From: Alejandro Colomar <alx@kernel.org>
Date: Sun, 13 Jul 2025 11:58:34 +0000 (+0200)
Subject: lib/io/fprintf/: eprintf(): Add macro to print to stderr
X-Git-Tag: 4.20.0-rc3~5
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=e662fba0d71829708e2e00c4271f4db80324af3d;p=thirdparty%2Fshadow.git

lib/io/fprintf/: eprintf(): Add macro to print to stderr

This will allow having shorter lines for writing to stderr.

This name is commonly used in other projects, it seems (see link below).

Link: <https://gcc.gnu.org/onlinedocs/gcc-3.1.1/cpp/Variadic-Macros.html>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---

diff --git a/lib/io/fprintf.h b/lib/io/fprintf.h
index 3848d7c84..4621b9866 100644
--- a/lib/io/fprintf.h
+++ b/lib/io/fprintf.h
@@ -16,6 +16,10 @@
 #include "attr.h"
 
 
+// eprintf - stderr print formatted
+#define eprintf(...)  fprintf(stderr, __VA_ARGS__)
+
+
 // fprinte - FILE* print errno
 #define fprinte(stream, ...)  do                                      \
 {                                                                     \