = 0; | |
| 353 zero = '0'; | |
| 613 | 354 width = NGX_PTR_SIZE * 2; |
| 461 | 355 break; |
| 356 | |
| 457 | 357 case 'c': |
| 461 | 358 d = va_arg(args, int); |
| 457 | 359 *buf++ = (u_char) (d & 0xff); |
| 360 fmt++; | |
| 361 | |
| 362 continue; | |
| 363 | |
| 461 | 364 case 'Z': |
| 365 *buf++ = '\0'; | |
| 366 fmt++; | |
| 367 | |
| 368 continue; | |
| 369 | |
| 525 | 370 case 'N': |
| 371 #if (NGX_WIN32) | |
| 372 *buf++ = CR; | |
| 373 #endif | |
| 374 *buf++ = LF; | |
| 375 fmt++; | |
| 376 | |
| 377 continue; | |
| 378 | |
| 455 | 379 case '%': |
| 380 *buf++ = '%'; | |
| 381 fmt++; | |
| 382 | |
| 383 continue; | |
| 384 | |
| 385 default: | |
| 386 *buf++ = *fmt++; | |
| 387 | |
| 388 continue; | |
| 389 } | |
| 390 | |
| 461 | 391 if (sign) { |
| 392 if (i64 < 0) { | |
| 393 *buf++ = '-'; | |
| 394 ui64 = (uint64_t) -i64; | |
| 395 | |
| 396 } else { | |
| 397 ui64 = (uint64_t) i64; | |
| 398 } | |
| 399 } | |
| 400 | |
| 401 if (hexadecimal == 1) { | |
| 402 do { | |
| 403 | |
| 404 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 405 *--p = hex[(uint32_t) (ui64 & 0xf)]; | |
| 406 | |
| 407 } while (ui64 >>= 4); | |
| 408 | |
| 409 } else if (hexadecimal == 2) { | |
| 410 do { | |
| 411 | |
| 412 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 413 *--p = HEX[(uint32_t) (ui64 & 0xf)]; | |
| 414 | |
| 415 } while (ui64 >>= 4); | |
| 416 | |
| 417 } else if (ui64 <= NGX_MAX_UINT32_VALUE) { | |
| 418 | |
| 419 /* | |
| 420 * To divide 64-bit number and to find the remainder | |
| 421 * on the x86 platform gcc and icc call the libc functions | |
| 422 * [u]divdi3() and [u]moddi3(), they call another function | |
| 493 | 423 * in its turn. On FreeBSD it is the qdivrem() function, |
| 461 | 424 * its source code is about 170 lines of the code. |
| 425 * The glibc counterpart is about 150 lines of the code. | |
| 426 * | |
| 493 | 427 * For 32-bit numbers and some divisors gcc and icc use |
| 428 * the inlined multiplication and shifts. For example, | |
| 429 * unsigned "i32 / 10" is compiled to | |
| 430 * | |
| 431 * (i32 * 0xCCCCCCCD) >> 35 | |
| 461 | 432 */ |
| 433 | |
| 434 ui32 = (uint32_t) ui64; | |
| 435 | |
| 436 do { | |
| 437 *--p = (u_char) (ui32 % 10 + '0'); | |
| 438 } while (ui32 /= 10); | |
| 439 | |
| 440 } else { | |
| 441 do { | |
| 442 *--p = (u_char) (ui64 % 10 + '0'); | |
| 443 } while (ui64 /= 10); | |
| 444 } | |
| 445 | |
| 477 | 446 len = (temp + NGX_INT64_LEN) - p; |
| 455 | 447 |
| 461 | 448 while (len++ < width && buf < last) { |
| 449 *buf++ = zero; | |
| 455 | 450 } |
| 451 | |
| 477 | 452 len = (temp + NGX_INT64_LEN) - p; |
| 461 | 453 if (buf + len > last) { |
| 454 len = last - buf; | |
| 455 } | |
| 456 | |
| 457 buf = ngx_cpymem(buf, p, len); | |
| 455 | 458 |
| 459 fmt++; | |
| 460 | |
| 461 } else { | |
| 462 *buf++ = *fmt++; | |
| 463 } | |
| 464 } | |
| 465 | |
| 466 return buf; | |
| 467 } | |
| 468 | |
| 469 | |
|
1107
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470 /* |
| 1541 | 471 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII strings only, |
|
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472 * and implement our own ngx_strcasecmp()/ngx_strncasecmp() |
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473 * to avoid libc locale overhead. Besides, we use the ngx_uint_t's |
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474 * instead of the u_char's, because they are slightly faster. |
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475 */ |
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476 |
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477 ngx_int_t |
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478 ngx_strcasecmp(u_char *s1, u_char *s2) |
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479 { |
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480 ngx_uint_t c1, c2; |
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481 |
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482 for ( ;; ) { |
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483 c1 = (ngx_uint_t) *s1++; |
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484 c2 = (ngx_uint_t) *s2++; |
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485 |
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486 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
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487 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
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488 |
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489 if (c1 == c2) { |
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490 |
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491 if (c1) { |
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492 continue; |
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493 } |
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494 |
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495 return 0; |
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496 } |
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497 |
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498 return c1 - c2; |
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499 } |
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500 } |
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501 |
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502 |
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503 ngx_int_t |
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504 ngx_strncasecmp(u_char *s1, u_char *s2, size_t n) |
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505 { |
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506 ngx_uint_t c1, c2; |
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507 |
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508 while (n) { |
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509 c1 = (ngx_uint_t) *s1++; |
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510 c2 = (ngx_uint_t) *s2++; |
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511 |
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512 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
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513 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
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514 |
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515 if (c1 == c2) { |
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516 |
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517 if (c1) { |
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518 n--; |
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519 continue; |
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520 } |
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521 |
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522 return 0; |
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523 } |
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|
524 |
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525 return c1 - c2; |
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526 } |
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527 |
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528 return 0; |
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529 } |
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|
530 |
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|
531 |
| 1552 | 532 u_char * |
| 533 ngx_strnstr(u_char *s1, char *s2, size_t len) | |
| 534 { | |
| 535 u_char c1, c2; | |
| 536 size_t n; | |
| 537 | |
| 538 c2 = *(u_char *) s2++; | |
| 539 | |
| 540 n = ngx_strlen(s2); | |
| 541 | |
| 542 do { | |
| 543 do { | |
| 544 if (len-- == 0) { | |
| 545 return NULL; | |
| 546 } | |
| 547 | |
| 548 c1 = *s1++; | |
| 549 | |
| 550 if (c1 == 0) { | |
| 551 return NULL; | |
| 552 } | |
| 553 | |
| 554 } while (c1 != c2); | |
| 555 | |
| 556 if (n > len) { | |
| 557 return NULL; | |
| 558 } | |
| 559 | |
| 560 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); | |
| 561 | |
| 562 return --s1; | |
| 563 } | |
| 564 | |
| 565 | |
| 1550 | 566 /* |
| 567 * ngx_strstrn() and ngx_strcasestrn() are intended to search for static | |
| 568 * substring with known length in null-terminated string. The argument n | |
| 569 * must be length of the second substring - 1. | |
| 570 */ | |
| 571 | |
|
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|
572 u_char * |
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|
573 ngx_strstrn(u_char *s1, char *s2, size_t n) |
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574 { |
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575 u_char c1, c2; |
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|
576 |
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577 c2 = *(u_char *) s2++; |
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|
578 |
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|
579 do { |
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|
580 do { |
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|
581 c1 = *s1++; |
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|
582 |
|
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|
583 if (c1 == 0) { |
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|
584 return NULL; |
|
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|
585 } |
|
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|
586 |
|
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|
587 } while (c1 != c2); |
|
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|
588 |
|
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|
589 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); |
|
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|
590 |
|
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591 return --s1; |
|
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|
592 } |
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|
593 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
594 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
595 u_char * |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
596 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
|
597 { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
598 ngx_uint_t c1, c2; |
|
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 c2 = (ngx_uint_t) *s2++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
601 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
602 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
603 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
604 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
605 c1 = (ngx_uint_t) *s1++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
606 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
607 if (c1 == 0) { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
608 return NULL; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
609 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
610 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
611 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
612 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
613 } while (c1 != c2); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
614 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
615 } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
616 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
617 return --s1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
618 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
619 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
620 |
| 493 | 621 ngx_int_t |
| 622 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
|
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 for ( ;; ) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
631 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
|
632 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
|
633 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
634 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
635 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
636 return 0; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
637 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
638 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
639 n--; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
640 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
641 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
642 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
643 |
| 493 | 644 ngx_int_t |
| 645 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
| 455 | 646 { |
| 647 u_char c1, c2; | |
| 648 | |
| 649 if (n == 0) { | |
| 650 return 0; | |
| 651 } | |
| 652 | |
| 653 n--; | |
| 654 | |
| 655 for ( ;; ) { | |
| 656 c1 = s1[n]; | |
| 657 if (c1 >= 'a' && c1 <= 'z') { | |
| 658 c1 -= 'a' - 'A'; | |
| 659 } | |
| 660 | |
| 661 c2 = s2[n]; | |
| 662 if (c2 >= 'a' && c2 <= 'z') { | |
| 663 c2 -= 'a' - 'A'; | |
| 664 } | |
| 665 | |
| 666 if (c1 != c2) { | |
| 667 return c1 - c2; | |
| 668 } | |
| 669 | |
| 670 if (n == 0) { | |
| 671 return 0; | |
| 672 } | |
| 673 | |
| 674 n--; | |
| 675 } | |
| 676 } | |
| 677 | |
| 678 | |
| 493 | 679 ngx_int_t |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
680 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
| 1024 | 681 { |
| 682 size_t n; | |
| 683 ngx_int_t m, z; | |
| 684 | |
| 685 if (n1 <= n2) { | |
| 686 n = n1; | |
| 687 z = -1; | |
| 688 | |
| 689 } else { | |
| 690 n = n2; | |
| 691 z = 1; | |
| 692 } | |
| 693 | |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
694 m = ngx_memcmp(s1, s2, n); |
| 1024 | 695 |
| 696 if (m || n1 == n2) { | |
| 697 return m; | |
| 698 } | |
| 699 | |
| 700 return z; | |
| 701 } | |
| 702 | |
| 703 | |
| 704 ngx_int_t | |
| 493 | 705 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
|
706 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
707 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
|
708 |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
709 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
710 return NGX_ERROR; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
711 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
712 |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
713 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
|
714 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
|
715 return NGX_ERROR; |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
716 } |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
717 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
718 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
|
719 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
720 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
721 if (value < 0) { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
722 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
|
723 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
724 } else { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
725 return value; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
726 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
727 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
728 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
729 |
| 501 | 730 ssize_t |
| 731 ngx_atosz(u_char *line, size_t n) | |
| 732 { | |
| 733 ssize_t value; | |
| 734 | |
| 735 if (n == 0) { | |
| 736 return NGX_ERROR; | |
| 737 } | |
| 738 | |
| 739 for (value = 0; n--; line++) { | |
| 740 if (*line < '0' || *line > '9') { | |
| 741 return NGX_ERROR; | |
| 742 } | |
| 743 | |
| 744 value = value * 10 + (*line - '0'); | |
| 745 } | |
| 746 | |
| 747 if (value < 0) { | |
| 748 return NGX_ERROR; | |
| 749 | |
| 750 } else { | |
| 751 return value; | |
| 752 } | |
| 753 } | |
| 754 | |
| 755 | |
| 756 off_t | |
| 757 ngx_atoof(u_char *line, size_t n) | |
| 758 { | |
| 759 off_t value; | |
| 760 | |
| 761 if (n == 0) { | |
| 762 return NGX_ERROR; | |
| 763 } | |
| 764 | |
| 765 for (value = 0; n--; line++) { | |
| 766 if (*line < '0' || *line > '9') { | |
| 767 return NGX_ERROR; | |
| 768 } | |
| 769 | |
| 770 value = value * 10 + (*line - '0'); | |
| 771 } | |
| 772 | |
| 773 if (value < 0) { | |
| 774 return NGX_ERROR; | |
| 775 | |
| 776 } else { | |
| 777 return value; | |
| 778 } | |
| 779 } | |
| 780 | |
| 781 | |
| 782 time_t | |
| 783 ngx_atotm(u_char *line, size_t n) | |
| 784 { | |
| 785 time_t value; | |
| 786 | |
| 787 if (n == 0) { | |
| 788 return NGX_ERROR; | |
| 789 } | |
| 790 | |
| 791 for (value = 0; n--; line++) { | |
| 792 if (*line < '0' || *line > '9') { | |
| 793 return NGX_ERROR; | |
| 794 } | |
| 795 | |
| 796 value = value * 10 + (*line - '0'); | |
| 797 } | |
| 798 | |
| 799 if (value < 0) { | |
| 800 return NGX_ERROR; | |
| 801 | |
| 802 } else { | |
| 803 return value; | |
| 804 } | |
| 805 } | |
| 806 | |
| 807 | |
| 493 | 808 ngx_int_t |
| 809 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
|
810 { |
| 783 | 811 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
|
812 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
|
813 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
814 if (n == 0) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
815 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
816 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
817 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
818 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
|
819 ch = *line; |
|
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 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
|
822 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
|
823 continue; |
|
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 |
| 783 | 826 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
|
827 |
| 783 | 828 if (c >= 'a' && c <= 'f') { |
| 829 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
|
830 continue; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
831 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
832 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
833 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
834 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
835 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
836 if (value < 0) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
837 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
838 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
839 } else { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
840 return value; |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
841 } |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
842 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
843 |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
844 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
845 u_char * |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
846 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
|
847 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
848 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
|
849 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
850 while (len--) { |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
851 *dst++ = hex[*src >> 4]; |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
852 *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
|
853 } |
|
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
854 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
855 return dst; |
|
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
856 } |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
857 |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
858 |
| 493 | 859 void |
| 860 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
|
861 { |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
862 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
|
863 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
|
864 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
|
865 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
866 |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
867 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
|
868 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
|
869 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
|
870 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
871 while (len > 2) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
872 *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
|
873 *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
|
874 *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
|
875 *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
|
876 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
877 s += 3; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
878 len -= 3; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
879 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
880 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
881 if (len) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
882 *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
|
883 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
884 if (len == 1) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
885 *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
|
886 *d++ = '='; |
|
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 } else { |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
889 *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
|
890 *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
|
891 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
892 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
893 *d++ = '='; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
894 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
895 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
896 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
|
897 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
898 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
899 |
| 493 | 900 ngx_int_t |
| 901 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
|
902 { |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
903 size_t len; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
904 u_char *d, *s; |
| 827 | 905 static u_char basis64[] = { |
| 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, 62, 77, 77, 77, 63, | |
| 909 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
| 910 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
| 911 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
| 912 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
| 913 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
|
914 |
| 827 | 915 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
| 916 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 917 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 918 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 919 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 920 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 921 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 922 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
| 923 }; | |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
924 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
925 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
|
926 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
|
927 break; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
928 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
929 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
930 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
|
931 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
932 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
933 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
934 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
935 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
|
936 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
937 } |
|
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 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
|
940 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
|
941 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
942 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
|
943 *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
|
944 *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
|
945 *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
|
946 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
947 s += 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
948 len -= 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
949 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
950 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
951 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
|
952 *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
|
953 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
954 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
955 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
|
956 *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
|
957 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
958 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
959 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
|
960 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
961 return NGX_OK; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
962 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
963 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
964 |
| 657 | 965 /* |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
966 * ngx_utf8_decode() decodes two and more bytes UTF sequences only |
| 657 | 967 * the return values: |
| 968 * 0x80 - 0x10ffff valid character | |
| 2120 | 969 * 0x110000 - 0xfffffffd invalid sequence |
| 657 | 970 * 0xfffffffe incomplete sequence |
| 971 * 0xffffffff error | |
| 972 */ | |
| 973 | |
| 974 uint32_t | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
975 ngx_utf8_decode(u_char **p, size_t n) |
| 657 | 976 { |
| 977 size_t len; | |
| 978 uint32_t u, i, valid; | |
| 979 | |
| 980 u = **p; | |
| 981 | |
| 982 if (u > 0xf0) { | |
| 983 | |
| 984 u &= 0x07; | |
| 985 valid = 0xffff; | |
| 986 len = 3; | |
| 987 | |
| 988 } else if (u > 0xe0) { | |
| 989 | |
| 990 u &= 0x0f; | |
| 991 valid = 0x7ff; | |
| 992 len = 2; | |
| 993 | |
| 994 } else if (u > 0xc0) { | |
| 995 | |
| 996 u &= 0x1f; | |
| 997 valid = 0x7f; | |
| 998 len = 1; | |
| 999 | |
| 1000 } else { | |
| 1001 (*p)++; | |
| 1002 return 0xffffffff; | |
| 1003 } | |
| 1004 | |
| 1005 if (n - 1 < len) { | |
| 1006 return 0xfffffffe; | |
| 1007 } | |
| 1008 | |
| 1009 (*p)++; | |
| 1010 | |
| 1011 while (len) { | |
| 1012 i = *(*p)++; | |
| 1013 | |
| 1014 if (i < 0x80) { | |
| 1015 return 0xffffffff; | |
| 1016 } | |
| 1017 | |
| 1018 u = (u << 6) | (i & 0x3f); | |
| 1019 | |
| 1020 len--; | |
| 1021 } | |
| 1022 | |
| 1023 if (u > valid) { | |
| 1024 return u; | |
| 1025 } | |
| 1026 | |
| 1027 return 0xffffffff; | |
| 1028 } | |
| 1029 | |
| 1030 | |
| 523 | 1031 size_t |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1032 ngx_utf8_length(u_char *p, size_t n) |
| 523 | 1033 { |
| 2120 | 1034 u_char c, *last; |
| 1035 size_t len; | |
| 523 | 1036 |
| 2120 | 1037 last = p + n; |
| 523 | 1038 |
| 2120 | 1039 for (len = 0; p < last; len++) { |
| 1040 | |
| 1041 c = *p; | |
| 523 | 1042 |
| 1043 if (c < 0x80) { | |
| 2120 | 1044 p++; |
| 523 | 1045 continue; |
| 1046 } | |
| 1047 | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1048 if (ngx_utf8_decode(&p, n) > 0x10ffff) { |
|
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1049 /* invalid UTF-8 */ |
| 2120 | 1050 return n; |
| 523 | 1051 } |
| 1052 } | |
| 1053 | |
| 1054 return len; | |
| 1055 } | |
| 1056 | |
| 1057 | |
| 527 | 1058 u_char * |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1059 ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len) |
| 527 | 1060 { |
| 2120 | 1061 u_char c, *next; |
| 527 | 1062 |
| 1063 if (n == 0) { | |
| 1064 return dst; | |
| 1065 } | |
| 1066 | |
| 2120 | 1067 while (--n) { |
| 527 | 1068 |
| 1069 c = *src; | |
| 1070 *dst = c; | |
| 1071 | |
| 1072 if (c < 0x80) { | |
| 2120 | 1073 |
| 1074 if (c != '\0') { | |
| 1075 dst++; | |
| 1076 src++; | |
| 1077 len--; | |
| 1078 | |
| 527 | 1079 continue; |
| 1080 } | |
| 1081 | |
| 1082 return dst; | |
| 1083 } | |
| 1084 | |
| 2120 | 1085 next = src; |
| 527 | 1086 |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1087 if (ngx_utf8_decode(&next, len) > 0x10ffff) { |
|
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1088 /* invalid UTF-8 */ |
| 2120 | 1089 break; |
| 527 | 1090 } |
| 1091 | |
| 2120 | 1092 len--; |
| 1093 | |
| 1094 while (src < next) { | |
| 1095 *++dst = *++src; | |
| 1096 len--; | |
| 1097 } | |
| 527 | 1098 } |
| 1099 | |
| 1100 *dst = '\0'; | |
| 1101 | |
| 1102 return dst; | |
| 1103 } | |
| 1104 | |
| 1105 | |
| 493 | 1106 uintptr_t |
| 1107 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
|
1108 { |
| 827 | 1109 ngx_uint_t i, n; |
| 1110 uint32_t *escape; | |
| 1111 static u_char hex[] = "0123456789abcdef"; | |
| 461 | 1112 |
| 827 | 1113 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
| 485 | 1114 |
| 827 | 1115 static uint32_t uri[] = { |
| 1116 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
|
1117 |
| 827 | 1118 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1119 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
| 1120 | |
| 1121 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1122 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 452 | 1123 |
| 827 | 1124 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1125 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
|
1126 |
| 827 | 1127 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1128 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1129 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1130 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1131 }; | |
| 452 | 1132 |
| 827 | 1133 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */ |
| 485 | 1134 |
| 827 | 1135 static uint32_t args[] = { |
| 1136 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1137 | |
| 1138 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
| 1139 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */ | |
| 485 | 1140 |
| 827 | 1141 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
| 1142 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1143 |
| 827 | 1144 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1145 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1146 |
| 827 | 1147 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1148 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1149 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1150 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1151 }; | |
| 485 | 1152 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1153 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
| 485 | 1154 |
| 827 | 1155 static uint32_t html[] = { |
| 1156 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 461 | 1157 |
| 827 | 1158 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1297 | 1159 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
| 827 | 1160 |
| 1161 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1162 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1163 |
| 827 | 1164 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1165 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1166 |
| 827 | 1167 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1168 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1169 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1170 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1171 }; | |
| 461 | 1172 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1173 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
| 461 | 1174 |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1175 static uint32_t refresh[] = { |
|
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 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1178 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1629
12a656452ad1
do not encode already encoded characters in msie_refresh
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1179 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
|
1180 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1181 /* _^]\ [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
|
1182 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
|
1183 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1184 /* ~}| {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
|
1185 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
|
1186 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1187 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
|
1188 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
|
1189 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
|
1190 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
|
1191 }; |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1192 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1193 /* " ", "%", %00-%1F */ |
|
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1194 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1195 static uint32_t memcached[] = { |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1196 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
|
1197 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1198 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
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parents:
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diff
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|
1199 0x00000021, /* 0000 0000 0000 0000 0000 0000 0010 0001 */ |
|
1333
07ebeeb55700
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parents:
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|
1200 |
|
07ebeeb55700
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|
1201 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1202 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
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|
1203 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1204 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1205 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
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parents:
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diff
changeset
|
1206 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1207 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
|
1208 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
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|
1209 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
|
1210 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
1211 }; |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1212 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1213 /* mail_auth is the same as memcached */ |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1214 |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1215 static uint32_t *map[] = |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1216 { 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
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|
1217 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
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|
1218 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
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|
1219 escape = map[type]; |
| 461 | 1220 |
| 452 | 1221 if (dst == NULL) { |
| 1222 | |
| 1223 /* find the number of the characters to be escaped */ | |
|
69
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nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1224 |
| 452 | 1225 n = 0; |
| 1226 | |
| 1227 for (i = 0; i < size; i++) { | |
| 1228 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
| 1229 n++; | |
| 1230 } | |
| 1231 src++; | |
| 1232 } | |
| 1233 | |
| 485 | 1234 return (uintptr_t) n; |
|
69
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0
diff
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|
1235 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
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parents:
0
diff
changeset
|
1236 |
| 452 | 1237 for (i = 0; i < size; i++) { |
| 1238 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
| 1239 *dst++ = '%'; | |
| 1240 *dst++ = hex[*src >> 4]; | |
| 1241 *dst++ = hex[*src & 0xf]; | |
| 1242 src++; | |
|
69
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Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1243 |
| 452 | 1244 } else { |
| 1245 *dst++ = *src++; | |
| 1246 } | |
|
69
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nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1247 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
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parents:
0
diff
changeset
|
1248 |
| 485 | 1249 return (uintptr_t) dst; |
|
69
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diff
changeset
|
1250 } |
| 577 | 1251 |
| 1252 | |
| 1253 void | |
| 601 | 1254 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
| 577 | 1255 { |
| 1256 u_char *d, *s, ch, c, decoded; | |
| 1257 enum { | |
| 1258 sw_usual = 0, | |
| 1259 sw_quoted, | |
| 1260 sw_quoted_second | |
| 1261 } state; | |
| 1262 | |
| 1263 d = *dst; | |
| 1264 s = *src; | |
| 1265 | |
| 1266 state = 0; | |
| 1267 decoded = 0; | |
| 1268 | |
| 1269 while (size--) { | |
| 1270 | |
| 1271 ch = *s++; | |
| 1272 | |
| 1273 switch (state) { | |
| 1274 case sw_usual: | |
| 1593 | 1275 if (ch == '?' |
| 1276 && (type & (NGX_UNESCAPE_URI|NGX_UNESCAPE_REDIRECT))) | |
| 1277 { | |
| 577 | 1278 *d++ = ch; |
| 1279 goto done; | |
| 1280 } | |
| 1281 | |
| 1282 if (ch == '%') { | |
| 1283 state = sw_quoted; | |
| 1284 break; | |
| 1285 } | |
| 1286 | |
| 1287 *d++ = ch; | |
| 1288 break; | |
| 1289 | |
| 1290 case sw_quoted: | |
| 1291 | |
| 1292 if (ch >= '0' && ch <= '9') { | |
| 1293 decoded = (u_char) (ch - '0'); | |
| 1294 state = sw_quoted_second; | |
| 1295 break; | |
| 1296 } | |
| 1297 | |
| 1298 c = (u_char) (ch | 0x20); | |
| 1299 if (c >= 'a' && c <= 'f') { | |
| 1300 decoded = (u_char) (c - 'a' + 10); | |
| 1301 state = sw_quoted_second; | |
| 1302 break; | |
| 1303 } | |
| 1304 | |
| 589 | 1305 /* the invalid quoted character */ |
| 577 | 1306 |
| 589 | 1307 state = sw_usual; |
| 1308 | |
| 1309 *d++ = ch; | |
| 577 | 1310 |
| 1311 break; | |
| 1312 | |
| 1313 case sw_quoted_second: | |
| 1314 | |
| 589 | 1315 state = sw_usual; |
| 1316 | |
| 577 | 1317 if (ch >= '0' && ch <= '9') { |
| 1318 ch = (u_char) ((decoded << 4) + ch - '0'); | |
| 1319 | |
| 1593 | 1320 if (type & NGX_UNESCAPE_REDIRECT) { |
| 601 | 1321 if (ch > '%' && ch < 0x7f) { |
| 1322 *d++ = ch; | |
| 1323 break; | |
| 1324 } | |
| 1325 | |
| 1326 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 1327 | |
| 577 | 1328 break; |
| 1329 } | |
| 1330 | |
| 601 | 1331 *d++ = ch; |
| 577 | 1332 |
| 1333 break; | |
| 1334 } | |
| 1335 | |
| 1336 c = (u_char) (ch | 0x20); | |
| 1337 if (c >= 'a' && c <= 'f') { | |
| 1338 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
| 1339 | |
| 1593 | 1340 if (type & NGX_UNESCAPE_URI) { |
| 1341 if (ch == '?') { | |
| 1342 *d++ = ch; | |
| 1343 goto done; | |
| 1344 } | |
| 1345 | |
| 1346 *d++ = ch; | |
| 1347 break; | |
| 1348 } | |
| 1349 | |
| 1350 if (type & NGX_UNESCAPE_REDIRECT) { | |
| 601 | 1351 if (ch == '?') { |
| 1352 *d++ = ch; | |
| 1353 goto done; | |
| 1354 } | |
| 577 | 1355 |
| 601 | 1356 if (ch > '%' && ch < 0x7f) { |
| 1357 *d++ = ch; | |
| 1358 break; | |
| 1359 } | |
| 1360 | |
| 1361 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 577 | 1362 break; |
| 1363 } | |
| 1364 | |
| 601 | 1365 *d++ = ch; |
| 577 | 1366 |
| 1367 break; | |
| 1368 } | |
| 1369 | |
| 589 | 1370 /* the invalid quoted character */ |
| 577 | 1371 |
| 1372 break; | |
| 1373 } | |
| 1374 } | |
| 1375 | |
| 1376 done: | |
| 1377 | |
| 1378 *dst = d; | |
| 1379 *src = s; | |
| 1380 } | |
| 583 | 1381 |
| 1382 | |
| 1544 | 1383 uintptr_t |
| 1384 ngx_escape_html(u_char *dst, u_char *src, size_t size) | |
| 1385 { | |
| 1386 u_char ch; | |
| 1387 ngx_uint_t i, len; | |
| 1388 | |
| 1389 if (dst == NULL) { | |
| 1390 | |
| 1391 len = 0; | |
| 1392 | |
| 1393 for (i = 0; i < size; i++) { | |
| 1394 switch (*src++) { | |
| 1395 | |
| 1396 case '<': | |
| 1397 len += sizeof("<") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1398 break; |
| 1544 | 1399 |
| 1400 case '>': | |
| 1401 len += sizeof(">") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1402 break; |
| 1544 | 1403 |
| 1404 case '&': | |
| 1405 len += sizeof("&") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1406 break; |
| 1544 | 1407 |
| 1408 default: | |
| 1409 break; | |
| 1410 } | |
| 1411 } | |
| 1412 | |
| 1413 return (uintptr_t) len; | |
| 1414 } | |
| 1415 | |
| 1416 for (i = 0; i < size; i++) { | |
| 1417 ch = *src++; | |
| 1418 | |
| 1419 switch (ch) { | |
| 1420 | |
| 1421 case '<': | |
| 1422 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';'; | |
| 1423 break; | |
| 1424 | |
| 1425 case '>': | |
| 1426 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';'; | |
| 1427 break; | |
| 1428 | |
| 1429 case '&': | |
| 1430 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p'; | |
| 1431 *dst++ = ';'; | |
| 1432 break; | |
| 1433 | |
| 1434 default: | |
| 1435 *dst++ = ch; | |
| 1436 break; | |
| 1437 } | |
| 1438 } | |
| 1439 | |
| 1440 return (uintptr_t) dst; | |
| 1441 } | |
| 1442 | |
| 1443 | |
| 1208 | 1444 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
| 1445 | |
| 1446 void | |
| 1447 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
|
1448 ngx_int_t (*cmp)(const void *, const void *)) |
| 1208 | 1449 { |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1450 u_char *p1, *p2, *p; |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1451 |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1452 p = ngx_alloc(size, ngx_cycle->log); |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1453 if (p == NULL) { |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1454 return; |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1455 } |
| 1208 | 1456 |
| 1457 for (p1 = (u_char *) base + size; | |
| 1458 p1 < (u_char *) base + n * size; | |
| 1459 p1 += size) | |
| 1460 { | |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1461 ngx_memcpy(p, p1, size); |
| 1208 | 1462 |
| 1463 for (p2 = p1; | |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1464 p2 > (u_char *) base && cmp(p2 - size, p) > 0; |
| 1208 | 1465 p2 -= size) |
| 1466 { | |
| 1467 ngx_memcpy(p2, p2 - size, size); | |
| 1468 } | |
| 1469 | |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1470 ngx_memcpy(p2, p, size); |
| 1208 | 1471 } |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1472 |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1473 ngx_free(p); |
| 1208 | 1474 } |
| 1475 | |
| 1476 | |
| 583 | 1477 #if (NGX_MEMCPY_LIMIT) |
| 1478 | |
| 1479 void * | |
| 1480 ngx_memcpy(void *dst, void *src, size_t n) | |
| 1481 { | |
| 1482 if (n > NGX_MEMCPY_LIMIT) { | |
| 1483 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
| 1484 ngx_debug_point(); | |
| 1485 } | |
| 1486 | |
| 1487 return memcpy(dst, src, n); | |
| 1488 } | |
| 1489 | |
| 1490 #endif |