From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/passwd/getgrent.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/passwd/getgrent.c (limited to 'src/passwd/getgrent.c') diff --git a/src/passwd/getgrent.c b/src/passwd/getgrent.c new file mode 100644 index 00000000..e9d25eba --- /dev/null +++ b/src/passwd/getgrent.c @@ -0,0 +1,39 @@ +#include "pwf.h" + +static FILE *f; + +void setgrent() +{ + if (f) fclose(f); + f = 0; +} + +weak_alias(setgrent, endgrent); + +struct group *getgrent() +{ + static char *line, **mem; + static struct group gr; + size_t size=0, nmem=0; + if (!f) f = fopen("/etc/group", "rb"); + if (!f) return 0; + return __getgrent_a(f, &gr, &line, &size, &mem, &nmem); +} + +struct group *getgrgid(gid_t gid) +{ + struct group *gr; + setgrent(); + while ((gr=getgrent()) && gr->gr_gid != gid); + endgrent(); + return gr; +} + +struct group *getgrnam(const char *name) +{ + struct group *gr; + setgrent(); + while ((gr=getgrent()) && strcmp(gr->gr_name, name)); + endgrent(); + return gr; +} -- cgit v1.2.1