summaryrefslogtreecommitdiff
path: root/libc/pwd_grp/getpwnam.c
diff options
context:
space:
mode:
authorErik Andersen <andersen@codepoet.org>2000-05-14 04:16:35 +0000
committerErik Andersen <andersen@codepoet.org>2000-05-14 04:16:35 +0000
commit64bc6412188b141c010ac3b8e813b837dd991e80 (patch)
treeffa12b79ea4b13191754f54b872eb1a4f9e3a04b /libc/pwd_grp/getpwnam.c
Initial revision
Diffstat (limited to 'libc/pwd_grp/getpwnam.c')
-rw-r--r--libc/pwd_grp/getpwnam.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/libc/pwd_grp/getpwnam.c b/libc/pwd_grp/getpwnam.c
new file mode 100644
index 000000000..85dbc8ed8
--- /dev/null
+++ b/libc/pwd_grp/getpwnam.c
@@ -0,0 +1,52 @@
+/*
+ * getpwnam.c - This file is part of the libc-8086/pwd 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 <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pwd.h>
+
+
+struct passwd *
+getpwnam(const char * name)
+{
+ int passwd_fd;
+ struct passwd * passwd;
+
+ if (name==NULL)
+ {
+ errno=EINVAL;
+ return NULL;
+ }
+
+ if ((passwd_fd=open("/etc/passwd", O_RDONLY))<0)
+ return NULL;
+
+ while ((passwd=__getpwent(passwd_fd))!=NULL)
+ if (!strcmp(passwd->pw_name, name))
+ {
+ close(passwd_fd);
+ return passwd;
+ }
+
+ close(passwd_fd);
+ return NULL;
+}