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

   1 #ifndef PHP_HTTP_ETAG_H
   2 #define PHP_HTTP_ETAG_H
   3
   4 PHP_HTTP_API void *php_http_etag_init(TSRMLS_D);
   5 PHP_HTTP_API size_t php_http_etag_update(void *ctx, const char *data_ptr, size_t data_len TSRMLS_DC);
   6 PHP_HTTP_API char *php_http_etag_finish(void *ctx TSRMLS_DC);
   7
   8 static inline char *php_http_etag_digest(const unsigned char *digest, int len)
   9 {
  10         static const char hexdigits[17] = "0123456789abcdef";
  11         int i;
  12         char *hex = emalloc(len * 2 + 1);
  13         char *ptr = hex;
  14
  15         for (i = 0; i < len; ++i) {
  16                 *ptr++ = hexdigits[digest[i] >> 4];
  17                 *ptr++ = hexdigits[digest[i] & 0xF];
  18         }
  19         *ptr = '\0';
  20
  21         return hex;
  22 }
  23
  24 #endif /* PHP_HTTP_ETAG_H */