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author | kan <kan@FreeBSD.org> | 2003-07-11 03:40:53 +0000 |
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committer | kan <kan@FreeBSD.org> | 2003-07-11 03:40:53 +0000 |
commit | b2a8872fbe1ec1c49094559ac7b78e6ea4ab7180 (patch) | |
tree | f6b0610f4a17fd26aa234354f050080f789861a4 /contrib/gcc/xmemdup.c | |
parent | 52e69d78eee5612ac195e0701a5cebe40d1ab0e1 (diff) | |
download | FreeBSD-src-b2a8872fbe1ec1c49094559ac7b78e6ea4ab7180.zip FreeBSD-src-b2a8872fbe1ec1c49094559ac7b78e6ea4ab7180.tar.gz |
Gcc 3.3.1-pre as of 2003-07-11.
Diffstat (limited to 'contrib/gcc/xmemdup.c')
-rw-r--r-- | contrib/gcc/xmemdup.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/contrib/gcc/xmemdup.c b/contrib/gcc/xmemdup.c new file mode 100644 index 0000000..9e9d66b --- /dev/null +++ b/contrib/gcc/xmemdup.c @@ -0,0 +1,38 @@ +/* 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> +#endif + +PTR +xmemdup (input, copy_size, alloc_size) + const PTR input; + size_t copy_size; + size_t alloc_size; +{ + PTR output = xcalloc (1, alloc_size); + memcpy (output, input, copy_size); + return output; +} |