diff options
Diffstat (limited to 'shadow/fgetspent.c')
-rw-r--r-- | shadow/fgetspent.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/shadow/fgetspent.c b/shadow/fgetspent.c deleted file mode 100644 index 541947bad6..0000000000 --- a/shadow/fgetspent.c +++ /dev/null @@ -1,90 +0,0 @@ -/* Copyright (C) 1996-2023 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <libc-lock.h> -#include <shadow.h> -#include <stdio.h> -#include <stdlib.h> -#include <set-freeres.h> - - -/* A reasonable size for a buffer to start with. */ -#define BUFLEN_SPWD 1024 - -/* We need to protect the dynamic buffer handling. */ -__libc_lock_define_initialized (static, lock); - -static char *buffer; - -/* Read one shadow entry from the given stream. */ -struct spwd * -fgetspent (FILE *stream) -{ - static size_t buffer_size; - static struct spwd resbuf; - fpos_t pos; - struct spwd *result; - int save; - - if (fgetpos (stream, &pos) != 0) - return NULL; - - /* Get lock. */ - __libc_lock_lock (lock); - - /* Allocate buffer if not yet available. */ - if (buffer == NULL) - { - buffer_size = BUFLEN_SPWD; - buffer = malloc (buffer_size); - } - - while (buffer != NULL - && (__fgetspent_r (stream, &resbuf, buffer, buffer_size, &result) - == ERANGE)) - { - char *new_buf; - buffer_size += BUFLEN_SPWD; - new_buf = realloc (buffer, buffer_size); - if (new_buf == NULL) - { - /* We are out of memory. Free the current buffer so that the - process gets a chance for a normal termination. */ - save = errno; - free (buffer); - __set_errno (save); - } - buffer = new_buf; - - /* Reset the stream. */ - if (fsetpos (stream, &pos) != 0) - buffer = NULL; - } - - if (buffer == NULL) - result = NULL; - - /* Release lock. Preserve error value. */ - save = errno; - __libc_lock_unlock (lock); - __set_errno (save); - - return result; -} - -weak_alias (buffer, __libc_fgetspent_freemem_ptr); |