Add -g group to usage message.
Don't treat pointer as a boolean, but instead test it against NULL. Add warning for groups that don't exist Submitted by: ru
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=73320
@ -126,8 +126,10 @@ main(int argc, char *argv[])
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for (g = grouplist; g; g = g->next) {
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grp = getgrnam(g->name);
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if (grp)
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if (grp != NULL)
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g->gid = grp->gr_gid;
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else
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warnx("%s: no such group", g->name);
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}
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makemsg(*argv);
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@ -170,7 +172,7 @@ main(int argc, char *argv[])
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static void
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usage()
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{
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(void)fprintf(stderr, "usage: wall [file]\n");
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(void)fprintf(stderr, "usage: wall [-g group] [file]\n");
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exit(1);
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}
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