X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=include%2Fwimlib%2Fcompiler.h;h=a43bb769fdce9c752e3a75920c6ce48744133579;hb=993d197cac3a09508f2afefe0e2a620d7e43fa1a;hp=c469010bdfa86e178274a7a1d5b64ced21e7d068;hpb=a82a0fbc625a96aabd2a11e79fb6aedf1fe313b3;p=wimlib

diff --git a/include/wimlib/compiler.h b/include/wimlib/compiler.h
index c469010b..a43bb769 100644
--- a/include/wimlib/compiler.h
+++ b/include/wimlib/compiler.h
@@ -3,8 +3,21 @@
  *
  * Compiler-specific definitions.  Currently, only GCC and clang are supported.
  *
- * The author dedicates this file to the public domain.
- * You can do whatever you want with this file.
+ * The following copying information applies to this specific source code file:
+ *
+ * Written in 2013-2016 by Eric Biggers <ebiggers3@gmail.com>
+ *
+ * To the extent possible under law, the author(s) have dedicated all copyright
+ * and related and neighboring rights to this software to the public domain
+ * worldwide via the Creative Commons Zero 1.0 Universal Public Domain
+ * Dedication (the "CC0").
+ *
+ * This software 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 CC0 for more details.
+ *
+ * You should have received a copy of the CC0 along with this software; if not
+ * see <http://creativecommons.org/publicdomain/zero/1.0/>.
  */
 
 #ifndef _WIMLIB_COMPILER_H
@@ -84,8 +97,15 @@
  * returns will not alias any pointer previously in use by the program.  */
 #define _malloc_attribute	__attribute__((malloc))
 
-/* TODO: _format_attribute is currently ignored.  */
-#define _format_attribute(type, format_str, format_start)
+/* Hint that the annotated function takes a printf()-like format string and
+ * arguments.  This is currently disabled on Windows because MinGW does not
+ * support this attribute on functions taking wide-character strings.  */
+#ifdef __WIN32__
+#  define _format_attribute(type, format_str, format_start)
+#else
+#  define _format_attribute(type, format_str, format_start)	\
+			__attribute__((format(type, format_str, format_start)))
+#endif
 
 /* Hint that the annotated function is intentionally not used.  This might be
  * the case if the function contains only static assertions.  */