- 根目录:
- tools
- perf
- util
- util.h
#ifndef GIT_COMPAT_UTIL_H
#define GIT_COMPAT_UTIL_H
#ifndef FLEX_ARRAY
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
# define FLEX_ARRAY
#elif defined(__GNUC__)
# if (__GNUC__ >= 3)
# define FLEX_ARRAY
# else
# define FLEX_ARRAY 0
# endif
#endif
#ifndef FLEX_ARRAY
# define FLEX_ARRAY 1
#endif
#endif
#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
#ifdef __GNUC__
#define TYPEOF(x) (__typeof__(x))
#else
#define TYPEOF(x)
#endif
#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits))))
#define HAS_MULTI_BITS(i) ((i) & ((i) - 1))
#define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
#define _ALL_SOURCE 1
#define _BSD_SOURCE 1
#define _DEFAULT_SOURCE 1
#define HAS_BOOL
#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <sys/param.h>
#include <sys/types.h>
#include <dirent.h>
#include <sys/time.h>
#include <time.h>
#include <signal.h>
#include <fnmatch.h>
#include <assert.h>
#include <regex.h>
#include <utime.h>
#include <sys/wait.h>
#include <poll.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <inttypes.h>
#include <linux/kernel.h>
#include <linux/magic.h>
#include <linux/types.h>
#include <sys/ttydefaults.h>
#include <api/fs/debugfs.h>
#include <termios.h>
#include <linux/bitops.h>
#include <termios.h>
extern const char *graph_line;
extern const char *graph_dotted_line;
extern char buildid_dir[];
extern char tracing_events_path[];
extern void perf_debugfs_set_path(const char *mountpoint);
const char *perf_debugfs_mount(const char *mountpoint);
const char *find_tracing_dir(void);
char *get_tracing_file(const char *name);
void put_tracing_file(char *file);
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
#ifndef PRIuMAX
#define PRIuMAX "llu"
#endif
#ifndef PRIu32
#define PRIu32 "u"
#endif
#ifndef PRIx32
#define PRIx32 "x"
#endif
#ifndef PATH_SEP
#define PATH_SEP ':'
#endif
#ifndef STRIP_EXTENSION
#define STRIP_EXTENSION ""
#endif
#ifndef has_dos_drive_prefix
#define has_dos_drive_prefix(path) 0
#endif
#ifndef is_dir_sep
#define is_dir_sep(c) ((c) == '/')
#endif
#ifdef __GNUC__
#define NORETURN __attribute__((__noreturn__))
#else
#define NORETURN
#ifndef __attribute__
#define __attribute__(x)
#endif
#endif
#define PERF_GTK_DSO "libperf-gtk.so"
extern void usage(const char *err) NORETURN;
extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
#include "../../../include/linux/stringify.h"
#define DIE_IF(cnd) \
do { if (cnd) \
die(" at (" __FILE__ ":" __stringify(__LINE__) "): " \
__stringify(cnd) "\n"); \
} while (0)
extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
extern int prefixcmp(const char *str, const char *prefix);
extern void set_buildid_dir(void);
extern void disable_buildid_cache(void);
static inline const char *skip_prefix(const char *str, const char *prefix)
{
size_t len = strlen(prefix);
return strncmp(str, prefix, len) ? NULL : str + len;
}
#ifdef __GLIBC_PREREQ
#if __GLIBC_PREREQ(2, 1)
#define HAVE_STRCHRNUL
#endif
#endif
#ifndef HAVE_STRCHRNUL
#define strchrnul gitstrchrnul
static inline char *gitstrchrnul(const char *s, int c)
{
while (*s && *s != c)
s++;
return (char *)s;
}
#endif
extern char *xstrdup(const char *str);
extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
static inline void *zalloc(size_t size)
{
return calloc(1, size);
}
#define zfree(ptr) ({ free(*ptr); *ptr = NULL; })
static inline int has_extension(const char *filename, const char *ext)
{
size_t len = strlen(filename);
size_t extlen = strlen(ext);
return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
}
#undef isascii
#undef isspace
#undef isdigit
#undef isxdigit
#undef isalpha
#undef isprint
#undef isalnum
#undef islower
#undef isupper
#undef tolower
#undef toupper
#ifndef NSEC_PER_MSEC
#define NSEC_PER_MSEC 1000000L
#endif
int parse_nsec_time(const char *str, u64 *ptime);
extern unsigned char sane_ctype[256];
#define GIT_SPACE 0x01
#define GIT_DIGIT 0x02
#define GIT_ALPHA 0x04
#define GIT_GLOB_SPECIAL 0x08
#define GIT_REGEX_SPECIAL 0x10
#define GIT_PRINT_EXTRA 0x20
#define GIT_PRINT 0x3E
#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
#define isascii(x) (((x) & ~0x7f) == 0)
#define isspace(x) sane_istest(x,GIT_SPACE)
#define isdigit(x) sane_istest(x,GIT_DIGIT)
#define isxdigit(x) \
(sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
#define isalpha(x) sane_istest(x,GIT_ALPHA)
#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
#define isprint(x) sane_istest(x,GIT_PRINT)
#define islower(x) (sane_istest(x,GIT_ALPHA) && (x & 0x20))
#define isupper(x) (sane_istest(x,GIT_ALPHA) && !(x & 0x20))
#define tolower(x) sane_case((unsigned char)(x), 0x20)
#define toupper(x) sane_case((unsigned char)(x), 0)
static inline int sane_case(int x, int high)
{
if (sane_istest(x, GIT_ALPHA))
x = (x & ~0x20) | high;
return x;
}
int mkdir_p(char *path, mode_t mode);
int copyfile(const char *from, const char *to);
int copyfile_mode(const char *from, const char *to, mode_t mode);
s64 perf_atoll(const char *str);
char **argv_split(const char *str, int *argcp);
void argv_free(char **argv);
bool strglobmatch(const char *str, const char *pat);
bool strlazymatch(const char *str, const char *pat);
int strtailcmp(const char *s1, const char *s2);
char *strxfrchar(char *s, char from, char to);
unsigned long convert_unit(unsigned long value, char *unit);
ssize_t readn(int fd, void *buf, size_t n);
ssize_t writen(int fd, void *buf, size_t n);
struct perf_event_attr;
void event_attr_init(struct perf_event_attr *attr);
#define _STR(x) #x
#define STR(x) _STR(x)
static inline __attribute__((const))
bool is_power_of_2(unsigned long n)
{
return (n != 0 && ((n & (n - 1)) == 0));
}
static inline unsigned next_pow2(unsigned x)
{
if (!x)
return 1;
return 1ULL << (32 - __builtin_clz(x - 1));
}
static inline unsigned long next_pow2_l(unsigned long x)
{
#if BITS_PER_LONG == 64
if (x <= (1UL << 31))
return next_pow2(x);
return (unsigned long)next_pow2(x >> 32) << 32;
#else
return next_pow2(x);
#endif
}
size_t hex_width(u64 v);
int hex2u64(const char *ptr, u64 *val);
char *ltrim(char *s);
char *rtrim(char *s);
void dump_stack(void);
extern unsigned int page_size;
extern int cacheline_size;
void get_term_dimensions(struct winsize *ws);
void set_term_quiet_input(struct termios *old);
struct parse_tag {
char tag;
int mult;
};
unsigned long parse_tag_value(const char *str, struct parse_tag *tags);
#define SRCLINE_UNKNOWN ((char *) "??:0")
static inline int path__join(char *bf, size_t size,
const char *path1, const char *path2)
{
return scnprintf(bf, size, "%s%s%s", path1, path1[0] ? "/" : "", path2);
}
static inline int path__join3(char *bf, size_t size,
const char *path1, const char *path2,
const char *path3)
{
return scnprintf(bf, size, "%s%s%s%s%s",
path1, path1[0] ? "/" : "",
path2, path2[0] ? "/" : "", path3);
}
struct dso;
char *get_srcline(struct dso *dso, unsigned long addr);
void free_srcline(char *srcline);
int filename__read_int(const char *filename, int *value);
int filename__read_str(const char *filename, char **buf, size_t *sizep);
int perf_event_paranoid(void);
void mem_bswap_64(void *src, int byte_size);
void mem_bswap_32(void *src, int byte_size);
const char *get_filename_for_perf_kvm(void);
bool find_process(const char *name);
#endif
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