Call IDs: Fix appearance of call ID in core show channels when NULL

NULL call IDs were meant to appear as '(none)' but instead were showing
the contents of an uninitialized character buffer.

ASTERISK-24223
Review: https://reviewboard.asterisk.org/r/3979/

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/12@422664 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/cli.c b/main/cli.c
index 8735fff8d05b2a030248863703cd009f2a7689b5..99622631881b2e6e42232ee360bc5d203f00b2e4 100644 (file)
--- a/main/cli.c
+++ b/main/cli.c
@@ -1576,6 +1576,7 @@ static char *handle_showchan(struct ast_cli_entry *e, int cmd, struct ast_cli_ar
        ast_translate_path_to_str(ast_channel_readtrans(chan), &read_transpath);
 
        bridge = ast_channel_get_bridge(chan);
+       callid_buf[0] = '\0';
        callid = ast_channel_callid(chan);
        if (callid) {
                ast_callid_strnprint(callid_buf, sizeof(callid_buf), callid);