libiberty/xmemdup.c

   1 /* xmemdup.c -- Duplicate a memory buffer, using xcalloc.
   2    This trivial function is in the public domain.
   3    Jeff Garzik, September 1999.  */
   4
   5 #ifdef HAVE_CONFIG_H
   6 #include "config.h"
   7 #endif
   8 #include "ansidecl.h"
   9 #include "libiberty.h"
  10
  11 #include <sys/types.h> /* For size_t. */
  12 #ifdef HAVE_STRING_H
  13 #include <string.h>
  14 #endif
  15
  16 PTR
  17 xmemdup (input, copy_size, alloc_size)
  18   const PTR input;
  19   size_t copy_size;
  20   size_t alloc_size;
  21 {
  22   PTR output = xcalloc (1, alloc_size);
  23   memcpy (output, input, copy_size);
  24   return output;
  25 }