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authorJim Meyering <jim@meyering.net>1999-03-10 15:35:47 +0000
committerJim Meyering <jim@meyering.net>1999-03-10 15:35:47 +0000
commit4ba4999328d9695b23225f2e9acdaedc16cd2188 (patch)
tree3c5e6b8fbdcbbe7f1c85d8d7acdf10b4e4bb1c10 /lib/getugroups.c
parentd7176770d484898b68deb9bbbd4c3bcf888a9b15 (diff)
downloadcoreutils-4ba4999328d9695b23225f2e9acdaedc16cd2188.tar.xz
(getugroups): Take new parameter, gid.
Add gid to the list of groups. From Ulrich Drepper.
Diffstat (limited to 'lib/getugroups.c')
-rw-r--r--lib/getugroups.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/lib/getugroups.c b/lib/getugroups.c
index d76517cfc..6fad8b7b5 100644
--- a/lib/getugroups.c
+++ b/lib/getugroups.c
@@ -41,8 +41,12 @@ struct group *getgrent ();
# include <strings.h>
#endif
-/* Like `getgroups', but for user USERNAME instead of for
- the current process. */
+/* Like `getgroups', but for user USERNAME instead of for the current
+ process. Store at most MAXCOUNT group IDs in the GROUPLIST array.
+ If GID is not -1, store it first (if possible). GID should be the
+ group ID (pw_gid) obtained from getpwuid, in case USERNAME is not
+ listed in /etc/groups.
+ Always return the number of groups of which USERNAME is a member. */
int
getugroups (int maxcount, GETGROUPS_T *grouplist, char *username, gid_t gid)
@@ -51,8 +55,12 @@ getugroups (int maxcount, GETGROUPS_T *grouplist, char *username, gid_t gid)
register char **cp;
register int count = 0;
- if (maxcount != 0)
- grouplist[count++] = gid;
+ if (gid != -1)
+ {
+ if (maxcount != 0)
+ grouplist[count] = gid;
+ ++count;
+ }
setgrent ();
while ((grp = getgrent ()) != 0)