New -v option requests verbose commentary.

[irspy-moved-to-github.git] / bin / setrlimit.c

diff --git a/bin/setrlimit.c b/bin/setrlimit.c
index 17c579d..5a12aae 100644 (file)
--- a/bin/setrlimit.c
+++ b/bin/setrlimit.c
@@ -1,4 +1,4 @@
-/* $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
@@ -28,17 +28,20 @@
 #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]);
@@ -56,14 +59,14 @@ int main(int argc, char **argv) {
        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));
@@ -85,10 +88,10 @@ int main(int argc, char **argv) {
        }
     }
 
-#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));