-/* $Id: setrlimit.c,v 1.1 2007-02-27 14:52:55 mike Exp $ */
+/* $Id: setrlimit.c,v 1.2 2007-02-27 14:54:52 mike Exp $ */
/*
* A simple wrapper program for the setrlimit(2) system call, which
#include <pwd.h>
int main(int argc, char **argv) {
+ int verbose = 0;
int n = 0;
char *user = 0;
int c;
- while ((c = getopt(argc, argv, "n:u:")) != -1) {
+ while ((c = getopt(argc, argv, "vn:u:")) != -1) {
switch (c) {
+ case 'v': verbose++; break;
case 'n': n = atoi(optarg); break;
case 'u': user = optarg; break;
default:
USAGE:
fprintf(stderr, "Usage: %s [options] <command>\n\
+ -v Verbose mode\n\
-n <number> Set maximum open files to <number>\n\
-u <user> Run subcommand as <user>\n",
argv[0]);
new.rlim_cur = n;
if (n > new.rlim_max)
new.rlim_max = n;
-#if 0
- if (new.rlim_cur != old.rlim_cur)
- printf("%s: changing soft NOFILE from %ld to %ld\n",
- argv[0], (long) old.rlim_cur, (long) new.rlim_cur);
- if (new.rlim_max != old.rlim_max)
- printf("%s: changing soft NOFILE from %ld to %ld\n",
- argv[0], (long) old.rlim_max, (long) new.rlim_max);
-#endif
+ if (verbose) {
+ if (new.rlim_cur != old.rlim_cur)
+ printf("%s: changing soft NOFILE from %ld to %ld\n",
+ argv[0], (long) old.rlim_cur, (long) new.rlim_cur);
+ if (new.rlim_max != old.rlim_max)
+ printf("%s: changing soft NOFILE from %ld to %ld\n",
+ argv[0], (long) old.rlim_max, (long) new.rlim_max);
+ }
if (setrlimit(RLIMIT_NOFILE, &new) < 0) {
fprintf(stderr, "%s: setrlimit(n=%d): %s\n",
argv[0], n, strerror(errno));
}
}
-#if 0
- printf("%s: n=%d, user='%s', optind=%d, new argc=%d, new argv[0]='%s'\n",
- argv[0], n, user, optind, argc-optind, argv[optind]);
-#endif
+ if (verbose)
+ printf("%s: n=%d, user='%s', optind=%d, new argc=%d, argv[0]='%s'\n",
+ argv[0], n, user, optind, argc-optind, argv[optind]);
+
execvp(argv[optind], argv+optind);
fprintf(stderr, "%s: execvp('%s'): %s\n",
argv[0], argv[optind], strerror(errno));