fix json escaping

diff --git a/src/common/escape.c b/src/common/escape.c
index 78377726639c79f11a1641816d4b11b28e6e507b..95a7540ffcdfa5363ea4ad706054f13969ae05ee 100644 (file)
--- a/src/common/escape.c
+++ b/src/common/escape.c
@@ -143,7 +143,7 @@ int escape_json_attr_len(const char *buf)
                default:
                        // Escape control characters.
                        if ((c < 0x20) || (c == 0x7f)) {
-                               ret += 5;
+                               ret += 6;
                        }
                        else {
                                ret++;
@@ -185,8 +185,8 @@ void escape_json_attr(const char *buf, char *out)
                default:
                        // Escape control characters.
                        if ((c < 0x20) || (c == 0x7f)) {
-                               snprintf(o, 6, "\\%04x", c);
-                               o += 5;
+                               snprintf(o, 6, "\\u%04x", c);
+                               o += 6;
                        }
                        else {
                                *o++ = c;