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/* find-suffix.c: return the stuff after a dot.
Copyright 1992, 93, 95 Karl Berry.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <kpathsea/config.h>
#include <kpathsea/c-pathch.h>
/* Return pointer to first character after `.' in last directory element
of NAME. If the name is `foo' or `/foo.bar/baz', we have no extension. */
string
find_suffix P1C(const_string, name)
{
const_string slash_pos;
string dot_pos = strrchr (name, '.');
if (dot_pos == NULL)
return NULL;
for (slash_pos = name + strlen (name);
slash_pos > dot_pos && !IS_DIR_SEP (*slash_pos);
slash_pos--)
;
return slash_pos > dot_pos ? NULL : dot_pos + 1;
}
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