[libc-commits] [libc] [libc] Fix memory leak in linux/file.cpp (PR #150801)

[via libc-commits]

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@@ -165,6 +165,7 @@ ErrorOr<LinuxFile *> create_file_from_fd(int fd, const char *mode) {
   auto *file = new (ac)
       LinuxFile(fd, buffer, File::DEFAULT_BUFFER_SIZE, _IOFBF, true, modeflags);
   if (!ac) {
+    free(buffer);
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lntue wrote:

There are other places in this file having similar issue.  We should create a Buffer class wrapper to make sure it is cleanup properly with RAII.

https://github.com/llvm/llvm-project/pull/150801