1 files changed, 48 insertions, 0 deletions
diff --git a/libc/pwd_grp/getgrgid.c b/libc/pwd_grp/getgrgid.c
new file mode 100644
index 000000000..c1dd20e35
--- /dev/null
+++ b/libc/pwd_grp/getgrgid.c
@@ -0,0 +1,48 @@
+/*
+ * getgrgid.c - This file is part of the libc-8086/grp package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * 
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the Free
+ *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <grp.h>
+
+struct group *
+getgrgid(const gid_t gid)
+{
+  struct group * group;
+  int grp_fd;
+
+  if ((grp_fd=open("/etc/group", O_RDONLY))<0)
+    return NULL;
+
+  while ((group=__getgrent(grp_fd))!=NULL)
+    if (group->gr_gid==gid)
+      {
+	close(grp_fd);
+	return group;
+      }
+
+  close(grp_fd);
+  return NULL;
+}
+
+
+
+