fix cast

zeriyoshi · zeriyoshi · commit 20b7215a50af · 2022-02-18T00:06:22.000+09:00
diff --git a/ext/random/random.c b/ext/random/random.c
@@ -612,7 +612,7 @@ static uint64_t user_generate(void *state) {
 	if (size > 0) {
 		/* Endianness safe copy */
 		for (i = 0; i < size; i++) {
-			result += (unsigned char) Z_STRVAL(retval)[i] << 8 * i;
+			result += ((uint64_t) (unsigned char) Z_STRVAL(retval)[i]) << (8 * i);
 		}
 	} else {
 		result = 0;

Original file line number	Diff line number	Diff line change
`@@ -612,7 +612,7 @@ static uint64_t user_generate(void *state) {`
`612`	`612`	`if (size > 0) {`
`613`	`613`	`/* Endianness safe copy */`
`614`	`614`	`for (i = 0; i < size; i++) {`
`615`		`- result += (unsigned char) Z_STRVAL(retval)[i] << 8 * i;`
	`615`	`+ result += ((uint64_t) (unsigned char) Z_STRVAL(retval)[i]) << (8 * i);`
`616`	`616`	`}`
`617`	`617`	`} else {`
`618`	`618`	`result = 0;`