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#ifndef _KPARTX_H
#define _KPARTX_H
/*
* For each partition type there is a routine that takes
* a block device and a range, and returns the list of
* slices found there in the supplied array SP that can
* hold NS entries. The return value is the number of
* entries stored, or -1 if the appropriate type is not
* present.
*/
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#define safe_sprintf(var, format, args...) \
snprintf(var, sizeof(var), format, ##args) >= sizeof(var)
/*
* units: 512 byte sectors
*/
struct slice {
unsigned long start;
unsigned long size;
};
typedef int (ptreader)(int fd, struct slice all, struct slice *sp, int ns);
extern ptreader read_dos_pt;
extern ptreader read_bsd_pt;
extern ptreader read_solaris_pt;
extern ptreader read_unixware_pt;
extern ptreader read_gpt_pt;
char *getblock(int fd, unsigned int secnr);
static inline int
four2int(unsigned char *p) {
return p[0] + (p[1]<<8) + (p[2]<<16) + (p[3]<<24);
}
#endif /* _KPARTX_H */
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