diff options
Diffstat (limited to 'lib/urlencode.c')
-rw-r--r-- | lib/urlencode.c | 68 |
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; +} + |