58 lines
1.2 KiB
Plaintext
58 lines
1.2 KiB
Plaintext
--- xroach.c.orig Fri Jun 4 02:00:00 1993
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+++ xroach.c Fri Oct 26 23:11:46 2007
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@@ -77,7 +77,7 @@ int CalcRootVisible();
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int MarkHiddenRoaches();
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Pixel AllocNamedColor();
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-void
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+int
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main(ac, av)
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int ac;
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char *av[];
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@@ -96,26 +96,30 @@ char *av[];
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/*
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Process command line options.
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*/
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- for (ax=1; ax<ac; ax++) {
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- arg = av[ax];
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+ for (ax=1; ax<ac; ) {
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+ arg = av[ax++];
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+
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+ if (ax >= ac)
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+ Usage();
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+
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if (strcmp(arg, "-display") == 0) {
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- display_name = av[++ax];
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+ display_name = av[ax++];
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}
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else if (strcmp(arg, "-rc") == 0) {
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- roachColor = av[++ax];
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+ roachColor = av[ax++];
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}
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else if (strcmp(arg, "-speed") == 0) {
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- roachSpeed = atof(av[++ax]);
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+ roachSpeed = atof(av[ax++]);
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}
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else if (strcmp(arg, "-roaches") == 0) {
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- maxRoaches = strtol(av[++ax], (char **)NULL, 0);
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+ maxRoaches = strtol(av[ax++], (char **)NULL, 0);
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}
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else {
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Usage();
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}
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}
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- srand((int)time((long *)NULL));
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+ srand((int)time(NULL));
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/*
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Catch some signals so we can erase any visible roaches.
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@@ -212,6 +216,7 @@ char *av[];
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CoverRoot();
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XCloseDisplay(display);
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+ return (0);
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}
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#define USEPRT(msg) fprintf(stderr, msg)
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