int
main(int argc, char *argv[])
{
char *p;
char *cmdname = *argv;
if ((p = strrchr (cmdname, '/')) != NULL) {
cmdname = p + 1;
}
if (strcmp(cmdname, CMD_PRINTENV) == 0) {
return fw_printenv (argc, argv);
} else if (strcmp(cmdname, CMD_SETENV) == 0) {
return fw_setenv (argc, argv);
}
fprintf (stderr,
"Identity crisis - may be called as `" CMD_PRINTENV
"' or as `" CMD_SETENV "' but not as `%s'\n",
cmdname);
return (EXIT_FAILURE);
}
int main(int argc, char *argv[])
{
char *lockname = "/var/lock/" CMD_PRINTENV ".lock";
int lockfd = -1;
int retval = EXIT_SUCCESS;
char *_cmdname;
_cmdname = *argv;
if (strrchr(_cmdname, '/') != NULL)
_cmdname = strrchr(_cmdname, '/') + 1;
if (strcmp(_cmdname, CMD_PRINTENV) == 0) {
do_printenv = 1;
} else if (strcmp(_cmdname, CMD_SETENV) == 0) {
do_printenv = 0;
} else {
fprintf(stderr,
"Identity crisis - may be called as `%s' or as `%s' but not as `%s'\n",
CMD_PRINTENV, CMD_SETENV, _cmdname);
exit(EXIT_FAILURE);
}
if (do_printenv) {
if (parse_printenv_args(argc, argv))
exit(EXIT_FAILURE);
} else {
if (parse_setenv_args(argc, argv))
exit(EXIT_FAILURE);
}
/* shift parsed flags, jump to non-option arguments */
argc -= optind;
argv += optind;
if (env_opts.lockname) {
lockname = malloc(sizeof(env_opts.lockname) +
sizeof(CMD_PRINTENV) + 10);
if (!lockname) {
fprintf(stderr, "Unable allocate memory");
exit(EXIT_FAILURE);
}
sprintf(lockname, "%s/%s.lock",
env_opts.lockname, CMD_PRINTENV);
}
lockfd = open(lockname, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (-1 == lockfd) {
fprintf(stderr, "Error opening lock file %s\n", lockname);
return EXIT_FAILURE;
}
if (-1 == flock(lockfd, LOCK_EX)) {
fprintf(stderr, "Error locking file %s\n", lockname);
close(lockfd);
return EXIT_FAILURE;
}
if (do_printenv) {
if (fw_printenv(argc, argv, noheader, &env_opts) != 0)
retval = EXIT_FAILURE;
} else {
if (!script_file) {
if (fw_env_set(argc, argv, &env_opts) != 0)
retval = EXIT_FAILURE;
} else {
if (fw_parse_script(script_file, &env_opts) != 0)
retval = EXIT_FAILURE;
}
}
if (env_opts.lockname)
free(lockname);
flock(lockfd, LOCK_UN);
close(lockfd);
return retval;
}