strdup.c 601 B

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  1. /*
  2. * This file is part of the UCB release of Plan 9. It is subject to the license
  3. * terms in the LICENSE file found in the top-level directory of this
  4. * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
  5. * part of the UCB release of Plan 9, including this file, may be copied,
  6. * modified, propagated, or distributed except according to the terms contained
  7. * in the LICENSE file.
  8. */
  9. #include <u.h>
  10. #include <libc.h>
  11. char*
  12. strdup(char *s)
  13. {
  14. char *ns;
  15. ns = malloc(strlen(s) + 1);
  16. if(ns == 0)
  17. return 0;
  18. setmalloctag(ns, getcallerpc(&s));
  19. return strcpy(ns, s);
  20. }