FlapJackApps/libdivecomputer
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Silence compiler warnings (unused variables).

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When the logging is disabling, several compiler warnings regarding
unused variables appear. With the cast to void and sizeof trick the
warnings are silenced without causing any side effects.
This commit is contained in:
Jef Driesen 2012-07-30 22:31:36 +02:00
parent b1b30f068c
commit aae856a310
1 changed files with 7 additions and 5 deletions
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12
src/context-private.h
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@ -32,6 +32,8 @@
extern "C" {
#endif /* __cplusplus */
#define UNUSED(x) (void)sizeof(x)
#ifdef ENABLE_LOGGING
#define SYSERROR(context, errcode) dc_context_syserror (context, DC_LOGLEVEL_ERROR, __FILE__, __LINE__, __FUNCTION__, errcode)
#define ERROR(context, ...) dc_context_log (context, DC_LOGLEVEL_ERROR, __FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
@ -39,11 +41,11 @@ extern "C" {
#define INFO(context, ...) dc_context_log (context, DC_LOGLEVEL_INFO, __FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
#define DEBUG(context, ...) dc_context_log (context, DC_LOGLEVEL_DEBUG, __FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
#else
#define SYSERROR(context, errcode)
#define ERROR(context, ...)
#define WARNING(context, ...)
#define INFO(context, ...)
#define DEBUG(context, ...)
#define SYSERROR(context, errcode) UNUSED(context)
#define ERROR(context, ...) UNUSED(context)
#define WARNING(context, ...) UNUSED(context)
#define INFO(context, ...) UNUSED(context)
#define DEBUG(context, ...) UNUSED(context)
#endif
dc_status_t