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https://gitlab.freedesktop.org/pkg-config/pkg-config.git
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2e0493a343
* poptparse.c, popthelp.c, poptconfig.c, popt.c, pkg.c, findme.c, configure.in: Check for malloc.h and use that if it exists. Apparently this makes Win32 happier. Thanks to Carlo Bramini for the patch.
90 lines
2 KiB
C
90 lines
2 KiB
C
/*
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* Copyright (C) 1998 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your 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
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#else
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# ifdef _AIX
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# pragma alloca
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# endif
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#endif
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#ifdef HAVE_MALLOC_H
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# include <malloc.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef __NeXT
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/* access macros are not declared in non posix mode in unistd.h -
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don't try to use posix on NeXTstep 3.3 ! */
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#include <libc.h>
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#endif
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#include "findme.h"
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#if !defined(X_OK)
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#define X_OK 1
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#endif
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char * findProgramPath(char * argv0) {
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char * path = getenv("PATH");
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char * pathbuf;
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char * start, * chptr;
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char * buf;
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/* If there is a / in the argv[0], it has to be an absolute
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path */
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if (strchr(argv0, '/'))
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return strdup(argv0);
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if (!path) return NULL;
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start = pathbuf = alloca(strlen(path) + 1);
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buf = malloc(strlen(path) + strlen(argv0) + 2);
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strcpy(pathbuf, path);
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chptr = NULL;
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do {
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if ((chptr = strchr(start, ':')))
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*chptr = '\0';
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sprintf(buf, "%s/%s", start, argv0);
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if (!access(buf, X_OK))
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return buf;
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if (chptr)
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start = chptr + 1;
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else
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start = NULL;
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} while (start && *start);
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free(buf);
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return NULL;
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}
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