diff options
Diffstat (limited to 'pwd/pwdread.c')
-rw-r--r-- | pwd/pwdread.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/pwd/pwdread.c b/pwd/pwdread.c deleted file mode 100644 index 1203236..0000000 --- a/pwd/pwdread.c +++ /dev/null @@ -1,147 +0,0 @@ -/* Copyright (C) 1991, 1992, 1995 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 <limits.h> -#include <stddef.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <pwd.h> -#include <sys/types.h> - - -/* This is the function that all the others are based on. - The format of the password file is known only here. */ - -/* Structure containing info kept by each __pwdread caller. */ -typedef struct - { - char *buf; - size_t buflen; - struct passwd p; - } pwdread_info; - - -/* Return a chunk of memory containing a pre-initialized `pwdread_info'. */ -PTR -DEFUN_VOID(__pwdalloc) -{ - pwdread_info *info = (PTR) malloc (sizeof(pwdread_info)); - if (info == NULL) - return NULL; - info->buf = NULL; - info->buflen = 0; - return info; -} - -/* Read a password entry from STREAM, filling in P. */ -struct passwd * -DEFUN(__pwdread, (stream, p), FILE *stream AND PTR CONST p) -{ - register pwdread_info *CONST info = (pwdread_info *) p; - char *start, *end; - - /* Idiocy checks. */ - if (stream == NULL) - { - errno = EINVAL; - return NULL; - } - - do - if (__getline (&info->buf, &info->buflen, stream) == -1) - return NULL; - while (info->buf[0] == '#'); - - start = info->buf; - end = strchr (start, ':'); - if (end == NULL) - return NULL; - *end = '\0'; - info->p.pw_name = start; - - start = end + 1; - end = strchr (start, ':'); - if (end == NULL) - return NULL; - *end = '\0'; - info->p.pw_passwd = start; - - info->p.pw_uid = (uid_t) strtol (end + 1, &end, 10); - if (*end != ':') - return NULL; - info->p.pw_gid = (gid_t) strtol (end + 1, &end, 10); - if (*end != ':') - return NULL; - - start = end + 1; - end = strchr (start, ':'); - if (end == NULL) - return NULL; - *end = '\0'; - info->p.pw_gecos = start; - - start = end + 1; - end = strchr (start, ':'); - if (end == NULL) - return NULL; - *end = '\0'; - info->p.pw_dir = start; - - start = end + 1; - end = strchr (start, '\n'); - if (end == NULL) - return NULL; - *end = '\0'; - info->p.pw_shell = start; - - return &info->p; -} - - -struct passwd * -__pwdscan (void **info, int (*selector) (struct passwd *)) -{ - FILE *stream; - struct passwd *p; - - if (*info == NULL) - { - *info = __pwdalloc (); - if (info == NULL) - return NULL; - } - - stream = __pwdopen (); - if (stream == NULL) - return NULL; - - p = NULL; - while (! feof (stream)) - { - p = __pwdread (stream, *info); - if (p && (*selector) (p)) - break; - p = NULL; - } - - (void) fclose (stream); - return p; -} |