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#ifndef GIT_COMPAT_UTIL_H
#define GIT_COMPAT_UTIL_H
#define _BSD_SOURCE 1
/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
#define _DEFAULT_SOURCE 1
#include <fcntl.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <linux/compiler.h>
#include <linux/types.h>
/* General helper functions */
void usage(const char *err) __noreturn;
void die(const char *err, ...) __noreturn __printf(1, 2);
static inline void *zalloc(size_t size)
{
return calloc(1, size);
}
#define zfree(ptr) ({ free(*ptr); *ptr = NULL; })
struct dirent;
struct strlist;
int mkdir_p(char *path, mode_t mode);
int rm_rf(const char *path);
struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
bool lsdir_no_dot_filter(const char *name, struct dirent *d);
int copyfile(const char *from, const char *to);
int copyfile_mode(const char *from, const char *to, mode_t mode);
int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);
ssize_t readn(int fd, void *buf, size_t n);
ssize_t writen(int fd, void *buf, size_t n);
size_t hex_width(u64 v);
int hex2u64(const char *ptr, u64 *val);
extern unsigned int page_size;
extern int cacheline_size;
int fetch_kernel_version(unsigned int *puint,
char *str, size_t str_sz);
#define KVER_VERSION(x) (((x) >> 16) & 0xff)
#define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff)
#define KVER_SUBLEVEL(x) ((x) & 0xff)
#define KVER_FMT "%d.%d.%d"
#define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
const char *perf_tip(const char *dirpath);
#ifndef HAVE_SCHED_GETCPU_SUPPORT
int sched_getcpu(void);
#endif
#endif /* GIT_COMPAT_UTIL_H */
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