From 1030dec1facba1b82225a801fd5e79e6700780b1 Mon Sep 17 00:00:00 2001
From: Jouni Malinen <j@w1.fi>
Date: Sun, 27 Oct 2019 17:08:31 +0200
Subject: [PATCH] JSON: Fix escaping of characters that have MSB=1 with signed
char
The "\\u%04x" printf string did not really work in the correct way if
char is signed. Fix this by type casting this to unsigned char.
Signed-off-by: Jouni Malinen <j@w1.fi>
---
src/utils/json.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/utils/json.c b/src/utils/json.c
index b64433959..3e5e21477 100644
--- a/src/utils/json.c
+++ b/src/utils/json.c
@@ -51,7 +51,7 @@ void json_escape_string(char *txt, size_t maxlen, const char *data, size_t len)
*txt++ = data[i];
} else {
txt += os_snprintf(txt, end - txt, "\\u%04x",
- data[i]);
+ (unsigned char) data[i]);
}
break;
}