From 3534b428629be185e096be99e3bd5fdfe32d5544 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 18 Sep 2014 18:55:44 +0000
Subject: initial commit with rc for skalibs-2.0.0.0

---
 src/libstddjb/prot_readgroups.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 src/libstddjb/prot_readgroups.c

(limited to 'src/libstddjb/prot_readgroups.c')

diff --git a/src/libstddjb/prot_readgroups.c b/src/libstddjb/prot_readgroups.c
new file mode 100644
index 0000000..5559882
--- /dev/null
+++ b/src/libstddjb/prot_readgroups.c
@@ -0,0 +1,28 @@
+/* ISC license. */
+
+/* MT-unsafe */
+
+#include <sys/types.h>
+#include <grp.h>
+#include <errno.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/djbunix.h>
+
+int prot_readgroups (char const *name, gid_t *tab, unsigned int max)
+{
+  unsigned int n = 0 ;
+  for (;;)
+  {
+    struct group *gr ;
+    register char **member ;
+    errno = 0 ;
+    if (n >= max) break ;
+    gr = getgrent() ;
+    if (!gr) break ;
+    for (member = gr->gr_mem ; *member ; member++)
+      if (!str_diff(name, *member)) break ;
+    if (*member) tab[n++] = gr->gr_gid ;
+  }
+  endgrent() ;
+  return errno ? -1 : (int)n ;
+}
-- 
cgit v1.3.1