root/TSRM/tsrm_strtok_r.c

DEFINITIONS

1. in_character_class
2. tsrm_strtok_r
3. main

   1 #include <stdio.h>
   2 
   3 #include "tsrm_config_common.h"
   4 #include "tsrm_strtok_r.h"
   5 
   6 static inline int in_character_class(char ch, const char *delim)
   7 {
   8         while (*delim) {
   9                 if (*delim == ch) {
  10                         return 1;
  11                 }
  12                 delim++;
  13         }
  14         return 0;
  15 }
  16 
  17 TSRM_API char *tsrm_strtok_r(char *s, const char *delim, char **last)
  18 {
  19         char *token;
  20 
  21         if (s == NULL) {
  22                 s = *last;
  23         }
  24 
  25         while (*s && in_character_class(*s, delim)) {
  26                 s++;
  27         }
  28         if (!*s) {
  29                 return NULL;
  30         }
  31 
  32         token = s;
  33 
  34         while (*s && !in_character_class(*s, delim)) {
  35                 s++;
  36         }
  37         if (!*s) {
  38                 *last = s;
  39         } else {
  40                 *s = '\0';
  41                 *last = s + 1;
  42         }
  43         return token;
  44 }
  45 
  46 #if 0
  47 
  48 main()
  49 {
  50         char foo[] = "/foo/bar//\\barbara";
  51         char *last;
  52         char *token;
  53 
  54         token = tsrm_strtok_r(foo, "/\\", &last);
  55         while (token) {
  56                 printf ("Token = '%s'\n", token);
  57                 token = tsrm_strtok_r(NULL, "/\\", &last);
  58         }
  59 
  60         return 0;
  61 }
  62 
  63 #endif