main/strings: Fix uninitialized value.

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
8 years ago · 622a1de0f0
parent 88e8c22b02
commit 622a1de0f0
1 changed files with 1 additions and 1 deletions
--- a/main/strings.c
+++ b/main/strings.c
@ -312,7 +312,7 @@ 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)) {