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fix endless loop in mod_expr 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9217 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-08-01 16:00:55 +00:00
parent d8816f7d73
commit b3720e9b10
1 changed files with 11 additions and 1 deletions
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12
src/mod/applications/mod_expr/mod_expr.c
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@ -52,6 +52,7 @@ SWITCH_STANDARD_API(expr_function)
char val[512] = "", *p;
char *m_cmd = NULL;
size_t len;
int ec = 0;
if (switch_strlen_zero(cmd)) {
goto error;
@ -126,7 +127,16 @@ SWITCH_STANDARD_API(expr_function)
do {
err = exprEval(e, &last_expr);
} while (err);
if (err) {
ec++;
} else {
ec = 0;
}
} while (err && ec < 3);
if (err) {
goto error;
}
switch_snprintf(val, sizeof(val), "%0.10f", last_expr);
for (p = (val + strlen(val) - 1); p != val; p--) {