d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add -g group to usage message.

Browse Source 
Don't treat pointer as a boolean, but instead test it against NULL.
Add warning for groups that don't exist

Submitted by: ru
This commit is contained in:
Warner Losh 2001-03-02 07:30:37 +00:00
parent 5f5aafe1fc
commit 003ff9433b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=73320
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
usr.bin/wall/wall.c
View File

@ -126,8 +126,10 @@ main(int argc, char *argv[])
for (g = grouplist; g; g = g->next) {
grp = getgrnam(g->name);
if (grp)
if (grp != NULL)
g->gid = grp->gr_gid;
else
warnx("%s: no such group", g->name);
}
makemsg(*argv);
@ -170,7 +172,7 @@ main(int argc, char *argv[])
static void
usage()
{
(void)fprintf(stderr, "usage: wall [file]\n");
(void)fprintf(stderr, "usage: wall [-g group] [file]\n");
exit(1);
}