1 files changed, 23 insertions, 23 deletions
diff --git a/ch7/7-05_postfix-calc-scanf.c b/ch7/7-05_postfix-calc-scanf.c
index 161f5f0..fa20f27 100644
--- a/ch7/7-05_postfix-calc-scanf.c
+++ b/ch7/7-05_postfix-calc-scanf.c
@@ -64,29 +64,29 @@ int main() {
 			push(a);
 		} else if (sscanf(s, "%s", buf)) {
 			for (c = buf; *c; c++) {
-			switch (*c) {
-				case '+':
-					push(pop() + pop());
-					break;
-				case '*':
-					push(pop() * pop());
-					break;
-				case '-':
-					op2 = pop();
-					push(pop() - op2);
-					break;
-				case '/':
-					op2 = pop();
-					if (op2 != 0.0) {
-						push(pop() / op2);
-					} else {
-						printf("Error: Cannot divide by zero.\n");
-					}
-					break;
-				default:
-					printf("Error: Unknown command %s\n", s);
-					break;
-			}
+				switch (*c) {
+					case '+':
+						push(pop() + pop());
+						break;
+					case '*':
+						push(pop() * pop());
+						break;
+					case '-':
+						op2 = pop();
+						push(pop() - op2);
+						break;
+					case '/':
+						op2 = pop();
+						if (op2 != 0.0) {
+							push(pop() / op2);
+						} else {
+							printf("Error: Cannot divide by zero.\n");
+						}
+						break;
+					default:
+						printf("Error: Unknown command %s\n", s);
+						break;
+				}
 			}
 			if (ltr == '\n') {
 				printf("%.8f\n", pop());