From: Explorer09 <explorer09@gmail.com>
Date: Fri, 22 Sep 2017 09:27:02 +0000 (+0800)
Subject: scanner: Simplify PRINT_SPACES() macro
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=37a6184dabcd82fa1d17c24c000f3da469296195;p=flex

scanner: Simplify PRINT_SPACES() macro
---

diff --git a/src/scanopt.c b/src/scanopt.c
index 7745c11..0b6d7d1 100644
--- a/src/scanopt.c
+++ b/src/scanopt.c
@@ -366,14 +366,8 @@ int     scanopt_usage (scanopt_t *scanner, FILE *fp, const char *usage)
 	}
 	desccol = maxlen[0] + indent * 2;
 
-#define PRINT_SPACES(fp,n)\
-    do{\
-        int _n;\
-        _n=(n);\
-        while(_n-- > 0)\
-            fputc(' ',(fp));\
-    }while(0)
-
+#define PRINT_SPACES(fp,n) \
+	fprintf((fp), "%*s", (n), "")
 
 	/* Second pass (same as above loop), this time we print. */
 	/* Sloppy hack: We iterate twice. The first time we print short and long options.