msieve-wasm/msieve-parser.patch at master · cryptool-org/msieve-wasm · GitHub

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--- msieve/common/expr_eval.c	2016-11-11 16:40:25.000000000 +0100
+++ msieve/common/expr_eval.c	2026-04-30 19:55:01.739053661 +0200
@@ -372,7 +372,7 @@
 /*---------------------------------------------------------------------*/
 int32 evaluate_expression(char *expr, mp_t *res) {

-	int status;
+	int status, isHex;
 	char postfix[BIGNUM_BUF_SIZE];
 	char *tmp;

@@ -381,13 +381,15 @@

 	mp_clear(res);
 	tmp = expr;
-	if (tmp[0] == '0' && tolower(tmp[1]) == 'x')
+	isHex = 0;
+	if (tmp[0] == '0' && tolower(tmp[1]) == 'x') {
+		isHex = 1;
 		tmp += 2;
-	else if (tmp[0] == '0')
+	} else if (tmp[0] == '0')
 		tmp++;

 	while (*tmp != 0) {
-		if (!isxdigit(*tmp))
+		if (isHex ? !isxdigit(*tmp) : !isdigit(*tmp))
 			break;
 		tmp++;
 	}