263 lines
5.9 KiB
C
263 lines
5.9 KiB
C
#ifndef GIT_COMPAT_UTIL_H
|
|
#define GIT_COMPAT_UTIL_H
|
|
|
|
#define _FILE_OFFSET_BITS 64
|
|
|
|
#ifndef FLEX_ARRAY
|
|
/*
|
|
* See if our compiler is known to support flexible array members.
|
|
*/
|
|
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
|
|
# define FLEX_ARRAY /* empty */
|
|
#elif defined(__GNUC__)
|
|
# if (__GNUC__ >= 3)
|
|
# define FLEX_ARRAY /* empty */
|
|
# else
|
|
# define FLEX_ARRAY 0 /* older GNU extension */
|
|
# endif
|
|
#endif
|
|
|
|
/*
|
|
* Otherwise, default to safer but a bit wasteful traditional style
|
|
*/
|
|
#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)) /* checks if an integer has more than 1 bit set */
|
|
|
|
/* Approximation of the length of the decimal representation of this type. */
|
|
#define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
|
|
|
|
#define _ALL_SOURCE 1
|
|
#define _BSD_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 <sys/poll.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/select.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
#include <arpa/inet.h>
|
|
#include <netdb.h>
|
|
#include <pwd.h>
|
|
#include <inttypes.h>
|
|
#include "../../../include/linux/magic.h"
|
|
#include "types.h"
|
|
#include <sys/ttydefaults.h>
|
|
|
|
extern const char *graph_line;
|
|
extern const char *graph_dotted_line;
|
|
extern char buildid_dir[];
|
|
|
|
/* On most systems <limits.h> would have given us this, but
|
|
* not on some systems (e.g. GNU/Hurd).
|
|
*/
|
|
#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
|
|
|
|
/* General helper functions */
|
|
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
|
|
|
|
/*
|
|
* Wrappers:
|
|
*/
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
/* Sane ctype - no locale, and works with signed chars */
|
|
#undef isascii
|
|
#undef isspace
|
|
#undef isdigit
|
|
#undef isxdigit
|
|
#undef isalpha
|
|
#undef isprint
|
|
#undef isalnum
|
|
#undef tolower
|
|
#undef toupper
|
|
|
|
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 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);
|
|
|
|
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);
|
|
unsigned long convert_unit(unsigned long value, char *unit);
|
|
int readn(int fd, void *buf, size_t size);
|
|
|
|
struct perf_event_attr;
|
|
|
|
void event_attr_init(struct perf_event_attr *attr);
|
|
|
|
#define _STR(x) #x
|
|
#define STR(x) _STR(x)
|
|
|
|
/*
|
|
* Determine whether some value is a power of two, where zero is
|
|
* *not* considered a power of two.
|
|
*/
|
|
|
|
static inline __attribute__((const))
|
|
bool is_power_of_2(unsigned long n)
|
|
{
|
|
return (n != 0 && ((n & (n - 1)) == 0));
|
|
}
|
|
|
|
#endif
|