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If no variables were passed into pbx_substitute_variables_helper_full(), then

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don't even bother creating a temporary bogus channel, since that is only for
allowing certain functions to operate on the variables as if they were on a 
channel.  Most importantly, this fixes a crash.
(issue #9613, reported by callguy, fixed by me)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@62171 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-04-27 16:14:11 +00:00
parent 34f9e0c4dd
commit a53ebcf546
1 changed files with 1 additions and 1 deletions
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2
main/pbx.c
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@@ -1642,7 +1642,7 @@ static void pbx_substitute_variables_helper_full(struct ast_channel *c, struct v
parse_variable_name(vars, &offset, &offset2, &isfunction);
if (isfunction) {
/* Evaluate function */
if (c)
if (c || !headp)
cp4 = ast_func_read(c, vars, workspace, VAR_BUF_SIZE) ? NULL : workspace;
else {
struct varshead old;