strcspn.c 568 B

1234567891011121314151617181920212223242526272829303132
  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. #include "_string.h"
  8. #ifdef WANT_WIDE
  9. # define Wstrcspn wcscspn
  10. #else
  11. # define Wstrcspn strcspn
  12. #endif
  13. size_t Wstrcspn(const Wchar *s1, const Wchar *s2)
  14. {
  15. register const Wchar *s;
  16. register const Wchar *p;
  17. for ( s=s1 ; *s ; s++ ) {
  18. for ( p=s2 ; *p ; p++ ) {
  19. if (*p == *s) goto done;
  20. }
  21. }
  22. done:
  23. return s - s1;
  24. }
  25. #ifndef WANT_WIDE
  26. libc_hidden_def(strcspn)
  27. #endif