libiberty/xstrdup.c

   1 /* xstrdup.c -- Duplicate a string in memory, using xmalloc.
   2    This trivial function is in the public domain.
   3    Ian Lance Taylor, Cygnus Support, December 1995.  */
   4
   5 /*
   6
   7 @deftypefn Replacement char* xstrdup (const char *@var{s})
   8
   9 Duplicates a character string without fail, using @code{xmalloc} to
  10 obtain memory.
  11
  12 @end deftypefn
  13
  14 */
  15
  16 #ifdef HAVE_CONFIG_H
  17 #include "config.h"
  18 #endif
  19 #include <sys/types.h>
  20 #ifdef HAVE_STRING_H
  21 #include <string.h>
  22 #else
  23 # ifdef HAVE_STRINGS_H
  24 #  include <strings.h>
  25 # endif
  26 #endif
  27 #include "ansidecl.h"
  28 #include "libiberty.h"
  29
  30 char *
  31 xstrdup (const char *s)
  32 {
  33   register size_t len = strlen (s) + 1;
  34   register char *ret = XNEWVEC (char, len);
  35   return (char *) memcpy (ret, s, len);
  36 }