Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef GIT_COMPAT_UTIL_H
2#define GIT_COMPAT_UTIL_H
3
4#define _BSD_SOURCE 1
5/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
6#define _DEFAULT_SOURCE 1
7
8#include <fcntl.h>
9#include <stdbool.h>
10#include <stddef.h>
11#include <stdlib.h>
12#include <stdarg.h>
13#include <linux/compiler.h>
14#include <linux/types.h>
15
16/* General helper functions */
17void usage(const char *err) __noreturn;
18void die(const char *err, ...) __noreturn __printf(1, 2);
19
20static inline void *zalloc(size_t size)
21{
22 return calloc(1, size);
23}
24
25#define zfree(ptr) ({ free(*ptr); *ptr = NULL; })
26
27struct dirent;
28struct strlist;
29
30int mkdir_p(char *path, mode_t mode);
31int rm_rf(const char *path);
32struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
33bool lsdir_no_dot_filter(const char *name, struct dirent *d);
34int copyfile(const char *from, const char *to);
35int copyfile_mode(const char *from, const char *to, mode_t mode);
36int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);
37
38ssize_t readn(int fd, void *buf, size_t n);
39ssize_t writen(int fd, void *buf, size_t n);
40
41size_t hex_width(u64 v);
42int hex2u64(const char *ptr, u64 *val);
43
44extern unsigned int page_size;
45extern int cacheline_size;
46
47int fetch_kernel_version(unsigned int *puint,
48 char *str, size_t str_sz);
49#define KVER_VERSION(x) (((x) >> 16) & 0xff)
50#define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff)
51#define KVER_SUBLEVEL(x) ((x) & 0xff)
52#define KVER_FMT "%d.%d.%d"
53#define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
54
55const char *perf_tip(const char *dirpath);
56
57#ifndef HAVE_SCHED_GETCPU_SUPPORT
58int sched_getcpu(void);
59#endif
60
61#endif /* GIT_COMPAT_UTIL_H */