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add -U option to groupadd and groupmod

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Add a -U option which adds new usernames as members.  For groupmod,
also add -a (append), without which existing members are removed.

Closes #265
This commit is contained in:
Serge Hallyn
2020-08-09 16:44:30 -05:00
parent 7ea342579e
commit 342c934a35
6 changed files with 147 additions and 10 deletions
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2
lib/prototypes.h
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@@ -206,7 +206,9 @@ extern void __gr_set_changed (void);
/* groupmem.c */
extern /*@null@*/ /*@only@*/struct group *__gr_dup (const struct group *grent);
extern void gr_free_members (struct group *grent);
extern void gr_free (/*@out@*/ /*@only@*/struct group *grent);
extern bool gr_append_member (struct group *grp, char *member);
/* hushed.c */
extern bool hushed (const char *username);