libfoundation: Allow nil buffer when creating 0-length input stream

peter-b · peter-b · commit faa8e2e914d7 · 2015-10-12T12:31:49.000+01:00
diff --git a/libfoundation/src/foundation-stream.cpp b/libfoundation/src/foundation-stream.cpp
@@ -145,7 +145,7 @@ static MCStreamCallbacks kMCMemoryInputStreamCallbacks =
 MC_DLLEXPORT_DEF
 bool MCMemoryInputStreamCreate(const void *p_block, size_t p_size, MCStreamRef& r_stream)
 {
-	MCAssert(nil != p_block);
+	MCAssert(nil != p_block || 0 == p_size);
 
 	MCStreamRef t_stream;
 	if (!MCStreamCreate(&kMCMemoryInputStreamCallbacks, sizeof(__MCMemoryInputStream), t_stream))

Original file line number	Diff line number	Diff line change
`@@ -145,7 +145,7 @@ static MCStreamCallbacks kMCMemoryInputStreamCallbacks =`
`145`	`145`	`MC_DLLEXPORT_DEF`
`146`	`146`	`bool MCMemoryInputStreamCreate(const void *p_block, size_t p_size, MCStreamRef& r_stream)`
`147`	`147`	`{`
`148`		`- MCAssert(nil != p_block);`
	`148`	`+ MCAssert(nil != p_block \|\| 0 == p_size);`
`149`	`149`
`150`	`150`	`MCStreamRef t_stream;`
`151`	`151`	`if (!MCStreamCreate(&kMCMemoryInputStreamCallbacks, sizeof(__MCMemoryInputStream), t_stream))`