git.m6w6.name Git - m6w6/ext-http/blob - php_http_etag.h

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2004-2014, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 #ifndef PHP_HTTP_ETAG_H
  14 #define PHP_HTTP_ETAG_H
  15
  16 typedef struct php_http_etag {
  17         void *ctx;
  18         char *mode;
  19
  20 #ifdef ZTS
  21         void ***ts;
  22 #endif
  23 } php_http_etag_t;
  24
  25 PHP_HTTP_API php_http_etag_t *php_http_etag_init(const char *mode TSRMLS_DC);
  26 PHP_HTTP_API size_t php_http_etag_update(php_http_etag_t *e, const char *data_ptr, size_t data_len);
  27 PHP_HTTP_API char *php_http_etag_finish(php_http_etag_t *e);
  28
  29 static inline char *php_http_etag_digest(const unsigned char *digest, int len)
  30 {
  31         static const char hexdigits[17] = "0123456789abcdef";
  32         int i;
  33         char *hex = emalloc(len * 2 + 1);
  34         char *ptr = hex;
  35
  36         for (i = 0; i < len; ++i) {
  37                 *ptr++ = hexdigits[digest[i] >> 4];
  38                 *ptr++ = hexdigits[digest[i] & 0xF];
  39         }
  40         *ptr = '\0';
  41
  42         return hex;
  43 }
  44
  45 #endif /* PHP_HTTP_ETAG_H */
  46
  47 /*
  48  * Local variables:
  49  * tab-width: 4
  50  * c-basic-offset: 4
  51  * End:
  52  * vim600: noet sw=4 ts=4 fdm=marker
  53  * vim<600: noet sw=4 ts=4
  54  */
  55