From: Eric Andersen <andersen@codepoet.org>
Date: Thu, 31 May 2001 17:17:12 +0000 (-0000)
Subject: Cope gracefully when people type something, then hit ^C.
X-Git-Tag: 0_52~122
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4f6753e586dba5e6c240e670d41fc8fd011034e1;p=platform%2Fupstream%2Fbusybox.git

Cope gracefully when people type something, then hit ^C.
 -Erik
---

diff --git a/hush.c b/hush.c
index 5c129ce..372c957 100644
--- a/hush.c
+++ b/hush.c
@@ -891,6 +891,7 @@ static void get_user_input(struct in_str *i)
 	the_command[0]=fgetc(i->file);
 	the_command[1]='\0';
 #endif
+	fflush(stdout);
 	i->p = the_command;
 }
 
@@ -908,7 +909,9 @@ static int file_get(struct in_str *i)
 		/* need to double check i->file because we might be doing something
 		 * more complicated by now, like sourcing or substituting. */
 		if (i->__promptme && interactive && i->file == stdin) {
-			get_user_input(i);
+			while(! i->p || (interactive && strlen(i->p)==0) ) {
+				get_user_input(i);
+			}
 			i->promptmode=2;
 			i->__promptme = 0;
 			if (i->p && *i->p) {
diff --git a/shell/hush.c b/shell/hush.c
index 5c129ce..372c957 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -891,6 +891,7 @@ static void get_user_input(struct in_str *i)
 	the_command[0]=fgetc(i->file);
 	the_command[1]='\0';
 #endif
+	fflush(stdout);
 	i->p = the_command;
 }
 
@@ -908,7 +909,9 @@ static int file_get(struct in_str *i)
 		/* need to double check i->file because we might be doing something
 		 * more complicated by now, like sourcing or substituting. */
 		if (i->__promptme && interactive && i->file == stdin) {
-			get_user_input(i);
+			while(! i->p || (interactive && strlen(i->p)==0) ) {
+				get_user_input(i);
+			}
 			i->promptmode=2;
 			i->__promptme = 0;
 			if (i->p && *i->p) {