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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.20.1/] [libiberty/] [xmemdup.c] - Blame information for rev 205

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1 205 julius
/* xmemdup.c -- Duplicate a memory buffer, using xcalloc.
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   This trivial function is in the public domain.
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   Jeff Garzik, September 1999.  */
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/*
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@deftypefn Replacement void* xmemdup (void *@var{input}, size_t @var{copy_size}, size_t @var{alloc_size})
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Duplicates a region of memory without fail.  First, @var{alloc_size} bytes
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are allocated, then @var{copy_size} bytes from @var{input} are copied into
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it, and the new memory is returned.  If fewer bytes are copied than were
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allocated, the remaining memory is zeroed.
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@end deftypefn
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "ansidecl.h"
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#include "libiberty.h"
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#include <sys/types.h> /* For size_t. */
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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#  include <strings.h>
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# endif
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#endif
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PTR
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xmemdup (const PTR input, size_t copy_size, size_t alloc_size)
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{
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  PTR output = xcalloc (1, alloc_size);
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  return (PTR) memcpy (output, input, copy_size);
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}

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