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 _ALL_SOURCE 1
5#define _BSD_SOURCE 1
6/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
7#define _DEFAULT_SOURCE 1
8
9#include <fcntl.h>
10#include <stdbool.h>
11#include <stddef.h>
12#include <stdlib.h>
13#include <stdarg.h>
14#include <linux/types.h>
15
16#ifdef __GNUC__
17#define NORETURN __attribute__((__noreturn__))
18#else
19#define NORETURN
20#ifndef __attribute__
21#define __attribute__(x)
22#endif
23#endif
24
25/* General helper functions */
26void usage(const char *err) NORETURN;
27void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
28int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
29void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
30
31void set_warning_routine(void (*routine)(const char *err, va_list params));
32
33static inline void *zalloc(size_t size)
34{
35 return calloc(1, size);
36}
37
38#define zfree(ptr) ({ free(*ptr); *ptr = NULL; })
39
40struct dirent;
41struct strlist;
42
43int mkdir_p(char *path, mode_t mode);
44int rm_rf(const char *path);
45struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
46bool lsdir_no_dot_filter(const char *name, struct dirent *d);
47int copyfile(const char *from, const char *to);
48int copyfile_mode(const char *from, const char *to, mode_t mode);
49int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);
50
51ssize_t readn(int fd, void *buf, size_t n);
52ssize_t writen(int fd, void *buf, size_t n);
53
54size_t hex_width(u64 v);
55int hex2u64(const char *ptr, u64 *val);
56
57extern unsigned int page_size;
58extern int cacheline_size;
59
60bool find_process(const char *name);
61
62int fetch_kernel_version(unsigned int *puint,
63 char *str, size_t str_sz);
64#define KVER_VERSION(x) (((x) >> 16) & 0xff)
65#define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff)
66#define KVER_SUBLEVEL(x) ((x) & 0xff)
67#define KVER_FMT "%d.%d.%d"
68#define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
69
70const char *perf_tip(const char *dirpath);
71
72#ifndef HAVE_SCHED_GETCPU_SUPPORT
73int sched_getcpu(void);
74#endif
75
76#endif /* GIT_COMPAT_UTIL_H */