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path: root/lib/urlencode.c
authorSergey Poznyakoff <gray@gnu.org.ua>2012-09-19 08:28:28 (GMT)
committer Sergey Poznyakoff <gray@gnu.org.ua>2012-09-19 15:30:01 (GMT)
commit1153970626892573e5966e135e8d81185f4ea53c (patch) (side-by-side diff)
tree773fdf5a8d00ec2ef752c3a8fd5f32c79829cf23 /lib/urlencode.c
downloadeclat-1153970626892573e5966e135e8d81185f4ea53c.tar.gz
eclat-1153970626892573e5966e135e8d81185f4ea53c.tar.bz2
Initial commit
Diffstat (limited to 'lib/urlencode.c') (more/less context) (ignore whitespace changes)
-rw-r--r--lib/urlencode.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/urlencode.c b/lib/urlencode.c
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+++ b/lib/urlencode.c
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+/* 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;
+}
+

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