[libc-commits] [libc] [libc] Add program_invocation(_short)_name and tweak err.h functions (PR #212448)

[Pavel Labath via libc-commits]

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@@ -83,6 +85,15 @@ static TLSDescriptor tls;
   // Initialize the POSIX global declared in unistd.h
   environ = reinterpret_cast<char **>(env_ptr);
 
+  if (app.args->argc > 0 && app.args->argv[0] != 0) {
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labath wrote:

For better or worse `argv` is defined as `uintptr_t[]` (that's why there's a cast below).

https://github.com/llvm/llvm-project/pull/212448