aboutsummaryrefslogtreecommitdiff
path: root/pwd/getpw.c
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /pwd/getpw.c
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.zip
glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.bz2
initial import
Diffstat (limited to 'pwd/getpw.c')
-rw-r--r--pwd/getpw.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/pwd/getpw.c b/pwd/getpw.c
new file mode 100644
index 0000000..5bd5c82
--- /dev/null
+++ b/pwd/getpw.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C 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.
+
+The GNU C 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 the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <pwd.h>
+
+
+/* Re-construct the password-file line for the given uid
+ in the given buffer. This knows the format that the caller
+ will expect, but this need not be the format of the password file. */
+int
+DEFUN(getpw, (uid, buf), __uid_t uid AND register char *buf)
+{
+ register struct passwd *p;
+
+ if (buf == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ p = getpwuid (uid);
+ if (p == NULL)
+ return -1;
+
+ if (sprintf (buf, "%s:%s:%u:%u:%s:%s:%s", p->pw_name, p->pw_passwd,
+ p->pw_uid, p->pw_gid, p->pw_gecos, p->pw_dir, p->pw_shell) < 0)
+ return -1;
+
+ return 0;
+}