first commit

CS4210/Project 3/common/strtok_r/strtok_r.c

@@ -0,0 +1,48 @@
+#include "include/strtok_r.h"
+#include <stddef.h>
+
+
+char *strtok_r(char *s, const char *delim, char** s3)
+{
+    char *pR;
+    short bDone=0;
+    size_t i,j;
+    
+    if(s != NULL){
+        *s3 = s;
+    }
+    if(**s3 == '\0'){
+        return NULL;
+    }
+    
+    for(;;){
+        bDone = 1;
+        for(j=0; *(delim+j) != '\0'; j++){
+            if(**s3 == *(delim+j)){
+                **s3 = '\0';
+                (*s3)+=1;
+                bDone = 0;
+                break;
+            }
+        }
+        if(bDone == 1){
+            break;
+        }
+    }
+
+    for(i=0; *(*s3+i) != '\0'; i++){
+        
+        for(j=0; *(delim+j) != '\0'; j++){
+            if(*(*s3+i) == *(delim+j)){
+                pR = *s3;
+                *(*s3+i) = '\0';
+                *s3 += i+1;
+                
+                return pR;
+            }
+        }
+    }
+    pR = *s3;
+    *s3 += i;
+    return pR;
+}