attempt to implement some personal standards

[m6w6/ext-http] / src / php_http_etag.h

diff --git a/src/php_http_etag.h b/src/php_http_etag.h
new file mode 100644 (file)
index 0000000..bf6cf49
--- /dev/null
+++ b/src/php_http_etag.h
@@ -0,0 +1,55 @@
+/*
+    +--------------------------------------------------------------------+
+    | 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 <mike@php.net>            |
+    +--------------------------------------------------------------------+
+*/
+
+#ifndef PHP_HTTP_ETAG_H
+#define PHP_HTTP_ETAG_H
+
+typedef struct php_http_etag {
+       void *ctx;
+       char *mode;
+
+#ifdef ZTS
+       void ***ts;
+#endif
+} php_http_etag_t;
+
+PHP_HTTP_API php_http_etag_t *php_http_etag_init(const char *mode TSRMLS_DC);
+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
+ */
+