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Diffstat (limited to 'toys/posix/id.c')
-rw-r--r--toys/posix/id.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/toys/posix/id.c b/toys/posix/id.c
index 48146600..dbcf9a15 100644
--- a/toys/posix/id.c
+++ b/toys/posix/id.c
@@ -66,7 +66,7 @@ struct group *xgetgrgid(gid_t gid)
return group;
}
-void id_main(void)
+void do_id(char *username)
{
int flags, i, ngroups, cmd_groups = toys.which->name[0] == 'g';
struct passwd *pw;
@@ -80,9 +80,9 @@ void id_main(void)
flags = toys.optflags;
// check if a username is given
- if (*toys.optargs) {
- if (!(pw = getpwnam(*toys.optargs)))
- error_exit("no such user '%s'", *toys.optargs);
+ if (username) {
+ if (!(pw = getpwnam(username)))
+ error_exit("no such user '%s'", username);
uid = euid = pw->pw_uid;
gid = egid = pw->pw_gid;
if (cmd_groups)
@@ -116,7 +116,8 @@ void id_main(void)
groups = (gid_t *)toybuf;
i = sizeof(toybuf)/sizeof(gid_t);
- ngroups = *toys.optargs ? getgrouplist(*toys.optargs, gid, groups, &i) : getgroups(i, groups);
+ ngroups = username ? getgrouplist(username, gid, groups, &i)
+ : getgroups(i, groups);
if (0 >= ngroups) perror_exit(0);
for (i = 0;;) {
@@ -128,3 +129,9 @@ void id_main(void)
}
xputc('\n');
}
+
+void id_main(void)
+{
+ if (toys.optc) while(*toys.optargs) do_id(*toys.optargs++);
+ else do_id(NULL);
+}