13

Makefile

@@ -1,6 +1,6 @@
 OBJ = str.o str_test.o util.o
 
-CFLAGS = -Wall
+CFLAGS = -Wall 
 
 TARGET=myprog
 

str.c

@@ -152,34 +152,46 @@ str_sub(str *s, int start_idx, int length)
 	return s2;
 }
 
+
 // Hint: you can create temporary string object!
-int
+int str_replace(str *s, char *substr, char *replacement)
-str_replace(str *s, char *substr, char *replacement)
 {
-	assert(s && substr && replacement);
+    assert(s && substr && replacement);
-	int substr_len = strlen(substr);
+    int substr_len = strlen(substr);
-	int replacement_len = strlen(replacement);
+    int count = 0;
-	int count = 0;
+    
-	
+    str temp;
-	str temp;
+    str_init(&temp);
-	str_init(&temp);
+    
-	
+    int pos = 0;
-	int pos = 0;
+    int found_pos;
-	int found_pos;
+    
-	
+    found_pos = str_find(s, substr);
-	while ((found_pos = str_find(s, substr)) != -1) {
+    
-		str_append_n(&temp, s->ptr + pos, found_pos - pos);
+    while (found_pos != -1) {
-		str_append(&temp, replacement);
+        str_append_n(&temp, s->ptr + pos, found_pos - pos);
-		pos = found_pos + substr_len;
+        str_append(&temp, replacement);
-		count++;
+        
-	}
+        pos = found_pos + substr_len;
-	
+        count++;
-	if (pos < s->len) {
+        
-		str_append_n(&temp, s->ptr + pos, s->len - pos);
+        str search_str;
-	}
+        str_init(&search_str);
-	
+        str_append_n(&search_str, s->ptr + pos, s->len - pos);
-	str_set(s, str_data(&temp));
+        found_pos = str_find(&search_str, substr);
-	str_deinit(&temp);
+        if (found_pos != -1) {
-	
+            found_pos += pos;
-	return count;
+        }
+        str_deinit(&search_str);
+    }
+    
+    if (pos < s->len) {
+        str_append_n(&temp, s->ptr + pos, s->len - pos);
+    }
+    
+    str_set(s, str_data(&temp));
+    
+    str_deinit(&temp);
+    
+    return count;
 }

str_test.c

@@ -99,6 +99,7 @@ test_it()
 		"str_sub, не правильная строка %s", str_data(&s2));
 	str_deinit(&s2);
 
+	//TEST str_init
 	//TEST str_replace
 	str_set(&s, "foo bar baz foo");
 	str_replace(&s, "foo", "test");