oslib/strsep.c

   1 #ifndef CONFIG_STRSEP
   2
   3 #include <stddef.h>
   4 #include "strsep.h"
   5
   6 char *strsep(char **stringp, const char *delim)
   7 {
   8         char *s, *tok;
   9         const char *spanp;
  10         int c, sc;
  11
  12         s = *stringp;
  13         if (!s)
  14                 return NULL;
  15
  16         tok = s;
  17         do {
  18                 c = *s++;
  19                 spanp = delim;
  20                 do {
  21                         sc = *spanp++;
  22                         if (sc == c) {
  23                                 if (c == 0)
  24                                         s = NULL;
  25                                 else
  26                                         s[-1] = 0;
  27                                 *stringp = s;
  28                                 return tok;
  29                         }
  30                 } while (sc != 0);
  31         } while (1);
  32 }
  33
  34 #endif