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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/SLOF/lib/libc/stdlib/realloc.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/SLOF/lib/libc/stdlib/realloc.c')
-rw-r--r-- | roms/SLOF/lib/libc/stdlib/realloc.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/roms/SLOF/lib/libc/stdlib/realloc.c b/roms/SLOF/lib/libc/stdlib/realloc.c new file mode 100644 index 00000000..652e9007 --- /dev/null +++ b/roms/SLOF/lib/libc/stdlib/realloc.c @@ -0,0 +1,40 @@ +/****************************************************************************** + * Copyright (c) 2004, 2008 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + + +#include "stdlib.h" +#include "string.h" +#include "malloc_defs.h" + +void * +realloc(void *ptr, size_t size) +{ + struct chunk *header; + char *newptr, *start; + + header = (struct chunk *) ptr; + header--; + + if (size <= header->length) + return ptr; + + newptr = (char *) malloc(size); + if (newptr == NULL) + return 0; + + start = newptr; + memcpy((void *) newptr, (const void *) ptr, header->length); + + header->inuse = 0; + + return start; +} |