libc/string/strsep.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
  10 #ifdef __USE_BSD
  11
  12
  13 char *strsep(char ** __restrict s1, const char * __restrict s2)
  14 {
  15         register char *s = *s1;
  16         register char *p;
  17
  18 #if 1
  19         p = NULL;
  20         if (s && *s && (p = strpbrk(s, s2))) {
  21                 *p++ = 0;
  22         }
  23 #else
  24         if (s && *s && *(p = s + strcspn(s, s2))) {
  25                 *p++ = 0;
  26         } else {
  27                 p = NULL;
  28         }
  29 #endif
  30         *s1 = p;
  31         return s;
  32 }
  33 libc_hidden_def(strsep)
  34 #endif