Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 561:e48ebafc6939 release-0.3.2
nginx-0.3.2-RELEASE import
*) Feature: the Sun Studio 10 C compiler support.
*) Feature: the "proxy_upstream_max_fails",
"proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails", and
"fastcgi_upstream_fail_timeout" directives.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 12 Oct 2005 13:50:36 +0000 |
parents | ecd9c160f25b |
children | 58475592100c |
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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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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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 | |
501 | 37 dst = ngx_palloc(pool, src->len); |
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 |
62 * %p pointer | |
63 * %V pointer to ngx_str_t | |
64 * %s null-terminated string | |
65 * %Z '\0' | |
525 | 66 * %N '\n' |
461 | 67 * %c char |
68 * %% % | |
455 | 69 * |
461 | 70 * reserved: |
71 * %t ptrdiff_t | |
72 * %S null-teminated wchar string | |
73 * %C wchar | |
455 | 74 */ |
75 | |
461 | 76 |
503 | 77 u_char * ngx_cdecl |
493 | 78 ngx_sprintf(u_char *buf, const char *fmt, ...) |
461 | 79 { |
80 u_char *p; | |
81 va_list args; | |
82 | |
83 va_start(args, fmt); | |
84 p = ngx_vsnprintf(buf, /* STUB */ 65536, fmt, args); | |
85 va_end(args); | |
86 | |
87 return p; | |
88 } | |
89 | |
90 | |
503 | 91 u_char * ngx_cdecl |
493 | 92 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...) |
455 | 93 { |
461 | 94 u_char *p; |
95 va_list args; | |
96 | |
97 va_start(args, fmt); | |
98 p = ngx_vsnprintf(buf, max, fmt, args); | |
99 va_end(args); | |
100 | |
101 return p; | |
102 } | |
103 | |
455 | 104 |
493 | 105 u_char * |
106 ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args) | |
461 | 107 { |
479 | 108 u_char *p, zero, *last, temp[NGX_INT64_LEN + 1]; |
109 /* | |
110 * really we need temp[NGX_INT64_LEN] only, | |
493 | 111 * but icc issues the warning |
479 | 112 */ |
461 | 113 int d; |
114 size_t len; | |
115 uint32_t ui32; | |
116 int64_t i64; | |
117 uint64_t ui64; | |
561 | 118 ngx_msec_t ms; |
461 | 119 ngx_str_t *s; |
493 | 120 ngx_uint_t width, sign, hexadecimal, max_width; |
461 | 121 static u_char hex[] = "0123456789abcdef"; |
122 static u_char HEX[] = "0123456789ABCDEF"; | |
455 | 123 |
461 | 124 if (max == 0) { |
125 return buf; | |
126 } | |
127 | |
128 last = buf + max; | |
129 | |
130 while (*fmt && buf < last) { | |
131 | |
132 /* | |
133 * "buf < last" means that we could copy at least one character: | |
134 * the plain character, "%%", "%c", and minus without the checking | |
135 */ | |
136 | |
455 | 137 if (*fmt == '%') { |
138 | |
461 | 139 i64 = 0; |
140 ui64 = 0; | |
141 | |
142 zero = (u_char) ((*++fmt == '0') ? '0' : ' '); | |
455 | 143 width = 0; |
144 sign = 1; | |
145 hexadecimal = 0; | |
493 | 146 max_width = 0; |
455 | 147 |
477 | 148 p = temp + NGX_INT64_LEN; |
455 | 149 |
150 while (*fmt >= '0' && *fmt <= '9') { | |
151 width = width * 10 + *fmt++ - '0'; | |
152 } | |
153 | |
154 | |
155 for ( ;; ) { | |
156 switch (*fmt) { | |
157 | |
158 case 'u': | |
159 sign = 0; | |
160 fmt++; | |
161 continue; | |
162 | |
467 | 163 case 'm': |
493 | 164 max_width = 1; |
467 | 165 fmt++; |
166 continue; | |
167 | |
461 | 168 case 'X': |
169 hexadecimal = 2; | |
170 sign = 0; | |
171 fmt++; | |
172 continue; | |
173 | |
455 | 174 case 'x': |
175 hexadecimal = 1; | |
461 | 176 sign = 0; |
455 | 177 fmt++; |
178 continue; | |
179 | |
180 default: | |
181 break; | |
182 } | |
183 | |
184 break; | |
185 } | |
186 | |
187 | |
188 switch (*fmt) { | |
189 | |
461 | 190 case 'V': |
191 s = va_arg(args, ngx_str_t *); | |
455 | 192 |
461 | 193 len = (buf + s->len < last) ? s->len : (size_t) (last - buf); |
194 buf = ngx_cpymem(buf, s->data, len); | |
195 fmt++; | |
455 | 196 |
461 | 197 continue; |
455 | 198 |
199 case 's': | |
461 | 200 p = va_arg(args, u_char *); |
455 | 201 |
461 | 202 while (*p && buf < last) { |
455 | 203 *buf++ = *p++; |
204 } | |
205 fmt++; | |
206 | |
207 continue; | |
208 | |
461 | 209 case 'O': |
210 i64 = (int64_t) va_arg(args, off_t); | |
211 sign = 1; | |
212 break; | |
213 | |
214 case 'P': | |
215 i64 = (int64_t) va_arg(args, ngx_pid_t); | |
216 sign = 1; | |
217 break; | |
218 | |
219 case 'T': | |
220 i64 = (int64_t) va_arg(args, time_t); | |
221 sign = 1; | |
222 break; | |
223 | |
557 | 224 case 'M': |
561 | 225 ms = (ngx_msec_t) va_arg(args, ngx_msec_t); |
226 if ((ngx_msec_int_t) ms == -1) { | |
227 sign = 1; | |
228 i64 = -1; | |
229 } else { | |
230 sign = 0; | |
231 ui64 = (uint64_t) ms; | |
232 } | |
557 | 233 break; |
234 | |
461 | 235 case 'z': |
236 if (sign) { | |
237 i64 = (int64_t) va_arg(args, ssize_t); | |
238 } else { | |
239 ui64 = (uint64_t) va_arg(args, size_t); | |
240 } | |
241 break; | |
242 | |
243 case 'i': | |
244 if (sign) { | |
245 i64 = (int64_t) va_arg(args, ngx_int_t); | |
246 } else { | |
247 ui64 = (uint64_t) va_arg(args, ngx_uint_t); | |
248 } | |
493 | 249 |
250 if (max_width) { | |
251 width = NGX_INT_T_LEN; | |
252 } | |
253 | |
461 | 254 break; |
255 | |
256 case 'd': | |
257 if (sign) { | |
258 i64 = (int64_t) va_arg(args, int); | |
259 } else { | |
260 ui64 = (uint64_t) va_arg(args, u_int); | |
261 } | |
262 break; | |
263 | |
264 case 'l': | |
265 if (sign) { | |
266 i64 = (int64_t) va_arg(args, long); | |
267 } else { | |
268 ui64 = (uint64_t) va_arg(args, u_long); | |
269 } | |
270 break; | |
271 | |
272 case 'D': | |
273 if (sign) { | |
274 i64 = (int64_t) va_arg(args, int32_t); | |
275 } else { | |
276 ui64 = (uint64_t) va_arg(args, uint32_t); | |
277 } | |
278 break; | |
279 | |
280 case 'L': | |
281 if (sign) { | |
282 i64 = va_arg(args, int64_t); | |
283 } else { | |
284 ui64 = va_arg(args, uint64_t); | |
285 } | |
286 break; | |
287 | |
493 | 288 case 'A': |
289 if (sign) { | |
290 i64 = (int64_t) va_arg(args, ngx_atomic_int_t); | |
291 } else { | |
495 | 292 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); |
493 | 293 } |
294 | |
295 if (max_width) { | |
296 width = NGX_ATOMIC_T_LEN; | |
297 } | |
298 | |
299 break; | |
300 | |
461 | 301 #if !(NGX_WIN32) |
302 case 'r': | |
303 i64 = (int64_t) va_arg(args, rlim_t); | |
304 sign = 1; | |
305 break; | |
306 #endif | |
307 | |
308 case 'p': | |
309 ui64 = (uintptr_t) va_arg(args, void *); | |
310 hexadecimal = 2; | |
311 sign = 0; | |
312 zero = '0'; | |
313 width = 8; | |
314 break; | |
315 | |
457 | 316 case 'c': |
461 | 317 d = va_arg(args, int); |
457 | 318 *buf++ = (u_char) (d & 0xff); |
319 fmt++; | |
320 | |
321 continue; | |
322 | |
461 | 323 case 'Z': |
324 *buf++ = '\0'; | |
325 fmt++; | |
326 | |
327 continue; | |
328 | |
525 | 329 case 'N': |
330 #if (NGX_WIN32) | |
331 *buf++ = CR; | |
332 #endif | |
333 *buf++ = LF; | |
334 fmt++; | |
335 | |
336 continue; | |
337 | |
455 | 338 case '%': |
339 *buf++ = '%'; | |
340 fmt++; | |
341 | |
342 continue; | |
343 | |
344 default: | |
345 *buf++ = *fmt++; | |
346 | |
347 continue; | |
348 } | |
349 | |
461 | 350 if (sign) { |
351 if (i64 < 0) { | |
352 *buf++ = '-'; | |
353 ui64 = (uint64_t) -i64; | |
354 | |
355 } else { | |
356 ui64 = (uint64_t) i64; | |
357 } | |
358 } | |
359 | |
360 if (hexadecimal == 1) { | |
361 do { | |
362 | |
363 /* the "(uint32_t)" cast disables the BCC's warning */ | |
364 *--p = hex[(uint32_t) (ui64 & 0xf)]; | |
365 | |
366 } while (ui64 >>= 4); | |
367 | |
368 } else if (hexadecimal == 2) { | |
369 do { | |
370 | |
371 /* the "(uint32_t)" cast disables the BCC's warning */ | |
372 *--p = HEX[(uint32_t) (ui64 & 0xf)]; | |
373 | |
374 } while (ui64 >>= 4); | |
375 | |
376 } else if (ui64 <= NGX_MAX_UINT32_VALUE) { | |
377 | |
378 /* | |
379 * To divide 64-bit number and to find the remainder | |
380 * on the x86 platform gcc and icc call the libc functions | |
381 * [u]divdi3() and [u]moddi3(), they call another function | |
493 | 382 * in its turn. On FreeBSD it is the qdivrem() function, |
461 | 383 * its source code is about 170 lines of the code. |
384 * The glibc counterpart is about 150 lines of the code. | |
385 * | |
493 | 386 * For 32-bit numbers and some divisors gcc and icc use |
387 * the inlined multiplication and shifts. For example, | |
388 * unsigned "i32 / 10" is compiled to | |
389 * | |
390 * (i32 * 0xCCCCCCCD) >> 35 | |
461 | 391 */ |
392 | |
393 ui32 = (uint32_t) ui64; | |
394 | |
395 do { | |
396 *--p = (u_char) (ui32 % 10 + '0'); | |
397 } while (ui32 /= 10); | |
398 | |
399 } else { | |
400 do { | |
401 *--p = (u_char) (ui64 % 10 + '0'); | |
402 } while (ui64 /= 10); | |
403 } | |
404 | |
477 | 405 len = (temp + NGX_INT64_LEN) - p; |
455 | 406 |
461 | 407 while (len++ < width && buf < last) { |
408 *buf++ = zero; | |
455 | 409 } |
410 | |
477 | 411 len = (temp + NGX_INT64_LEN) - p; |
461 | 412 if (buf + len > last) { |
413 len = last - buf; | |
414 } | |
415 | |
416 buf = ngx_cpymem(buf, p, len); | |
455 | 417 |
418 fmt++; | |
419 | |
420 } else { | |
421 *buf++ = *fmt++; | |
422 } | |
423 } | |
424 | |
425 return buf; | |
426 } | |
427 | |
428 | |
493 | 429 ngx_int_t |
430 ngx_rstrncmp(u_char *s1, u_char *s2, size_t n) | |
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431 { |
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432 if (n == 0) { |
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433 return 0; |
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434 } |
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435 |
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436 n--; |
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437 |
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438 for ( ;; ) { |
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439 if (s1[n] != s2[n]) { |
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440 return s1[n] - s2[n]; |
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441 } |
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442 |
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443 if (n == 0) { |
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444 return 0; |
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445 } |
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446 |
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447 n--; |
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448 } |
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449 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
450 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
451 |
493 | 452 ngx_int_t |
453 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
455 | 454 { |
455 u_char c1, c2; | |
456 | |
457 if (n == 0) { | |
458 return 0; | |
459 } | |
460 | |
461 n--; | |
462 | |
463 for ( ;; ) { | |
464 c1 = s1[n]; | |
465 if (c1 >= 'a' && c1 <= 'z') { | |
466 c1 -= 'a' - 'A'; | |
467 } | |
468 | |
469 c2 = s2[n]; | |
470 if (c2 >= 'a' && c2 <= 'z') { | |
471 c2 -= 'a' - 'A'; | |
472 } | |
473 | |
474 if (c1 != c2) { | |
475 return c1 - c2; | |
476 } | |
477 | |
478 if (n == 0) { | |
479 return 0; | |
480 } | |
481 | |
482 n--; | |
483 } | |
484 } | |
485 | |
486 | |
493 | 487 ngx_int_t |
488 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
|
489 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
490 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
|
491 |
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
492 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
493 return NGX_ERROR; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
494 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
495 |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
496 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
|
497 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
|
498 return NGX_ERROR; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
499 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
500 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
501 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
|
502 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
503 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
504 if (value < 0) { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
505 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
|
506 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
507 } else { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
508 return value; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
509 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
510 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
511 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
512 |
501 | 513 ssize_t |
514 ngx_atosz(u_char *line, size_t n) | |
515 { | |
516 ssize_t value; | |
517 | |
518 if (n == 0) { | |
519 return NGX_ERROR; | |
520 } | |
521 | |
522 for (value = 0; n--; line++) { | |
523 if (*line < '0' || *line > '9') { | |
524 return NGX_ERROR; | |
525 } | |
526 | |
527 value = value * 10 + (*line - '0'); | |
528 } | |
529 | |
530 if (value < 0) { | |
531 return NGX_ERROR; | |
532 | |
533 } else { | |
534 return value; | |
535 } | |
536 } | |
537 | |
538 | |
539 off_t | |
540 ngx_atoof(u_char *line, size_t n) | |
541 { | |
542 off_t value; | |
543 | |
544 if (n == 0) { | |
545 return NGX_ERROR; | |
546 } | |
547 | |
548 for (value = 0; n--; line++) { | |
549 if (*line < '0' || *line > '9') { | |
550 return NGX_ERROR; | |
551 } | |
552 | |
553 value = value * 10 + (*line - '0'); | |
554 } | |
555 | |
556 if (value < 0) { | |
557 return NGX_ERROR; | |
558 | |
559 } else { | |
560 return value; | |
561 } | |
562 } | |
563 | |
564 | |
565 time_t | |
566 ngx_atotm(u_char *line, size_t n) | |
567 { | |
568 time_t value; | |
569 | |
570 if (n == 0) { | |
571 return NGX_ERROR; | |
572 } | |
573 | |
574 for (value = 0; n--; line++) { | |
575 if (*line < '0' || *line > '9') { | |
576 return NGX_ERROR; | |
577 } | |
578 | |
579 value = value * 10 + (*line - '0'); | |
580 } | |
581 | |
582 if (value < 0) { | |
583 return NGX_ERROR; | |
584 | |
585 } else { | |
586 return value; | |
587 } | |
588 } | |
589 | |
590 | |
493 | 591 ngx_int_t |
592 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
|
593 { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
594 u_char ch; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
595 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
|
596 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
597 if (n == 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
598 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
599 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
600 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
601 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
|
602 ch = *line; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
603 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
604 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
|
605 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
|
606 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
607 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
608 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
609 if (ch >= 'A' && ch <= 'F') { |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
610 value = value * 16 + (ch - 'A' + 10); |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
611 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
612 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
613 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
614 if (ch >= 'a' && ch <= 'f') { |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
615 value = value * 16 + (ch - 'a' + 10); |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
616 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
617 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
618 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
619 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
620 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
621 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
622 if (value < 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
623 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
624 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
625 } else { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
626 return value; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
627 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
628 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
629 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
630 |
493 | 631 void |
632 ngx_md5_text(u_char *text, u_char *md5) | |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
633 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
634 int i; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
635 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
|
636 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
637 for (i = 0; i < 16; i++) { |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
638 *text++ = hex[md5[i] >> 4]; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
639 *text++ = hex[md5[i] & 0xf]; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
640 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
641 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
642 *text = '\0'; |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
643 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
644 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
645 |
493 | 646 void |
647 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
|
648 { |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
649 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
|
650 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
|
651 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
|
652 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
653 |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
654 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
|
655 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
|
656 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
|
657 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
658 while (len > 2) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
659 *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
|
660 *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
|
661 *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
|
662 *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
|
663 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
664 s += 3; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
665 len -= 3; |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
666 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
667 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
668 if (len) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
669 *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
|
670 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
671 if (len == 1) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
672 *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
|
673 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
674 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
675 } else { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
676 *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
|
677 *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
|
678 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
679 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
680 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
681 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
682 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
683 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
|
684 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
685 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
686 |
493 | 687 ngx_int_t |
688 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
|
689 { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
690 size_t len; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
691 u_char *d, *s; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
692 static u_char basis64[] = |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
693 { 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
694 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
695 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
696 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
697 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
698 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
699 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
700 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
|
701 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
702 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
703 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
704 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
705 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
706 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
707 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
708 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
709 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 }; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
710 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
711 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
|
712 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
|
713 break; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
714 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
715 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
716 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
|
717 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
718 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
719 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
720 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
721 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
|
722 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
723 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
724 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
725 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
|
726 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
|
727 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
728 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
|
729 *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
|
730 *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
|
731 *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
|
732 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
733 s += 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
734 len -= 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
735 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
736 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
737 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
|
738 *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
|
739 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
740 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
741 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
|
742 *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
|
743 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
744 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
745 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
|
746 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
747 return NGX_OK; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
748 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
749 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
750 |
523 | 751 size_t |
752 ngx_utf_length(ngx_str_t *utf) | |
753 { | |
754 u_char c; | |
755 size_t len; | |
756 ngx_uint_t i; | |
757 | |
758 for (len = 0, i = 0; i < utf->len; len++, i++) { | |
759 | |
760 c = utf->data[i]; | |
761 | |
762 if (c < 0x80) { | |
763 continue; | |
764 } | |
765 | |
527 | 766 if (c >= 0xc0) { |
767 for (c <<= 1; c & 0x80; c <<= 1) { | |
768 i++; | |
769 } | |
770 | |
771 continue; | |
523 | 772 } |
773 | |
527 | 774 /* invalid utf */ |
775 | |
776 return utf->len; | |
523 | 777 } |
778 | |
779 return len; | |
780 } | |
781 | |
782 | |
527 | 783 u_char * |
784 ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n) | |
785 { | |
786 u_char c; | |
787 | |
788 if (n == 0) { | |
789 return dst; | |
790 } | |
791 | |
792 for ( /* void */ ; --n; dst++, src++) { | |
793 | |
794 c = *src; | |
795 *dst = c; | |
796 | |
797 if (c < 0x80) { | |
798 if (*dst != '\0') { | |
799 continue; | |
800 } | |
801 | |
802 return dst; | |
803 } | |
804 | |
805 if (c >= 0xc0) { | |
806 for (c <<= 1; c & 0x80; c <<= 1) { | |
807 *++dst = *++src; | |
808 } | |
809 | |
810 continue; | |
811 } | |
812 | |
813 /* invalid utf */ | |
814 } | |
815 | |
816 *dst = '\0'; | |
817 | |
818 return dst; | |
819 } | |
820 | |
821 | |
493 | 822 uintptr_t |
823 ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type) | |
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824 { |
461 | 825 ngx_uint_t i, n; |
826 uint32_t *escape; | |
452 | 827 static u_char hex[] = "0123456789abcdef"; |
461 | 828 |
493 | 829 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
485 | 830 |
461 | 831 static uint32_t uri[] = |
452 | 832 { 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
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833 |
452 | 834 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
493 | 835 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ |
452 | 836 |
837 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
838 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
839 | |
840 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ | |
841 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
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842 |
452 | 843 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
844 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
845 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
846 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ }; | |
847 | |
493 | 848 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */ |
485 | 849 |
850 static uint32_t args[] = | |
851 { 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
852 | |
853 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
493 | 854 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */ |
485 | 855 |
856 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
857 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
858 | |
859 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ | |
860 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
861 | |
862 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
863 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
864 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
865 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ }; | |
866 | |
867 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ | |
868 | |
461 | 869 static uint32_t html[] = |
870 { 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
871 | |
872 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
493 | 873 0x800000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
461 | 874 |
875 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
876 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
877 | |
878 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ | |
879 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
880 | |
881 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
882 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
883 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
884 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ }; | |
885 | |
886 | |
485 | 887 switch (type) { |
888 case NGX_ESCAPE_HTML: | |
461 | 889 escape = html; |
485 | 890 break; |
891 case NGX_ESCAPE_ARGS: | |
892 escape = args; | |
893 break; | |
894 default: | |
461 | 895 escape = uri; |
485 | 896 break; |
461 | 897 } |
898 | |
452 | 899 if (dst == NULL) { |
900 | |
901 /* find the number of the characters to be escaped */ | |
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902 |
452 | 903 n = 0; |
904 | |
905 for (i = 0; i < size; i++) { | |
906 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
907 n++; | |
908 } | |
909 src++; | |
910 } | |
911 | |
485 | 912 return (uintptr_t) n; |
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913 } |
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914 |
452 | 915 for (i = 0; i < size; i++) { |
916 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
917 *dst++ = '%'; | |
918 *dst++ = hex[*src >> 4]; | |
919 *dst++ = hex[*src & 0xf]; | |
920 src++; | |
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921 |
452 | 922 } else { |
923 *dst++ = *src++; | |
924 } | |
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925 } |
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926 |
485 | 927 return (uintptr_t) dst; |
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928 } |