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authorfishsoupisgood <github@madingley.org>2019-04-29 01:17:54 +0100
committerfishsoupisgood <github@madingley.org>2019-05-27 03:43:43 +0100
commit3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch)
tree65ca85f13617aee1dce474596800950f266a456c /roms/SLOF/lib/libc/stdlib/realloc.c
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Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'roms/SLOF/lib/libc/stdlib/realloc.c')
-rw-r--r--roms/SLOF/lib/libc/stdlib/realloc.c40
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;
+}