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path: root/rsync/trace.h
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-rw-r--r--rsync/trace.h40
1 files changed, 15 insertions, 25 deletions
diff --git a/rsync/trace.h b/rsync/trace.h
index 60a6477..2bb8552 100644
--- a/rsync/trace.h
+++ b/rsync/trace.h
@@ -33,40 +33,33 @@
*
* error is always on, but you can return and continue in some way
*
* fatal terminates the whole process
*/
-void rs_fatal0(char const *s, ...);
-void rs_error0(char const *s, ...);
-void rs_trace0(char const *s, ...);
-
-void rs_log0_nofn(int level, char const *fmt, ...);
-
-#ifdef __GNUC__
+#if defined(HAVE_VARARG_MACROS) && defined(__GNUC__)
+/*
+ * TODO: Don't assume this is a gcc thing; rather test in autoconf for
+ * support for __FUNCTION__. One simple way might just be to try compiling
+ * the definition of one of these functions!
+ *
+ * TODO: Also look for the C9X predefined identifier `_function', or
+ * whatever it's called.
+ */
void rs_log0(int level, char const *fn, char const *fmt, ...)
__attribute__ ((format(printf, 3, 4)));
#ifdef DO_RS_TRACE
# define rs_trace(fmt, arg...) \
do { rs_log0(RS_LOG_DEBUG, __FUNCTION__, fmt , ##arg); \
} while (0)
#else
-# define rs_trace(s, str...)
+# define rs_trace(fmt, arg...)
#endif /* !DO_RS_TRACE */
-/*
- * TODO: Don't assume this is a gcc thing; rather test in autoconf for
- * support for __FUNCTION__ and varargs macros. One simple way might
- * just be to try compiling the definition of one of these functions!
- *
- * TODO: Also look for the C9X predefined identifier `_function', or
- * whatever it's called.
- */
-
#define rs_log(l, s, str...) do { \
rs_log0((l), __FUNCTION__, (s) , ##str); \
} while (0)
#define rs_error(s, str...) do { \
@@ -79,36 +72,33 @@ void rs_log0(int level, char const *fn, char const *fmt, ...)
(s) , ##str); \
abort(); \
} while (0)
#else /************************* ! __GNUC__ */
-
+# define rs_trace rs_trace0
# define rs_fatal rs_fatal0
# define rs_error rs_error0
# define rs_log rs_log0_nofn
-
-# ifdef DO_RS_TRACE
-# define rs_trace rs_trace0
-# endif /* DO_RS_TRACE */
#endif /* ! __GNUC__ */
-
+void rs_trace0(char const *s, ...);
+void rs_fatal0(char const *s, ...);
+void rs_error0(char const *s, ...);
void rs_log0(int level, char const *fn, char const *fmt, ...);
-
+void rs_log0_nofn(int level, char const *fmt, ...);
enum {
RS_LOG_PRIMASK = 7, /**< Mask to extract priority
part. \internal */
RS_LOG_NONAME = 8 /**< \b Don't show function name in
message. */
};
-
/**
* \macro rs_trace_enabled()
*
* Call this before putting too much effort into generating trace
* messages.
*/