[lldb] Silence GCC/glibc warnings about ignoring the return value of write(). NFC.

mstorsjo · mstorsjo · commit 6e38824221db · 2022-04-06T22:50:07.000+03:00
This matches how another similar warning is silenced in Host/posix/ProcessLauncherPosixFork.cpp. Differential Revision: https://reviews.llvm.org/D123205
diff --git a/lldb/source/Core/Debugger.cpp b/lldb/source/Core/Debugger.cpp
@@ -893,7 +893,8 @@ Status Debugger::SetInputString(const char *data) {
     return result;
   }
 
-  write(fds[WRITE], data, size);
+  int r = write(fds[WRITE], data, size);
+  (void)r;
   // Close the write end of the pipe, so that the command interpreter will exit
   // when it consumes all the data.
   llvm::sys::Process::SafelyCloseFileDescriptor(fds[WRITE]);

Original file line number	Diff line number	Diff line change
`@@ -893,7 +893,8 @@ Status Debugger::SetInputString(const char *data) {`
`893`	`893`	`return result;`
`894`	`894`	`}`
`895`	`895`
`896`		`- write(fds[WRITE], data, size);`
	`896`	`+ int r = write(fds[WRITE], data, size);`
	`897`	`+ (void)r;`
`897`	`898`	`// Close the write end of the pipe, so that the command interpreter will exit`
`898`	`899`	`// when it consumes all the data.`
`899`	`900`	`llvm::sys::Process::SafelyCloseFileDescriptor(fds[WRITE]);`