mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* Generic implementation of fget*ent_r.
|
|
Copyright (C) 2020-2024 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 <nss_files.h>
|
|
#include <stdbool.h>
|
|
|
|
int
|
|
__nss_fgetent_r (FILE *fp, void *result, char *buffer, size_t buffer_length,
|
|
nss_files_parse_line parser)
|
|
{
|
|
int ret;
|
|
|
|
_IO_flockfile (fp);
|
|
|
|
while (true)
|
|
{
|
|
off64_t original_offset;
|
|
ret = __nss_readline (fp, buffer, buffer_length, &original_offset);
|
|
if (ret == 0)
|
|
{
|
|
/* Parse the line into *RESULT. */
|
|
ret = parser (buffer, result,
|
|
(struct parser_data *) buffer, buffer_length, &errno);
|
|
|
|
/* Translate the result code from the parser into an errno
|
|
value. Also seeks back to the start of the line if
|
|
necessary. */
|
|
ret = __nss_parse_line_result (fp, original_offset, ret);
|
|
|
|
if (ret == EINVAL)
|
|
/* Skip over malformed lines. */
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
_IO_funlockfile (fp);
|
|
|
|
return ret;
|
|
}
|