glibc/nss/valid_field.c

32 lines
1.2 KiB
C

/* Copyright (C) 2015-2023 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 <nss.h>
#include <string.h>
const char __nss_invalid_field_characters[] = NSS_INVALID_FIELD_CHARACTERS;
/* Check that VALUE is either NULL or a NUL-terminated string which
does not contain characters not permitted in NSS database
fields. */
_Bool
__nss_valid_field (const char *value)
{
return value == NULL
|| strpbrk (value, __nss_invalid_field_characters) == NULL;
}