merror.h

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#ifndef MERROR_H
#define MERROR_H
 
typedef int MERROR_RETVAL;
 
#define MERROR_OK       0x0000
 
#define MERROR_USR      0x0001
 
#define MERROR_OVERFLOW 0x0002
 
#define MERROR_FILE     0x0004
 
#define MERROR_ALLOC    0x0008
 
#define MERROR_PARSE    0x0010
 
#define MERROR_GUI      0x0020
 
#define MERROR_SND      0x0020
 
#define MERROR_WAIT     0x0040
 
#define MERROR_EXEC     0x0040
 
/* MERROR_EXEC + MERROR_TIMEOUT */
#define MERROR_PREEMPT  0x00c0
 
#define MERROR_TIMEOUT  0x0080
 
 /* maug_error_retvals */
 
#define maug_cleanup_if_null_msg( type, ptr, err, msg ) \
   if( (type)NULL == ptr ) { \
      error_printf( msg ); \
      retval = err; \
      goto cleanup; \
   }
 
#define maug_cleanup_if_not_null( type, ptr, err ) \
   if( (type)NULL == ptr ) { \
      error_printf( #ptr " is not NULL!" ); \
      retval = err; \
      goto cleanup; \
   }
 
#define maug_cleanup_if_null( type, ptr, err ) \
   maug_cleanup_if_null_msg( type, ptr, err, "failed to allocate " #ptr "!" )
 
#define maug_cleanup_if_null_alloc( type, ptr ) \
   maug_cleanup_if_null_msg( type, ptr, MERROR_ALLOC, "failed to allocate " #ptr "!" )
 
#define maug_cleanup_if_null_lock( type, ptr ) \
   maug_cleanup_if_null_msg( type, ptr, MERROR_ALLOC, "failed to lock " #ptr "!" )
 
#define maug_cleanup_if_null_file( ptr ) \
   maug_cleanup_if_null_msg( FILE*, ptr, MERROR_FILE, "failed to open FILE!" )
 
#define maug_cleanup_if_not_ok() \
   if( MERROR_OK != retval ) { \
      goto cleanup; \
   }
 
#define maug_cleanup_if_lt( a, b, fmt, err ) \
   if( (a) < (b) ) { \
      error_printf( fmt " is less than " fmt "!", a, b ); \
      retval = err; \
      goto cleanup; \
   }
 
#define maug_cleanup_if_lt_overflow( a, b ) \
   maug_cleanup_if_lt( a, b, SIZE_T_FMT, MERROR_OVERFLOW )
 
#define maug_cleanup_if_ge( a, b, fmt, err ) \
   if( (a) >= (b) ) { \
      error_printf( fmt " is greater or equal to " fmt "!", a, b ); \
      retval = err; \
      goto cleanup; \
   }
 
#define maug_cleanup_if_ge_overflow( a, b ) \
   maug_cleanup_if_ge( a, (size_t)(b), SIZE_T_FMT, MERROR_OVERFLOW )
 
 /* maug_error */
 
#endif /* MERROR_H */