diff options
author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/SLOF/lib/libc/stdlib/realloc.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
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 000000000..652e90077 --- /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; +} |