summaryrefslogtreecommitdiffstats
path: root/binutils-2.23/libiberty/xmemdup.c
diff options
context:
space:
mode:
authorBen Cheng <bccheng@google.com>2013-04-09 11:29:01 -0700
committerBen Cheng <bccheng@google.com>2013-04-09 11:29:01 -0700
commitf226517827d64cc8f9dccb0952731601ac13ef2a (patch)
tree84b1056255b318a87b7a47b2684655660cab66f0 /binutils-2.23/libiberty/xmemdup.c
parent30fe22e2cc89991b16ab3853f95c7319574456ce (diff)
downloadtoolchain_binutils-f226517827d64cc8f9dccb0952731601ac13ef2a.tar.gz
toolchain_binutils-f226517827d64cc8f9dccb0952731601ac13ef2a.tar.bz2
toolchain_binutils-f226517827d64cc8f9dccb0952731601ac13ef2a.zip
Initial checkin for binutils 2.23.2 (needed by aarch64)
Change-Id: I7e5f319e9e632cc0ccc8a4ec1051169ed2849ca4
Diffstat (limited to 'binutils-2.23/libiberty/xmemdup.c')
-rw-r--r--binutils-2.23/libiberty/xmemdup.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/binutils-2.23/libiberty/xmemdup.c b/binutils-2.23/libiberty/xmemdup.c
new file mode 100644
index 00000000..aa56f0bf
--- /dev/null
+++ b/binutils-2.23/libiberty/xmemdup.c
@@ -0,0 +1,39 @@
+/* xmemdup.c -- Duplicate a memory buffer, using xcalloc.
+ This trivial function is in the public domain.
+ Jeff Garzik, September 1999. */
+
+/*
+
+@deftypefn Replacement void* xmemdup (void *@var{input}, @
+ size_t @var{copy_size}, size_t @var{alloc_size})
+
+Duplicates a region of memory without fail. First, @var{alloc_size} bytes
+are allocated, then @var{copy_size} bytes from @var{input} are copied into
+it, and the new memory is returned. If fewer bytes are copied than were
+allocated, the remaining memory is zeroed.
+
+@end deftypefn
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include "ansidecl.h"
+#include "libiberty.h"
+
+#include <sys/types.h> /* For size_t. */
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+# ifdef HAVE_STRINGS_H
+# include <strings.h>
+# endif
+#endif
+
+PTR
+xmemdup (const PTR input, size_t copy_size, size_t alloc_size)
+{
+ PTR output = xcalloc (1, alloc_size);
+ return (PTR) memcpy (output, input, copy_size);
+}