make resize easier to read and add note

Links2004 · Links2004 · commit bac5ce0490a9 · 2016-01-23T23:23:02.000+01:00
diff --git a/cores/esp8266/cbuf.cpp b/cores/esp8266/cbuf.cpp
@@ -37,7 +37,9 @@ size_t cbuf::resize(size_t newSize) {
 
     size_t available = getSize();
 
-    if((available > newSize) || (newSize == _size)) {
+	// not lose any data
+	// if data can be lost use remove or flush before resize
+    if((newSize < available) || (newSize == _size)) {
         return _size;
     }
 

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,9 @@ size_t cbuf::resize(size_t newSize) {`
`37`	`37`
`38`	`38`	`size_t available = getSize();`
`39`	`39`
`40`		`- if((available > newSize) \|\| (newSize == _size)) {`
	`40`	`+ // not lose any data`
	`41`	`+ // if data can be lost use remove or flush before resize`
	`42`	`+ if((newSize < available) \|\| (newSize == _size)) {`
`41`	`43`	`return _size;`
`42`	`44`	`}`
`43`	`45`