libc/string/strdup.c

   1 /*
   2  * Copyright (C) 2002     Manuel Novoa III
   3  * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
   4  *
   5  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   6  */
   7
   8 #include "_string.h"
   9 #include <stdlib.h>
  10
  11 #ifdef WANT_WIDE
  12 # define Wstrdup wcsdup
  13 # define Wstrlen wcslen
  14 #else
  15 # define Wstrdup strdup
  16 # define Wstrlen strlen
  17 #endif
  18
  19 Wchar *Wstrdup(register const Wchar *s1)
  20 {
  21         register Wchar *s;
  22         register size_t l = (Wstrlen(s1) + 1) * sizeof(Wchar);
  23
  24         if ((s = malloc(l)) != NULL) {
  25                 memcpy(s, s1, l);
  26         }
  27
  28         return s;
  29 }
  30
  31 #ifndef WANT_WIDE
  32 libc_hidden_weak(strdup)
  33 #endif