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Fix another "Possible programming error" bug.

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Similar to the previous commit, don't pass
a printf-generated string to ast_strlen_zero.



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8-digiumphones@360035 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
2012-03-20 20:40:46 +00:00
parent 7c612e030a
commit 8c19a4eeb1
1 changed files with 5 additions and 4 deletions
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9
main/pbx.c
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@@ -4452,17 +4452,18 @@ static int extension_presence_state_helper(struct ast_exten *e, char **subtype,
{ {
struct ast_str *hint_app = ast_str_thread_get(&extensionstate_buf, 32); struct ast_str *hint_app = ast_str_thread_get(&extensionstate_buf, 32);
char *presence_provider; char *presence_provider;
const char *app;
if (!e || !hint_app) { if (!e || !hint_app) {
return -1; return -1;
} }
ast_str_set(&hint_app, 0, "%s", ast_get_extension_app(e)); app = ast_get_extension_app(e);
presence_provider = parse_hint_presence(hint_app); if (ast_strlen_zero(app)) {
if (ast_strlen_zero(presence_provider)) {
return -1; return -1;
} }
ast_str_set(&hint_app, 0, "%s", app);
presence_provider = parse_hint_presence(hint_app);
return ast_presence_state(presence_provider, subtype, message); return ast_presence_state(presence_provider, subtype, message);
} }