From e0023883c6d2e6745a19e4b48e186ed156c1fca8 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:19:27 +0200 Subject: Adding upstream version 2.11.2. Signed-off-by: Daniel Baumann --- gl/lib/malloc/scratch_buffer_dupfree.c | 41 ++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 gl/lib/malloc/scratch_buffer_dupfree.c (limited to 'gl/lib/malloc/scratch_buffer_dupfree.c') diff --git a/gl/lib/malloc/scratch_buffer_dupfree.c b/gl/lib/malloc/scratch_buffer_dupfree.c new file mode 100644 index 0000000..eb3b95c --- /dev/null +++ b/gl/lib/malloc/scratch_buffer_dupfree.c @@ -0,0 +1,41 @@ +/* Variable-sized buffer with on-stack default allocation. + Copyright (C) 2020-2022 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 + . */ + +#ifndef _LIBC +# include +#endif + +#include +#include + +void * +__libc_scratch_buffer_dupfree (struct scratch_buffer *buffer, size_t size) +{ + void *data = buffer->data; + if (data == buffer->__space.__c) + { + void *copy = malloc (size); + return copy != NULL ? memcpy (copy, data, size) : NULL; + } + else + { + void *copy = realloc (data, size); + return copy != NULL ? copy : data; + } +} +libc_hidden_def (__libc_scratch_buffer_dupfree) -- cgit v1.2.3