X-Git-Url: https://git.wpitchoune.net/gitweb/?p=prss.git;a=blobdiff_plain;f=src%2Furl.c;fp=src%2Furl.c;h=a08ccd3b2639876a717ee3fc38e09501290604e5;hp=0000000000000000000000000000000000000000;hb=f7dfdbf9d6e84e3eb9cdcc04d232d37ef5efe80e;hpb=479f4f78a5883feafa81b18497f60e2745dba8e3

diff --git a/src/url.c b/src/url.c
new file mode 100644
index 0000000..a08ccd3
--- /dev/null
+++ b/src/url.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2010-2013 jeanfi@gmail.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+/*
+ * Part of the following code is based on:
+ * http://www.geekhideout.com/urlcode.shtml
+ */
+#include "url.h"
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+char *url_normalize(const char *url)
+{
+	int n = strlen(url);
+	char *ret = strdup(url);
+
+	if (url[n - 1] == '/')
+		ret[n - 1] = '\0';
+
+	return ret;
+}
+
+static char to_hex(char code)
+{
+	static const char hex[] = "0123456789abcdef";
+	return hex[code & 0x0f];
+}
+
+/*
+ * Returns a url-encoded version of str.
+ */
+char *url_encode(const char *str)
+{
+	char *c, *buf, *pbuf;
+
+	buf = malloc(strlen(str) * 3 + 1);
+	pbuf = buf;
+
+	c = (char *)str;
+
+	while (*c) {
+
+		if (isalnum(*c) ||
+		    *c == '.' || *c == '_' || *c == '-' || *c == '~')
+			*pbuf++ = *c;
+		else {
+			*pbuf++ = '%';
+			*pbuf++ = to_hex(*c >> 4);
+			*pbuf++ = to_hex(*c & 0x0f);
+		}
+		c++;
+	}
+	*pbuf = '\0';
+
+	return buf;
+}