diff options
| -rw-r--r-- | funcs/func_strings.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/funcs/func_strings.c b/funcs/func_strings.c index 8b0d562ba..b0e7dfb50 100644 --- a/funcs/func_strings.c +++ b/funcs/func_strings.c @@ -384,6 +384,12 @@ static struct ast_custom_function sprintf_function = { static int quote(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) { char *bufptr = buf, *dataptr = data; + if (ast_strlen_zero(data)) { + ast_log(LOG_WARNING, "No argument specified!\n"); + ast_copy_string(buf, "\"\"", len); + return 0; + } + *bufptr++ = '"'; for (; bufptr < buf + len - 1; dataptr++) { if (*dataptr == '\\') { |