krb5/krb/cleanup.h

	cleanup.h revision 505d05c73a6e56769f263d4803b22eddd168ee24
#pragma ident   "%Z%%M% %I% %E% SMI"

#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