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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:19:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:19:27 +0000 |
commit | e0023883c6d2e6745a19e4b48e186ed156c1fca8 (patch) | |
tree | 1a48b8056ec984385d0d862b683535d04d6ed215 /gl/lib/malloc/scratch_buffer_dupfree.c | |
parent | Initial commit. (diff) | |
download | man-db-upstream.tar.xz man-db-upstream.zip |
Adding upstream version 2.11.2.upstream/2.11.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gl/lib/malloc/scratch_buffer_dupfree.c')
-rw-r--r-- | gl/lib/malloc/scratch_buffer_dupfree.c | 41 |
1 files changed, 41 insertions, 0 deletions
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 + <https://www.gnu.org/licenses/>. */ + +#ifndef _LIBC +# include <libc-config.h> +#endif + +#include <scratch_buffer.h> +#include <string.h> + +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) |