1 /* Variable-sized buffer with on-stack default allocation.
2 Copyright (C) 2020 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
20 # include <libc-config.h>
23 #include <scratch_buffer.h>
27 __libc_scratch_buffer_dupfree (struct scratch_buffer
*buffer
, size_t size
)
29 void *data
= buffer
->data
;
30 if (data
== buffer
->__space
.__c
)
32 void *copy
= malloc (size
);
33 return copy
!= NULL
? memcpy (copy
, data
, size
) : NULL
;
37 void *copy
= realloc (data
, size
);
38 return copy
!= NULL
? copy
: data
;
41 libc_hidden_def (__libc_scratch_buffer_dupfree
)