Error Checking Macros

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Detailed Description

These macros are used to check return values, print the associated errors and perform some recovery action if necessary.

Defines
#define	phDO_CHECK(rc, pmsg, fmt, action,)
#define	phCHECK_RC(rc, pmsg, fmt,)   phDO_CHECK(rc,pmsg,fmt, goto error, ## __VA_ARGS__ )
#define	phBREAK_RC(rc, pmsg, fmt,)   phDO_CHECK(rc,pmsg,fmt, break, ## __VA_ARGS__ )
#define	phCONT_RC(rc, pmsg, fmt,)   phDO_CHECK(rc,pmsg,fmt, continue, ## __VA_ARGS__ )
#define	phPRINT_RC(rc, pmsg, fmt,)   phDO_CHECK(rc,pmsg,fmt, , ## __VA_ARGS__ )
#define	phDO_CHECKPTR(ptr, pmsg, fmt, action,)
#define	phCHECK_PTR(ptr, pmsg, fmt,)   phDO_CHECKPTR(ptr,pmsg,fmt, goto error, ## __VA_ARGS__ )
#define	phBREAK_PTR(ptr, pmsg, fmt,)   phDO_CHECKPTR(ptr,pmsg,fmt, break, ## __VA_ARGS__ )
#define	phCONT_PTR(ptr, pmsg, fmt,)   phDO_CHECKPTR(ptr,pmsg,fmt, continue, ## __VA_ARGS__ )
#define	phPRINT_PTR(ptr, pmsg, fmt,)   phDO_CHECKPTR(ptr,pmsg,fmt, , ## __VA_ARGS__ )
#define	phCHECK_NULLPTR   phCHECK_PTR
#define	phBREAK_NULLPTR   phBREAK_PTR
#define	phCONT_NULLPTR   phCONT_PTR
#define	phPRINT_NULLPTR   phPRINT_PTR
#define	phTHISCHK()   { phCHECK_NULLPTR(this,NULL,"this == NULL"); }

Copyright (C) 2002 - 2007

Philip D.S. Thoren ( pthoren@users.sourceforge.net ) University Of Massachusetts at Lowell Robotics Lab

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