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lvm2/test/lib/not.c

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2010-07-28 16:20:38 +04:00
/*
* Copyright (C) 2010 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License v.2.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
2010-07-28 16:20:38 +04:00
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
static int _finished(const char *cmd, int status, int pid) {
int ret;
if (!strcmp(cmd, "not"))
return !status;
if (!strcmp(cmd, "should")) {
if (status) {
fprintf(stderr, "TEST WARNING: Ignoring command failure.\n");
/* TODO: avoid using shell here */
/* Show log for failing command which should be passing */
ret = system("ls debug.log*${LVM_LOG_FILE_EPOCH}* 2>/dev/null");
if (WIFEXITED(ret) && WEXITSTATUS(ret) == 0) {
printf("## timing off\n<======== Debug log ========>\n"); /* timing off */
fflush(stdout);
if (system("sed -e 's,^,## DEBUG: ,' debug.log*${LVM_LOG_FILE_EPOCH}* 2>/dev/null")) {
/* Ignore result code */;
}
printf("## timing on\n"); /* timing on */
if (system("rm -f debug.log*${LVM_LOG_FILE_EPOCH}*")) {
/* Ignore result code */;
}
fflush(stdout);
}
}
return 0;
} else if (!strcmp(cmd, "invalid")) {
if (status == 3)
return 0;
fprintf(stderr, "Test expected exit code 3 (invalid), but got %d.\n", status);
} else if (!strcmp(cmd, "fail")) {
if (status == 5)
return 0;
fprintf(stderr, "Test expected exit code 5 (fail), but got %d.\n", status);
}
return 6;
}
int main(int args, char **argv) {
const char *val = NULL;
pid_t pid;
int status;
int FAILURE = 6;
if (args < 2) {
fprintf(stderr, "Need args\n");
return FAILURE;
}
pid = fork();
if (pid == -1) {
fprintf(stderr, "Could not fork\n");
return FAILURE;
} else if (pid == 0) { /* child */
if (!strcmp(argv[0], "not")) {
val = ">1";
/* Redirect 'expected' error output */
fflush(stderr);
dup2(fileno(stdout), fileno(stderr));
} else if (!strcmp(argv[0], "invalid"))
val = "3";
else if (!strcmp(argv[0], "fail"))
val = "5";
if (val)
setenv("LVM_EXPECTED_EXIT_STATUS", val, 1);
execvp(argv[1], &argv[1]);
/* should not be accessible */
return FAILURE;
} else { /* parent */
waitpid(pid, &status, 0);
if (!WIFEXITED(status)) {
if (WIFSIGNALED(status))
fprintf(stderr,
"Process %d died of signal %d.\n",
pid, WTERMSIG(status));
/* did not exit correctly */
return FAILURE;
}
return _finished(argv[0], WEXITSTATUS(status), pid);
}
/* not accessible */
return FAILURE;
}