From 60a978410f8c8e13ee130619cf5b0bb912d5d601 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sun, 19 Jun 2005 14:09:57 +0000 Subject: * add gcc printf warning support git-svn-id: file:///home/lennart/svn/public/libdaemon/trunk@85 153bfa13-eec0-0310-be40-b0cb6a0e1b4b --- libdaemon/dlog.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'libdaemon/dlog.h') diff --git a/libdaemon/dlog.h b/libdaemon/dlog.h index 55b641a..8e42c86 100644 --- a/libdaemon/dlog.h +++ b/libdaemon/dlog.h @@ -50,11 +50,18 @@ extern enum daemon_log_flags daemon_log_use; * to set this to a sensible value or generate your own. */ extern char* daemon_log_ident; +#ifdef __GNUC__ +/** A macro for making use of GCCs printf compilation warnings */ +#define DAEMON_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b))) +#else +#define DAEMON_GCC_PRINTF_ATTR(a,b) +#endif + /** Log a message using printf format strings using the specified syslog priority * @param prio The syslog priority (PRIO_xxx constants) * @param t,... The text message to log */ -void daemon_log(int prio, const char* t, ...); +void daemon_log(int prio, const char* t, ...) DAEMON_GCC_PRINTF_ATTR(2,3); /** Return a sensible syslog identification for daemon_log_ident * generated from argv[0]. This will return a pointer to the file name -- cgit