]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - tools/perf/util/util.h
1 #ifndef GIT_COMPAT_UTIL_H
2 #define GIT_COMPAT_UTIL_H
6 * See if our compiler is known to support flexible array members.
8 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
9 # define FLEX_ARRAY /* empty */
10 #elif defined(__GNUC__)
12 # define FLEX_ARRAY /* empty */
14 # define FLEX_ARRAY 0 /* older GNU extension */
19 * Otherwise, default to safer but a bit wasteful traditional style
26 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
29 #define TYPEOF(x) (__typeof__(x))
34 #define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits))))
35 #define HAS_MULTI_BITS(i) ((i) & ((i) - 1)) /* checks if an integer has more than 1 bit set */
37 /* Approximation of the length of the decimal representation of this type. */
38 #define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
47 #include <sys/statfs.h>
56 #include <sys/param.h>
57 #include <sys/types.h>
68 #include <sys/socket.h>
69 #include <sys/ioctl.h>
71 #include <linux/magic.h>
73 #include <sys/ttydefaults.h>
74 #include <lk/debugfs.h>
77 extern const char *graph_line
;
78 extern const char *graph_dotted_line
;
79 extern char buildid_dir
[];
80 extern char tracing_events_path
[];
81 extern void perf_debugfs_set_path(const char *mountpoint
);
82 const char *perf_debugfs_mount(const char *mountpoint
);
83 const char *find_tracing_dir(void);
84 char *get_tracing_file(const char *name
);
85 void put_tracing_file(char *file
);
87 /* On most systems <limits.h> would have given us this, but
88 * not on some systems (e.g. GNU/Hurd).
110 #ifndef STRIP_EXTENSION
111 #define STRIP_EXTENSION ""
114 #ifndef has_dos_drive_prefix
115 #define has_dos_drive_prefix(path) 0
119 #define is_dir_sep(c) ((c) == '/')
123 #define NORETURN __attribute__((__noreturn__))
126 #ifndef __attribute__
127 #define __attribute__(x)
131 #define PERF_GTK_DSO "libperf-gtk.so"
133 /* General helper functions */
134 extern void usage(const char *err
) NORETURN
;
135 extern void die(const char *err
, ...) NORETURN
__attribute__((format (printf
, 1, 2)));
136 extern int error(const char *err
, ...) __attribute__((format (printf
, 1, 2)));
137 extern void warning(const char *err
, ...) __attribute__((format (printf
, 1, 2)));
139 #include "../../../include/linux/stringify.h"
141 #define DIE_IF(cnd) \
143 die(" at (" __FILE__ ":" __stringify(__LINE__) "): " \
144 __stringify(cnd) "\n"); \
148 extern void set_die_routine(void (*routine
)(const char *err
, va_list params
) NORETURN
);
150 extern int prefixcmp(const char *str
, const char *prefix
);
151 extern void set_buildid_dir(void);
152 extern void disable_buildid_cache(void);
154 static inline const char *skip_prefix(const char *str
, const char *prefix
)
156 size_t len
= strlen(prefix
);
157 return strncmp(str
, prefix
, len
) ? NULL
: str
+ len
;
160 #ifdef __GLIBC_PREREQ
161 #if __GLIBC_PREREQ(2, 1)
162 #define HAVE_STRCHRNUL
166 #ifndef HAVE_STRCHRNUL
167 #define strchrnul gitstrchrnul
168 static inline char *gitstrchrnul(const char *s
, int c
)
170 while (*s
&& *s
!= c
)
179 extern char *xstrdup(const char *str
);
180 extern void *xrealloc(void *ptr
, size_t size
) __attribute__((weak
));
183 static inline void *zalloc(size_t size
)
185 return calloc(1, size
);
188 static inline int has_extension(const char *filename
, const char *ext
)
190 size_t len
= strlen(filename
);
191 size_t extlen
= strlen(ext
);
193 return len
> extlen
&& !memcmp(filename
+ len
- extlen
, ext
, extlen
);
196 /* Sane ctype - no locale, and works with signed chars */
209 #ifndef NSEC_PER_MSEC
210 #define NSEC_PER_MSEC 1000000L
213 int parse_nsec_time(const char *str
, u64
*ptime
);
215 extern unsigned char sane_ctype
[256];
216 #define GIT_SPACE 0x01
217 #define GIT_DIGIT 0x02
218 #define GIT_ALPHA 0x04
219 #define GIT_GLOB_SPECIAL 0x08
220 #define GIT_REGEX_SPECIAL 0x10
221 #define GIT_PRINT_EXTRA 0x20
222 #define GIT_PRINT 0x3E
223 #define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
224 #define isascii(x) (((x) & ~0x7f) == 0)
225 #define isspace(x) sane_istest(x,GIT_SPACE)
226 #define isdigit(x) sane_istest(x,GIT_DIGIT)
227 #define isxdigit(x) \
228 (sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
229 #define isalpha(x) sane_istest(x,GIT_ALPHA)
230 #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
231 #define isprint(x) sane_istest(x,GIT_PRINT)
232 #define islower(x) (sane_istest(x,GIT_ALPHA) && (x & 0x20))
233 #define isupper(x) (sane_istest(x,GIT_ALPHA) && !(x & 0x20))
234 #define tolower(x) sane_case((unsigned char)(x), 0x20)
235 #define toupper(x) sane_case((unsigned char)(x), 0)
237 static inline int sane_case(int x
, int high
)
239 if (sane_istest(x
, GIT_ALPHA
))
240 x
= (x
& ~0x20) | high
;
244 int mkdir_p(char *path
, mode_t mode
);
245 int copyfile(const char *from
, const char *to
);
246 int copyfile_mode(const char *from
, const char *to
, mode_t mode
);
248 s64
perf_atoll(const char *str
);
249 char **argv_split(const char *str
, int *argcp
);
250 void argv_free(char **argv
);
251 bool strglobmatch(const char *str
, const char *pat
);
252 bool strlazymatch(const char *str
, const char *pat
);
253 int strtailcmp(const char *s1
, const char *s2
);
254 char *strxfrchar(char *s
, char from
, char to
);
255 unsigned long convert_unit(unsigned long value
, char *unit
);
256 int readn(int fd
, void *buf
, size_t size
);
258 struct perf_event_attr
;
260 void event_attr_init(struct perf_event_attr
*attr
);
263 #define STR(x) _STR(x)
266 * Determine whether some value is a power of two, where zero is
267 * *not* considered a power of two.
270 static inline __attribute__((const))
271 bool is_power_of_2(unsigned long n
)
273 return (n
!= 0 && ((n
& (n
- 1)) == 0));
276 static inline unsigned next_pow2(unsigned x
)
280 return 1ULL << (32 - __builtin_clz(x
- 1));
283 size_t hex_width(u64 v
);
284 int hex2u64(const char *ptr
, u64
*val
);
286 char *ltrim(char *s
);
287 char *rtrim(char *s
);
289 void dump_stack(void);
291 extern unsigned int page_size
;
293 void get_term_dimensions(struct winsize
*ws
);
300 unsigned long parse_tag_value(const char *str
, struct parse_tag
*tags
);
302 #define SRCLINE_UNKNOWN ((char *) "??:0")
306 char *get_srcline(struct dso
*dso
, unsigned long addr
);
307 void free_srcline(char *srcline
);
309 int filename__read_int(const char *filename
, int *value
);
310 #endif /* GIT_COMPAT_UTIL_H */