86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
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/*******************************************************************************/
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/* Copyright (C) 2012 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#include <string.h>
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#include <stdio.h>
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void unescape_url ( char *url )
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{
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char *r, *w;
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r = w = url;
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for ( ; *r; r++, w++ )
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{
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if ( *r == '%' )
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{
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char data[3] = { *(r + 1), *(r + 2), 0 };
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int c;
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sscanf( data, "%2X", &c );
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*w = c;
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r += 2;
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}
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else
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*w = *r;
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}
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*w = 0;
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}
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char *escape_url ( const char *url )
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{
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const char *s;
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char *w;
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char r[1024];
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s = url;
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w = r;
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for ( ; *s && w < r + sizeof( r ); s++, w++ )
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{
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switch ( *s )
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{
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case ' ':
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case '<':
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case '>':
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case '%':
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case '#':
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case '*':
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case ',':
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sprintf( w, "%%%2X", *s );
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w += 2;
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break;
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default:
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*w = *s;
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break;
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}
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}
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*w = 0;
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return strdup( r );
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}
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