84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*-
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* Copyright (c) 1998, Peter Wemm <peter@netplex.com.au>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <err.h>
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#include <objformat.h>
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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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#include <unistd.h>
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int
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main(int argc, char **argv)
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{
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char objformat[32];
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char *path, *chunk;
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char *cmd, *newcmd = NULL;
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const char *objformat_path;
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if (getobjformat(objformat, sizeof objformat, &argc, argv) == -1)
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errx(1, "Invalid object format");
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cmd = strrchr(argv[0], '/');
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if (cmd != NULL)
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cmd++;
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else
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cmd = argv[0];
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if (strcmp(cmd, "objformat") == 0) {
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if (argc != 1) {
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fprintf(stderr, "Usage: objformat\n");
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exit(1);
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}
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printf("%s\n", objformat);
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exit(0);
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}
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/* 'make world' glue */
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objformat_path = getenv("OBJFORMAT_PATH");
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if (objformat_path == NULL)
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objformat_path = "/usr/libexec";
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path = strdup(objformat_path);
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setenv("OBJFORMAT", objformat, 1);
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while ((chunk = strsep(&path, ":")) != NULL) {
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if (newcmd != NULL) {
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free(newcmd);
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newcmd = NULL;
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}
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asprintf(&newcmd, "%s/%s/%s", chunk, objformat, cmd);
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if (newcmd == NULL)
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err(1, "cannot allocate memory for new command");
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argv[0] = newcmd;
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execv(newcmd, argv);
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}
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err(1, "could not exec %s/%s in %s", objformat, cmd, objformat_path);
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}
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