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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/getpwuid.c
Initial revision
Diffstat (limited to 'libc/pwd_grp/getpwuid.c')
-rw-r--r--libc/pwd_grp/getpwuid.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/libc/pwd_grp/getpwuid.c b/libc/pwd_grp/getpwuid.c
new file mode 100644
index 000000000..ffd58c1f0
--- /dev/null
+++ b/libc/pwd_grp/getpwuid.c
@@ -0,0 +1,44 @@
+/*
+ * getpwuid.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 <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <pwd.h>
+
+struct passwd *
+getpwuid(uid_t uid)
+{
+ int passwd_fd;
+ struct passwd * passwd;
+
+ if ((passwd_fd=open("/etc/passwd", O_RDONLY))<0)
+ return NULL;
+
+ while ((passwd=__getpwent(passwd_fd))!=NULL)
+ if (passwd->pw_uid==uid)
+ {
+ close(passwd_fd);
+ return passwd;
+ }
+
+ close (passwd_fd);
+ return NULL;
+}