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