Fix empty buffer parser

pvizeli · web-flow · commit 943873564c3e · 2017-06-16T08:37:10.000+02:00
diff --git a/src/CmdParser.cpp b/src/CmdParser.cpp
@@ -24,7 +24,7 @@ uint16_t CmdParser::parseCmd(uint8_t *buffer, size_t bufferSize)
     m_paramCount = 0;
 
     // buffer is not okay
-    if (buffer == NULL || bufferSize == 0) {
+    if (buffer == NULL || bufferSize == 0 || buffer[0] == 0x00) {
         return CMDPARSER_ERROR;
     }
 

Original file line number	Diff line number	Diff line change
`@@ -24,7 +24,7 @@ uint16_t CmdParser::parseCmd(uint8_t *buffer, size_t bufferSize)`
`24`	`24`	`m_paramCount = 0;`
`25`	`25`
`26`	`26`	`// buffer is not okay`
`27`		`- if (buffer == NULL \|\| bufferSize == 0) {`
	`27`	`+ if (buffer == NULL \|\| bufferSize == 0 \|\| buffer[0] == 0x00) {`
`28`	`28`	`return CMDPARSER_ERROR;`
`29`	`29`	`}`
`30`	`30`