ext/calendar: Fix integer overflow in GregorianToSdn()

arshidkv12 · arshidkv12 · commit 0cabaf2d93e4 · 2026-07-05T19:59:43.000+05:30
ext/calendar: Fix integer overflow in GregorianToSdn()

ext/calendar: Fix integer overflow in GregorianToSdn()
diff --git a/ext/calendar/gregor.c b/ext/calendar/gregor.c
@@ -223,14 +223,13 @@ zend_long GregorianToSdn(
 			return (0);
 		}
 	}
-
 	/* Make year always a positive number. */
 	if (inputYear < 0) {
 		year = inputYear + 4801;
 	} else {
 		year = inputYear + 4800;
 	}
-
+	
 	/* Adjust the start of the year. */
 	if (inputMonth > 2) {
 		month = inputMonth - 3;

Original file line number	Diff line number	Diff line change
`@@ -223,14 +223,13 @@ zend_long GregorianToSdn(`
`223`	`223`	`return (0);`
`224`	`224`	`}`
`225`	`225`	`}`
`226`		`-`
`227`	`226`	`/* Make year always a positive number. */`
`228`	`227`	`if (inputYear < 0) {`
`229`	`228`	`year = inputYear + 4801;`
`230`	`229`	`} else {`
`231`	`230`	`year = inputYear + 4800;`
`232`	`231`	`}`
`233`		`-`
	`232`	`+`
`234`	`233`	`/* Adjust the start of the year. */`
`235`	`234`	`if (inputMonth > 2) {`
`236`	`235`	`month = inputMonth - 3;`