Small fixes

interpreter.c

@@ -56,7 +56,7 @@ static int bfi_execution_error(char* reason, int code)
  * to be executed.
  * Hypotheses: bfi_token_start points just after the opening bracket.
  */
-static int bfi_skip_forward(void)
+static void bfi_skip_forward(void)
 {
 	int context = 0;
 	int next = -1;
@@ -70,17 +70,15 @@ static int bfi_skip_forward(void)
 			/* Closing bracket */
 			case JNB: context--;
 				if(context == 0)
-					return next;
+					return;
 				break;
 			/* End of the program or unknown instruction. */
 			case EOT:
 			case SOT:
 			case UKW:
-				return next;
+				return;
 		}
 	}
-	
-	return next;
 }
 
 /**
@@ -88,7 +86,7 @@ static int bfi_skip_forward(void)
  * to be executed.
  * Hypotheses: bfi_token_start points just before the closing bracket.
  */
-int bfi_skip_backward(void)
+static void bfi_skip_backward(void)
 {
 	int context = 0;
 	int prev = -1;
@@ -99,7 +97,7 @@ int bfi_skip_backward(void)
 		{ /* Opening bracket */
 			case JZF: context--; 
 				if(context == 0)
-					return prev;
+					return;
 				break;
 			/* Closing bracket */
 			case JNB: context++; 
@@ -108,11 +106,9 @@ int bfi_skip_backward(void)
 			case EOT:
 			case SOT:
 			case UKW:
-				return prev;
+				return;
 		}
 	}
-	
-	return prev;
 }
 
 /**
@@ -201,11 +197,11 @@ int bfi_execute(char* program, size_t length, enum bfi_dialects dialect, char pr
 				break;
 			case JZF:
 				if(*bfi_head == 0)
-					next = bfi_skip_forward();
+					bfi_skip_forward();
 				break;
 			case JNB:
 				if(*bfi_head != 0)
-					next = bfi_skip_backward();
+					bfi_skip_backward();
 				break;
 			case UKW:
 			default:
@@ -214,8 +210,10 @@ int bfi_execute(char* program, size_t length, enum bfi_dialects dialect, char pr
 	}
 
 	bfi_execution_error("End of Program", *bfi_head);
+
 	/* Ensure there is an end of line */
 	printf("\n");
+
 	return (int)*bfi_head;
 }
 

main.c

@@ -171,7 +171,7 @@ int main(int argc, const char *argv[])
 	{
 		perror("init");
 		printf(COLOR_ERR "Error during the loading of '%s'." COLOR_RST "\n", options.filename);
-		return 1;
+		return err;
 	}
 	
 	/* Print the program as loaded into memory. */