87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/* $NetBSD: findcc.c,v 1.6 2011/09/04 20:30:06 joerg Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Matthias Scheler.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include "nbtool_config.h"
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
#if !defined(lint)
|
|
__COPYRIGHT("@(#) Copyright (c) 1999 The NetBSD Foundation, Inc.\
|
|
All rights reserved.");
|
|
__RCSID("$NetBSD: findcc.c,v 1.6 2011/09/04 20:30:06 joerg Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "findcc.h"
|
|
|
|
char *
|
|
findcc(const char *progname)
|
|
{
|
|
char *path, *dir, *next;
|
|
char buffer[MAXPATHLEN];
|
|
|
|
if ((next = strchr(progname, ' ')) != NULL) {
|
|
*next = '\0';
|
|
}
|
|
|
|
if (strchr(progname, '/') != NULL)
|
|
return access(progname, X_OK) ? NULL : strdup(progname);
|
|
|
|
if (((path = getenv("PATH")) == NULL) ||
|
|
((path = strdup(path)) == NULL))
|
|
return NULL;
|
|
|
|
dir = path;
|
|
while (dir != NULL) {
|
|
if ((next = strchr(dir, ':')) != NULL)
|
|
*next++ = '\0';
|
|
|
|
if (snprintf(buffer, sizeof(buffer),
|
|
"%s/%s", dir, progname) < (int)sizeof(buffer)) {
|
|
if (!access(buffer, X_OK)) {
|
|
free(path);
|
|
return strdup(buffer);
|
|
}
|
|
}
|
|
dir = next;
|
|
}
|
|
|
|
free(path);
|
|
return NULL;
|
|
}
|
|
|