src/system/libroot/posix/string/strdup.cpp

   1 /*
   2  * Copyright 2003-2007, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <string.h>
   8 #include <stdlib.h>
   9
  10
  11 char*
  12 strdup(const char *string)
  13 {
  14         char* copied;
  15         size_t length;
  16
  17         // unlike the standard strdup() function, the BeOS implementation
  18         // handles NULL strings gracefully
  19         if (string == NULL)
  20                 return NULL;
  21
  22         length = strlen(string) + 1;
  23
  24         if ((copied = (char *)malloc(length)) == NULL)
  25                 return NULL;
  26
  27         memcpy(copied, string, length);
  28         return copied;
  29 }