HACKING: add preprocessor rules

Add a new file, HACKING, in order to collect recurring issues with submitted patches. Start with preprocessor rules, adapted from libvirt HACKING. Signed-off-by: Blue Swirl <[email protected]>
dreddy · Sep 10, 2010 · 45fad87 · 45fad87
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commit 45fad87
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/HACKING b/HACKING
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+1. Preprocessor
+
+For variadic macros, stick with this C99-like syntax:
+
+#define DPRINTF(fmt, ...)                                       \
+    do { printf("IRQ: " fmt, ## __VA_ARGS__); } while (0)