From 960420df3e7ba3e399fbc73001d79b5d1cf10a1d Mon Sep 17 00:00:00 2001 From: Přemysl Eric Janouch Date: Sat, 31 Oct 2020 21:27:30 +0100 Subject: Escape DEL character in config_item_write_string() --- liberty.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/liberty.c b/liberty.c index 9705081..e323149 100644 --- a/liberty.c +++ b/liberty.c @@ -4708,13 +4708,15 @@ config_item_write_string (struct str *output, const struct str *s) for (size_t i = 0; i < s->len; i++) { unsigned char c = s->str[i]; - if (c == '\n') str_append (output, "\\n"); - else if (c == '\r') str_append (output, "\\r"); - else if (c == '\t') str_append (output, "\\t"); - else if (c == '\\') str_append (output, "\\\\"); - else if (c == '"') str_append (output, "\\\""); - else if (c < 32) str_append_printf (output, "\\x%02x", c); - else str_append_c (output, c); + if (c == '\n') str_append (output, "\\n"); + else if (c == '\r') str_append (output, "\\r"); + else if (c == '\t') str_append (output, "\\t"); + else if (c == '\\') str_append (output, "\\\\"); + else if (c == '"') str_append (output, "\\\""); + else if (iscntrl_ascii (c)) + str_append_printf (output, "\\x%02x", c); + else + str_append_c (output, c); } str_append_c (output, '"'); } -- cgit v1.2.3-70-g09d2