/*
+--------------------------------------------------------------------+
| PECL :: http |
+--------------------------------------------------------------------+
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the conditions mentioned |
| in the accompanying LICENSE file are met. |
+--------------------------------------------------------------------+
| Copyright (c) 2004-2014, Michael Wallner <[email protected]> |
+--------------------------------------------------------------------+
*/
#ifndef PHP_HTTP_ETAG_H
#define PHP_HTTP_ETAG_H
#include "ext/hash/php_hash.h"
typedef struct php_http_etag {
const php_hash_ops *ops;
char ctx[1];
} php_http_etag_t;
PHP_HTTP_API php_http_etag_t *php_http_etag_init(const char *mode);
PHP_HTTP_API size_t php_http_etag_update(php_http_etag_t *e, const char *data_ptr, size_t data_len);
PHP_HTTP_API char *php_http_etag_finish(php_http_etag_t *e);
static inline char *php_http_etag_digest(const unsigned char *digest, int len)
{
static const char hexdigits[17] = "0123456789abcdef";
int i;
char *hex = emalloc(len * 2 + 1);
char *ptr = hex;
for (i = 0; i < len; ++i) {
*ptr++ = hexdigits[digest[i] >> 4];
*ptr++ = hexdigits[digest[i] & 0xF];
}
*ptr = '\0';
return hex;
}
#endif /* PHP_HTTP_ETAG_H */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
