str_trim

src/string/str.c

@@ -132,3 +132,39 @@ str hex_to_str(Array(u8) buf, bool uppercase){
     StringBuilder_append_memory(&sb, buf, uppercase);
     return StringBuilder_getStr(&sb);
 }
+
+void str_trim(str* line, bool set_zero_at_end){
+    bool stop = false;
+    // loop forward
+    while(line->size > 0 && !stop){
+        char first_char = line->data[line->size - 1];
+        switch(first_char){
+            case '\0': case '\r': case '\n':
+            case '\t': case ' ':
+                line->data++;
+                line->size--;
+                break;
+            default:
+                stop = true;
+                break;
+        }
+    }
+    // loop backward
+    while(line->size > 0 && !stop)
+    {
+        char last_char = line->data[line->size - 1];
+        switch(last_char){
+            case '\0': case '\r': case '\n':
+            case '\t': case ' ':
+                line->size--;
+                break;
+            default:
+                stop = true;
+                break;
+        }
+    }
+    if(set_zero_at_end){
+        line->data[line->size] = '\0';
+        line->isZeroTerminated = true;
+    }
+}