1 #ifndef GIT_COMPAT_UTIL_H
2 #define GIT_COMPAT_UTIL_H
6 /* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
7 #define _DEFAULT_SOURCE 1
13 #include <sys/statfs.h>
23 #include <sys/param.h>
24 #include <sys/types.h>
35 #include <sys/socket.h>
36 #include <sys/ioctl.h>
37 #include <linux/kernel.h>
38 #include <linux/types.h>
39 #include <sys/ttydefaults.h>
40 #include <api/fs/tracing_path.h>
42 #include <linux/bitops.h>
46 extern char buildid_dir
[];
49 #define NORETURN __attribute__((__noreturn__))
53 #define __attribute__(x)
57 #define PERF_GTK_DSO "libperf-gtk.so"
59 /* General helper functions */
60 void usage(const char *err
) NORETURN
;
61 void die(const char *err
, ...) NORETURN
__attribute__((format (printf
, 1, 2)));
62 int error(const char *err
, ...) __attribute__((format (printf
, 1, 2)));
63 void warning(const char *err
, ...) __attribute__((format (printf
, 1, 2)));
65 void set_warning_routine(void (*routine
)(const char *err
, va_list params
));
67 int prefixcmp(const char *str
, const char *prefix
);
68 void set_buildid_dir(const char *dir
);
71 #if __GLIBC_PREREQ(2, 1)
72 #define HAVE_STRCHRNUL
76 #ifndef HAVE_STRCHRNUL
77 #define strchrnul gitstrchrnul
78 static inline char *gitstrchrnul(const char *s
, int c
)
86 static inline void *zalloc(size_t size
)
88 return calloc(1, size
);
91 #define zfree(ptr) ({ free(*ptr); *ptr = NULL; })
93 int mkdir_p(char *path
, mode_t mode
);
94 int rm_rf(const char *path
);
95 struct strlist
*lsdir(const char *name
, bool (*filter
)(const char *, struct dirent
*));
96 bool lsdir_no_dot_filter(const char *name
, struct dirent
*d
);
97 int copyfile(const char *from
, const char *to
);
98 int copyfile_mode(const char *from
, const char *to
, mode_t mode
);
99 int copyfile_offset(int fromfd
, loff_t from_ofs
, int tofd
, loff_t to_ofs
, u64 size
);
101 s64
perf_atoll(const char *str
);
102 char **argv_split(const char *str
, int *argcp
);
103 void argv_free(char **argv
);
104 bool strglobmatch(const char *str
, const char *pat
);
105 bool strglobmatch_nocase(const char *str
, const char *pat
);
106 bool strlazymatch(const char *str
, const char *pat
);
107 static inline bool strisglob(const char *str
)
109 return strpbrk(str
, "*?[") != NULL
;
111 int strtailcmp(const char *s1
, const char *s2
);
112 char *strxfrchar(char *s
, char from
, char to
);
113 unsigned long convert_unit(unsigned long value
, char *unit
);
114 ssize_t
readn(int fd
, void *buf
, size_t n
);
115 ssize_t
writen(int fd
, void *buf
, size_t n
);
117 struct perf_event_attr
;
119 void event_attr_init(struct perf_event_attr
*attr
);
121 size_t hex_width(u64 v
);
122 int hex2u64(const char *ptr
, u64
*val
);
124 char *ltrim(char *s
);
125 char *rtrim(char *s
);
127 static inline char *trim(char *s
)
129 return ltrim(rtrim(s
));
132 void dump_stack(void);
133 void sighandler_dump_stack(int sig
);
135 extern unsigned int page_size
;
136 extern int cacheline_size
;
137 extern int sysctl_perf_event_max_stack
;
138 extern int sysctl_perf_event_max_contexts_per_stack
;
145 unsigned long parse_tag_value(const char *str
, struct parse_tag
*tags
);
147 static inline int path__join(char *bf
, size_t size
,
148 const char *path1
, const char *path2
)
150 return scnprintf(bf
, size
, "%s%s%s", path1
, path1
[0] ? "/" : "", path2
);
153 static inline int path__join3(char *bf
, size_t size
,
154 const char *path1
, const char *path2
,
157 return scnprintf(bf
, size
, "%s%s%s%s%s",
158 path1
, path1
[0] ? "/" : "",
159 path2
, path2
[0] ? "/" : "", path3
);
162 int perf_event_paranoid(void);
164 void mem_bswap_64(void *src
, int byte_size
);
165 void mem_bswap_32(void *src
, int byte_size
);
167 const char *get_filename_for_perf_kvm(void);
168 bool find_process(const char *name
);
170 #ifdef HAVE_ZLIB_SUPPORT
171 int gzip_decompress_to_file(const char *input
, int output_fd
);
174 #ifdef HAVE_LZMA_SUPPORT
175 int lzma_decompress_to_file(const char *input
, int output_fd
);
178 char *asprintf_expr_inout_ints(const char *var
, bool in
, size_t nints
, int *ints
);
180 static inline char *asprintf_expr_in_ints(const char *var
, size_t nints
, int *ints
)
182 return asprintf_expr_inout_ints(var
, true, nints
, ints
);
185 static inline char *asprintf_expr_not_in_ints(const char *var
, size_t nints
, int *ints
)
187 return asprintf_expr_inout_ints(var
, false, nints
, ints
);
190 int get_stack_size(const char *str
, unsigned long *_size
);
192 int fetch_kernel_version(unsigned int *puint
,
193 char *str
, size_t str_sz
);
194 #define KVER_VERSION(x) (((x) >> 16) & 0xff)
195 #define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff)
196 #define KVER_SUBLEVEL(x) ((x) & 0xff)
197 #define KVER_FMT "%d.%d.%d"
198 #define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
200 const char *perf_tip(const char *dirpath
);
201 bool is_regular_file(const char *file
);
202 int fetch_current_timestamp(char *buf
, size_t sz
);
204 #ifndef HAVE_SCHED_GETCPU_SUPPORT
205 int sched_getcpu(void);
208 int timestamp__scnprintf_usec(u64 timestamp
, char *buf
, size_t sz
);
210 int unit_number__scnprintf(char *buf
, size_t size
, u64 n
);
212 #endif /* GIT_COMPAT_UTIL_H */