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/*
* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
* Copyright (C) 2008-2011 Kim Woelders
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "dox.h"
int
exists(char *s)
{
struct stat st;
if ((!s) || (!*s))
return (0);
if (stat(s, &st) < 0)
return (0);
return (1);
}
void
freestrlist(char **l, int num)
{
if (!l)
return;
while (num--)
Efree(l[num]);
Efree(l);
}
void
word(char *s, int num, char *wd)
{
int cnt, i;
char *start, *finish, *ss;
if (!s)
return;
if (!wd)
return;
if (num <= 0)
{
*wd = 0;
return;
}
cnt = 0;
i = 0;
start = NULL;
finish = NULL;
ss = NULL;
while (s[i])
{
if ((cnt == num) && ((s[i] == ' ') || (s[i] == '\t')))
{
finish = &s[i];
break;
}
if ((s[i] != ' ') && (s[i] != '\t'))
{
if (i == 0)
{
cnt++;
if (cnt == num)
start = &s[i];
}
else if ((s[i - 1] == ' ') || (s[i - 1] == '\t'))
{
cnt++;
if (cnt == num)
start = &s[i];
}
}
i++;
}
if (cnt == num)
{
if ((start) && (finish))
{
for (ss = start; ss < finish; ss++)
*wd++ = *ss;
}
else if (start)
{
for (ss = start; *ss != 0; ss++)
*wd++ = *ss;
}
*wd = 0;
}
}