fixed overflow in map

gbr1 · gbr1 · commit e77a95105050 · 2026-04-15T12:24:58.000+02:00
diff --git a/api/Common.cpp b/api/Common.cpp
@@ -22,7 +22,7 @@
 /* C++ prototypes */
 long map(long x, long in_min, long in_max, long out_min, long out_max)
 {
-  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+  return (long)((long long)(x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min);
 }
 
 uint16_t makeWord(uint16_t w) { return w; }

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@`
`22`	`22`	`/* C++ prototypes */`
`23`	`23`	`long map(long x, long in_min, long in_max, long out_min, long out_max)`
`24`	`24`	`{`
`25`		`- return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;`
	`25`	`+ return (long)((long long)(x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min);`
`26`	`26`	`}`
`27`	`27`
`28`	`28`	`uint16_t makeWord(uint16_t w) { return w; }`