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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [libiberty/] [xmemdup.c] - Rev 296
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/* 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); }
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