[libc-commits] [libc] [libc] Add putc, fputc, and fprintf to stdio/baremetal (PR #144567)

William Huynh via libc-commits libc-commits at lists.llvm.org
Wed Jul 2 07:38:21 PDT 2025


================
@@ -7,14 +7,15 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/stdio/putchar.h"
+
 #include "src/__support/CPP/string_view.h"
 #include "src/__support/OSUtil/io.h"
 #include "src/__support/macros/config.h"
 
 namespace LIBC_NAMESPACE_DECL {
 
 LLVM_LIBC_FUNCTION(int, putchar, (int c)) {
-  char uc = static_cast<char>(c);
+  char uc = static_cast<unsigned char>(c);
----------------
saturn691 wrote:

yep, I got thrown off by "uc" = unsigned char, but char is ok too

https://github.com/llvm/llvm-project/pull/144567


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