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main/strings: Fix uninitialized value.

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ast_strings_match uses sscanf and checks for non-zero return to verify a
token was parsed. This is incorrect as sscanf returns EOF (-1) for errors.

ASTERISK-27318 #close

Change-Id: Ifcece92605f58116eff24c5a0a3b0ee08b3c87b1
This commit is contained in:
Corey Farrell
2017-10-05 21:23:31 -04:00
parent 646d97f626
commit 462dd7c2de
1 changed files with 1 additions and 1 deletions
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2
main/strings.c
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@@ -314,7 +314,7 @@ regex:
}
equals:
scan_numeric = (sscanf(left, "%lf", &left_num) && sscanf(internal_right, "%lf", &right_num));
scan_numeric = (sscanf(left, "%lf", &left_num) > 0 && sscanf(internal_right, "%lf", &right_num) > 0);
if (internal_op[0] == '=') {
if (ast_strlen_zero(left) && ast_strlen_zero(internal_right)) {