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/*
Copyright (C) 2012-13 Miranda NG team (http://miranda-ng.org)
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 version 2
of the License.
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, see <http://www.gnu.org/licenses/>.
*/
#include "commonheaders.h"
/////////////////////////////////////////////////////////////////////////////////////////
static const char szHexDigits[] = "0123456789ABCDEF";
MIR_CORE_DLL(char*) mir_urlEncode(const char *szUrl)
{
if (szUrl == NULL)
return NULL;
const BYTE *s;
int outputLen;
for (outputLen = 0, s = (const BYTE*)szUrl; *s; s++) {
if (('0' <= *s && *s <= '9') || //0-9
('A' <= *s && *s <= 'Z') || //ABC...XYZ
('a' <= *s && *s <= 'z') || //abc...xyz
*s == '-' || *s == '_' || *s == '.' || *s == ' ') outputLen++;
else outputLen += 3;
}
char *szOutput = (char*)mir_alloc(outputLen+1);
if (szOutput == NULL)
return NULL;
char *d = szOutput;
for (s = (const BYTE*)szUrl; *s; s++) {
if (('0' <= *s && *s <= '9') || //0-9
('A' <= *s && *s <= 'Z') || //ABC...XYZ
('a' <= *s && *s <= 'z') || //abc...xyz
*s == '-' || *s == '_' || *s == '.') *d++ = *s;
else if (*s == ' ') *d++='+';
else {
*d++ = '%';
*d++ = szHexDigits[*s >> 4];
*d++ = szHexDigits[*s & 0xF];
}
}
*d = '\0';
return szOutput;
}
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