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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 05/10] hush: refactor file_get()
Date: Tue, 12 Nov 2013 14:52:14 +0100	[thread overview]
Message-ID: <1384264339-15986-6-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1384264339-15986-1-git-send-email-s.hauer@pengutronix.de>

Save indentation level by returning early.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 common/hush.c | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/common/hush.c b/common/hush.c
index 7a077ba..f0f2eda 100644
--- a/common/hush.c
+++ b/common/hush.c
@@ -471,21 +471,23 @@ static int file_get(struct in_str *i)
 	int ch;
 
 	ch = 0;
+
 	/* If there is data waiting, eat it up */
-	if (i->p && *i->p) {
+	if (i->p && *i->p)
+		return *i->p++;
+
+	/* need to double check i->file because we might be doing something
+	 * more complicated by now, like sourcing or substituting. */
+	while (!i->p  || strlen(i->p) == 0 )
+		get_user_input(i);
+
+	i->promptmode = 2;
+
+	if (i->p && *i->p)
 		ch = *i->p++;
-	} else {
-		/* need to double check i->file because we might be doing something
-		 * more complicated by now, like sourcing or substituting. */
-			while (!i->p  || strlen(i->p) == 0 ) {
-				get_user_input(i);
-			}
-			i->promptmode = 2;
-			if (i->p && *i->p) {
-				ch = *i->p++;
-			}
-		debug("%s: got a %d\n", __func__, ch);
-	}
+
+	debug("%s: got a %d\n", __func__, ch);
+
 	return ch;
 }
 
-- 
1.8.4.2


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  parent reply	other threads:[~2013-11-12 13:52 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-12 13:52 hush patches Sascha Hauer
2013-11-12 13:52 ` [PATCH 01/10] hush: fix exit on syntax error behaviour Sascha Hauer
2013-11-12 13:52 ` [PATCH 02/10] hush: refactor readline call Sascha Hauer
2013-11-12 13:52 ` [PATCH 03/10] readline: remove unused variable Sascha Hauer
2013-11-12 13:52 ` [PATCH 04/10] hush: refactor get_user_input() Sascha Hauer
2013-11-12 13:52 ` Sascha Hauer [this message]
2013-11-12 13:52 ` [PATCH 06/10] hush: rename __promptme to interrupt Sascha Hauer
2013-11-12 13:52 ` [PATCH 07/10] consolidate syntax() and syntax_err() Sascha Hauer
2013-11-12 13:52 ` [PATCH 08/10] hush: Be more informative on syntax error Sascha Hauer
2013-11-12 13:52 ` [PATCH 09/10] hush: use standard ARRAY_SIZE Sascha Hauer
2013-11-12 13:52 ` [PATCH 10/10] hush: refactor reserved_word() Sascha Hauer

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