tree-wide: drop 'This file is part of systemd' blurb

[elogind.git] / src / basic / stdio-util.h

diff --git a/src/basic/stdio-util.h b/src/basic/stdio-util.h
index 359d12284bf052ac3ba3a7745a7c887cd5aa849b..8a7544cf52995771a4c208099d85526d8c14ed69 100644 (file)
--- a/src/basic/stdio-util.h
+++ b/src/basic/stdio-util.h
@@ -1,36 +1,26 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
 /***
-  This file is part of systemd.
-
   Copyright 2010 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#ifdef __GLIBC__
+#if 0 /// elogind is musl-libc compatible and does not directly include printf.h
 #include <printf.h>
-#endif
+#else
+#include "parse-printf-format.h"
+#endif // 0
 #include <stdarg.h>
 #include <stdio.h>
 #include <sys/types.h>
 
 #include "macro.h"
 
-#define xsprintf(buf, fmt, ...) \
-        assert_message_se((size_t) snprintf(buf, ELEMENTSOF(buf), fmt, __VA_ARGS__) < ELEMENTSOF(buf), "xsprintf: " #buf "[] must be big enough")
+#define snprintf_ok(buf, len, fmt, ...) \
+        ((size_t) snprintf(buf, len, fmt, __VA_ARGS__) < (len))
 
+#define xsprintf(buf, fmt, ...) \
+        assert_message_se(snprintf_ok(buf, ELEMENTSOF(buf), fmt, __VA_ARGS__), "xsprintf: " #buf "[] must be big enough")
 
 #define VA_FORMAT_ADVANCE(format, ap)                                   \
 do {                                                                    \
@@ -75,4 +65,4 @@ do {                                                                    \
                         assert_not_reached("Unknown format string argument."); \
                 }                                                       \
         }                                                               \
-} while(false)
+} while (false)