[lldb] Fix a warning

kazutakahirata · JDevlieghere · commit 165407a46b64 · 2022-02-25T13:39:26.000-08:00
This patch fixes: lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp:386:13: error: comparison between NULL and non-pointer ('lldb::addr_t' (aka 'unsigned long') and NULL) [-Werror,-Wnull-arithmetic] (cherry picked from commit ee4b462)
diff --git a/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp b/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
@@ -398,7 +398,7 @@ uint32_t PlatformWindows::DoLoadImage(Process *process,
     return LLDB_INVALID_IMAGE_TOKEN;
   }
 
-  if (token == NULL) {
+  if (!token) {
     // XXX(compnerd) should we use the compiler to get the sizeof(unsigned)?
     uint64_t error_code =
         process->ReadUnsignedIntegerFromMemory(injected_result + 2 * word_size + sizeof(unsigned),

Original file line number	Diff line number	Diff line change
`@@ -398,7 +398,7 @@ uint32_t PlatformWindows::DoLoadImage(Process *process,`
`398`	`398`	`return LLDB_INVALID_IMAGE_TOKEN;`
`399`	`399`	`}`
`400`	`400`
`401`		`- if (token == NULL) {`
	`401`	`+ if (!token) {`
`402`	`402`	`// XXX(compnerd) should we use the compiler to get the sizeof(unsigned)?`
`403`	`403`	`uint64_t error_code =`
`404`	`404`	`process->ReadUnsignedIntegerFromMemory(injected_result + 2 * word_size + sizeof(unsigned),`