s_copy.c 768 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. #include "String.h"
  12. /* return a String containing a copy of the passed char array */
  13. extern String*
  14. s_copy(char *cp)
  15. {
  16. String *sp;
  17. int len;
  18. len = strlen(cp)+1;
  19. sp = s_newalloc(len);
  20. setmalloctag(sp, getcallerpc(&cp));
  21. strcpy(sp->base, cp);
  22. sp->ptr = sp->base + len - 1; /* point to 0 terminator */
  23. return sp;
  24. }