toolchain/gcc/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 #include <sys/types.h>
  17 #ifdef HAVE_CONFIG_H
  18 #include "config.h"
  19 #endif
  20 #ifdef HAVE_STRING_H
  21 #include <string.h>
  22 #endif
  23 #include "ansidecl.h"
  24 #include "libiberty.h"
  25
  26 char *
  27 xstrdup (s)
  28   const char *s;
  29 {
  30   register size_t len = strlen (s) + 1;
  31   register char *ret = xmalloc (len);
  32   memcpy (ret, s, len);
  33   return ret;
  34 }