Initial commit

1 files changed, 68 insertions, 0 deletions

diff --git a/lib/urlencode.c b/lib/urlencode.c
new file mode 100644
index 0000000..829d461
--- /dev/null
+++ b/lib/urlencode.c
@@ -0,0 +1,68 @@
+/* This file is part of Eclat
+   Copyright (C) 2012 Sergey Poznyakoff
+ 
+   Eclat 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 3, or (at your option)
+   any later version.
+ 
+   Eclat 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 Eclat.  If not, see <http://www.gnu.org/licenses/>. */
+
+#include "libeclat.h"
+#include <grecs.h>
+
+static int prtch[] = {
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
+        0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1,
+        0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+void
+urlencode(const char *input, size_t len, char **poutput, size_t *poutlen)
+{
+        size_t i, outlen;
+        char *output;
+        static char xdig[] = "0123456789ABCDEF";
+        
+        outlen = len;
+        for (i = 0; i < len; i++)
+                if (!prtch[input[i]])
+                        outlen += 2;
+
+        if (poutlen)
+                *poutlen = outlen;
+
+        output = grecs_malloc(outlen + 1);
+        *poutput = output;
+        
+        for (i = 0; i < len; i++) {
+                if (prtch[input[i]])
+                        *output++ = input[i];
+                else {
+                        *output++ = '%';
+                        *output++ = xdig[((unsigned char)input[i]) >> 4];
+                        *output++ = xdig[((unsigned char)input[i]) & 0x0f];
+                }
+        }
+        *output = 0;
+}
+