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
  13 PTR
  14 xmemdup (input, copy_size, alloc_size)
  15   const PTR input;
  16   size_t copy_size;
  17   size_t alloc_size;
  18 {
  19   PTR output = xcalloc (1, alloc_size);
  20   memcpy (output, input, copy_size);
  21   return output;
  22 }