[libc-commits] [libc] [libc] Add printf error handling (PR #162876)

[Michael Jones via libc-commits]

================
@@ -10,27 +10,35 @@
 #include "src/stdio/fclose.h"
 #include "src/stdio/ferror.h"
 #include "src/stdio/fopen.h"
+#include "src/stdio/fopencookie.h"
----------------
michaelrj-google wrote:

`fopencookie` is a posix specific function, we can't assume it's always available. If you want to test that `EOVERFLOW` triggers correctly you should do that in the `snprintf` test.

https://github.com/llvm/llvm-project/pull/162876