src/lib/krb5/krb/cleanup.h


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#ifndef KRB5_CLEANUP
#define KRB5_CLEANUP

struct cleanup {
    void 		* arg;
    void		(*func)(void *);
};

#define CLEANUP_INIT(x)							\
    struct cleanup cleanup_data[x];					\
    int cleanup_count = 0;		

#define CLEANUP_PUSH(x, y)						\
    cleanup_data[cleanup_count].arg = x;				\
    cleanup_data[cleanup_count].func = y;				\
    cleanup_count++;

#define CLEANUP_POP(x)							\
    if ((--cleanup_count) && x && (cleanup_data[cleanup_count].func)) 	\
	cleanup_data[cleanup_count].func(cleanup_data[cleanup_count].arg); 
	
#define CLEANUP_DONE()							\
    while(cleanup_count--) 						\
	if (cleanup_data[cleanup_count].func)  				\
	    cleanup_data[cleanup_count].func(cleanup_data[cleanup_count].arg); 
    

#endif