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authorwm4 <wm4@nowhere>2012-11-10 16:19:53 +0100
committerwm4 <wm4@nowhere>2012-11-12 20:08:57 +0100
commita6c4f2646fda50e5661acdb8739d1b54ddb38ede (patch)
tree3d234fd8a5291baed09efc85c9843283371cce06 /compat
parent20e9d06a2fef17a80369fd6c0b911e60c243172d (diff)
downloadmpv-a6c4f2646fda50e5661acdb8739d1b54ddb38ede.tar.bz2
mpv-a6c4f2646fda50e5661acdb8739d1b54ddb38ede.tar.xz
mp_common.h: split parts into mp_talloc.h and compiler.h
Put MP_EXPAND_ARGS() in compiler.h, even though it's not compiler dependent. Both mp_talloc.h and mp_common.h need it, while mp_common.h includes mp_talloc.h. This is the least annoying solution.
Diffstat (limited to 'compat')
-rw-r--r--compat/compiler.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/compat/compiler.h b/compat/compiler.h
new file mode 100644
index 0000000000..c929573dd1
--- /dev/null
+++ b/compat/compiler.h
@@ -0,0 +1,24 @@
+#ifndef MPV_COMPILER_H
+#define MPV_COMPILER_H
+
+#define MP_EXPAND_ARGS(...) __VA_ARGS__
+
+#ifdef __GNUC__
+
+/** Use gcc attribute to check printf fns. a1 is the 1-based index of
+ * the parameter containing the format, and a2 the index of the first
+ * argument. **/
+#ifdef __MINGW32__
+// MinGW maps "printf" to the non-standard MSVCRT functions, even if
+// __USE_MINGW_ANSI_STDIO is defined and set to 1. We need to use "gnu_printf",
+// which isn't necessarily available on other GCC compatible compilers.
+#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (gnu_printf, a1, a2)))
+#else
+#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (printf, a1, a2)))
+#endif
+
+#else
+#define PRINTF_ATTRIBUTE(a1, a2)
+#endif
+
+#endif