[git commit master] libbb/lineedit: restore ^D handling for unicode

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=2f3f09c287f43dcad50b740793c2b467f166c058
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 libbb/lineedit.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 3689b4b..9b112bc 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -114,8 +114,8 @@ struct lineedit_statics {
 	unsigned cmdedit_prmt_len; /* length of prompt (without colors etc) */
 
 	unsigned cursor;
-	unsigned command_len;
-	/* *int* maxsize: we want x in "if (x > S.maxsize)"
+	int command_len; /* must be signed */
+	/* signed maxsize: we want x in "if (x > S.maxsize)"
 	 * to _not_ be promoted to unsigned */
 	int maxsize;
 	CHAR_T *command_ps;
@@ -2124,7 +2124,9 @@ int FAST_FUNC read_line_input(const char *prompt, char *command, int maxsize, li
 #undef command
 
 #if ENABLE_FEATURE_ASSUME_UNICODE
-	command_len = save_string(command, maxsize - 1);
+	command[0] = '\0';
+	if (command_len > 0)
+		command_len = save_string(command, maxsize - 1);
 	free(command_ps);
 #endif
 
-- 
1.6.3.3