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/*-
* Copyright (c) 1998, Peter Wemm <peter@netplex.com.au>
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <err.h>
#include <objformat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int
main(int argc, char **argv)
{
char objformat[32];
char *path, *chunk;
char *cmd, *newcmd = NULL;
const char *objformat_path;
if (getobjformat(objformat, sizeof objformat, &argc, argv) == -1)
errx(1, "Invalid object format");
cmd = strrchr(argv[0], '/');
if (cmd != NULL)
cmd++;
else
cmd = argv[0];
if (strcmp(cmd, "objformat") == 0) {
if (argc != 1) {
fprintf(stderr, "usage: objformat\n");
exit(1);
}
printf("%s\n", objformat);
exit(0);
}
/* 'make world' glue */
objformat_path = getenv("OBJFORMAT_PATH");
if (objformat_path == NULL)
objformat_path = "/usr/libexec";
path = strdup(objformat_path);
setenv("OBJFORMAT", objformat, 1);
while ((chunk = strsep(&path, ":")) != NULL) {
if (newcmd != NULL) {
free(newcmd);
newcmd = NULL;
}
asprintf(&newcmd, "%s/%s/%s", chunk, objformat, cmd);
if (newcmd == NULL)
err(1, "cannot allocate memory for new command");
argv[0] = newcmd;
execv(newcmd, argv);
}
err(1, "could not exec %s/%s in %s", objformat, cmd, objformat_path);
}
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