diff options
Diffstat (limited to 'pwd/getpw.c')
-rw-r--r-- | pwd/getpw.c | 48 |
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; +} |