[deliverable/linux.git] / tools / perf / util / util.h

#ifndef GIT_COMPAT_UTIL_H
#define GIT_COMPAT_UTIL_H

#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
/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
#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 <term.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/tracing_path.h>
#include <termios.h>
#include <linux/bitops.h>
#include <termios.h>
#include "strlist.h"

extern const char *graph_line;
extern const char *graph_dotted_line;
extern const char *spaces;
extern const char *dots;
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

#define PERF_GTK_DSO  "libperf-gtk.so"

/* General helper functions */
void usage(const char *err) NORETURN;
void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));

void set_warning_routine(void (*routine)(const char *err, va_list params));

int prefixcmp(const char *str, const char *prefix);
void set_buildid_dir(const char *dir);

#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

static inline void *zalloc(size_t size)
{
	return calloc(1, size);
}

#define zfree(ptr) ({ free(*ptr); *ptr = NULL; })

/* Sane ctype - no locale, and works with signed chars */
#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 rm_rf(char *path);
struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
bool lsdir_no_dot_filter(const char *name, struct dirent *d);
int copyfile(const char *from, const char *to);
int copyfile_mode(const char *from, const char *to, mode_t mode);
int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);

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);
static inline bool strisglob(const char *str)
{
	return strpbrk(str, "*?[") != NULL;
}
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)

size_t hex_width(u64 v);
int hex2u64(const char *ptr, u64 *val);

char *ltrim(char *s);
char *rtrim(char *s);

static inline char *trim(char *s)
{
	return ltrim(rtrim(s));
}

void dump_stack(void);
void sighandler_dump_stack(int sig);

extern unsigned int page_size;
extern int cacheline_size;
extern unsigned int sysctl_perf_event_max_stack;

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;
struct symbol;

extern bool srcline_full_filename;
char *get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
		  bool show_sym);
char *__get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
		  bool show_sym, bool unwind_inlines);
void free_srcline(char *srcline);

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);

#ifdef HAVE_ZLIB_SUPPORT
int gzip_decompress_to_file(const char *input, int output_fd);
#endif

#ifdef HAVE_LZMA_SUPPORT
int lzma_decompress_to_file(const char *input, int output_fd);
#endif

char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints);

static inline char *asprintf_expr_in_ints(const char *var, size_t nints, int *ints)
{
	return asprintf_expr_inout_ints(var, true, nints, ints);
}

static inline char *asprintf_expr_not_in_ints(const char *var, size_t nints, int *ints)
{
	return asprintf_expr_inout_ints(var, false, nints, ints);
}

int get_stack_size(const char *str, unsigned long *_size);

int fetch_kernel_version(unsigned int *puint,
			 char *str, size_t str_sz);
#define KVER_VERSION(x)		(((x) >> 16) & 0xff)
#define KVER_PATCHLEVEL(x)	(((x) >> 8) & 0xff)
#define KVER_SUBLEVEL(x)	((x) & 0xff)
#define KVER_FMT	"%d.%d.%d"
#define KVER_PARAM(x)	KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)

const char *perf_tip(const char *dirpath);
bool is_regular_file(const char *file);
int fetch_current_timestamp(char *buf, size_t sz);

enum binary_printer_ops {
	BINARY_PRINT_DATA_BEGIN,
	BINARY_PRINT_LINE_BEGIN,
	BINARY_PRINT_ADDR,
	BINARY_PRINT_NUM_DATA,
	BINARY_PRINT_NUM_PAD,
	BINARY_PRINT_SEP,
	BINARY_PRINT_CHAR_DATA,
	BINARY_PRINT_CHAR_PAD,
	BINARY_PRINT_LINE_END,
	BINARY_PRINT_DATA_END,
};

typedef void (*print_binary_t)(enum binary_printer_ops,
			       unsigned int val,
			       void *extra);

void print_binary(unsigned char *data, size_t len,
		  size_t bytes_per_line, print_binary_t printer,
		  void *extra);
#endif /* GIT_COMPAT_UTIL_H */
Commit	Line	Data
07800601 IM	1	#ifndef GIT_COMPAT_UTIL_H
	2	#define GIT_COMPAT_UTIL_H
	3
07800601 IM	4	#ifndef FLEX_ARRAY
	5	/*
	6	* See if our compiler is known to support flexible array members.
	7	*/
	8	#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
	9	# define FLEX_ARRAY /* empty */
	10	#elif defined(__GNUC__)
	11	# if (__GNUC__ >= 3)
	12	# define FLEX_ARRAY /* empty */
	13	# else
	14	# define FLEX_ARRAY 0 /* older GNU extension */
	15	# endif
	16	#endif
	17
	18	/*
	19	* Otherwise, default to safer but a bit wasteful traditional style
	20	*/
	21	#ifndef FLEX_ARRAY
	22	# define FLEX_ARRAY 1
	23	#endif
	24	#endif
	25
	26	#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
	27
	28	#ifdef __GNUC__
	29	#define TYPEOF(x) (__typeof__(x))
	30	#else
	31	#define TYPEOF(x)
	32	#endif
	33
	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 */
	36
	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)
	39
07800601	40	#define _ALL_SOURCE 1
07800601	41	#define _BSD_SOURCE 1
512fe365 CP	42	/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
512fe365 CP	43	#define _DEFAULT_SOURCE 1
e206d556	44	#define HAS_BOOL
07800601 IM	45
	46	#include <unistd.h>
	47	#include <stdio.h>
	48	#include <sys/stat.h>
f6bdafef	49	#include <sys/statfs.h>
07800601	50	#include <fcntl.h>
e206d556	51	#include <stdbool.h>
07800601 IM	52	#include <stddef.h>
	53	#include <stdlib.h>
	54	#include <stdarg.h>
	55	#include <string.h>
1fe143c5	56	#include <term.h>
07800601 IM	57	#include <errno.h>
	58	#include <limits.h>
	59	#include <sys/param.h>
	60	#include <sys/types.h>
	61	#include <dirent.h>
	62	#include <sys/time.h>
	63	#include <time.h>
	64	#include <signal.h>
	65	#include <fnmatch.h>
	66	#include <assert.h>
	67	#include <regex.h>
	68	#include <utime.h>
07800601	69	#include <sys/wait.h>
a8fa4960	70	#include <poll.h>
07800601 IM	71	#include <sys/socket.h>
07800601 IM	72	#include <sys/ioctl.h>
07800601	73	#include <inttypes.h>
972f393b	74	#include <linux/kernel.h>
f8fcd776	75	#include <linux/magic.h>
d944c4ee	76	#include <linux/types.h>
46e3e055	77	#include <sys/ttydefaults.h>
4605eab3	78	#include <api/fs/tracing_path.h>
756bbc84	79	#include <termios.h>
1dbfa938	80	#include <linux/bitops.h>
9398c484	81	#include <termios.h>
e1ce726e	82	#include "strlist.h"
1fe2c106	83
2890284b ACM	84	extern const char *graph_line;
2890284b ACM	85	extern const char *graph_dotted_line;
8e2fc44f NK	86	extern const char *spaces;
8e2fc44f NK	87	extern const char *dots;
45de34bb	88	extern char buildid_dir[];
2890284b	89
07800601 IM	90	/* On most systems <limits.h> would have given us this, but
	91	* not on some systems (e.g. GNU/Hurd).
	92	*/
	93	#ifndef PATH_MAX
	94	#define PATH_MAX 4096
	95	#endif
	96
	97	#ifndef PRIuMAX
	98	#define PRIuMAX "llu"
	99	#endif
	100
	101	#ifndef PRIu32
	102	#define PRIu32 "u"
	103	#endif
	104
	105	#ifndef PRIx32
	106	#define PRIx32 "x"
	107	#endif
	108
	109	#ifndef PATH_SEP
	110	#define PATH_SEP ':'
	111	#endif
	112
	113	#ifndef STRIP_EXTENSION
	114	#define STRIP_EXTENSION ""
	115	#endif
	116
	117	#ifndef has_dos_drive_prefix
	118	#define has_dos_drive_prefix(path) 0
	119	#endif
	120
	121	#ifndef is_dir_sep
	122	#define is_dir_sep(c) ((c) == '/')
	123	#endif
	124
	125	#ifdef __GNUC__
	126	#define NORETURN __attribute__((__noreturn__))
	127	#else
	128	#define NORETURN
	129	#ifndef __attribute__
	130	#define __attribute__(x)
	131	#endif
	132	#endif
	133
fc67297b NK	134	#define PERF_GTK_DSO "libperf-gtk.so"
fc67297b NK	135
07800601	136	/* General helper functions */
3938bad4 ACM	137	void usage(const char *err) NORETURN;
	138	void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
	139	int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
	140	void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
07800601	141
3938bad4	142	void set_warning_routine(void (routine)(const char err, va_list params));
07800601	143
3938bad4 ACM	144	int prefixcmp(const char str, const char prefix);
3938bad4 ACM	145	void set_buildid_dir(const char *dir);
07800601	146
07800601 IM	147	#ifdef __GLIBC_PREREQ
	148	#if __GLIBC_PREREQ(2, 1)
	149	#define HAVE_STRCHRNUL
	150	#endif
	151	#endif
	152
	153	#ifndef HAVE_STRCHRNUL
	154	#define strchrnul gitstrchrnul
	155	static inline char gitstrchrnul(const char s, int c)
	156	{
	157	while (s && s != c)
	158	s++;
	159	return (char *)s;
	160	}
	161	#endif
	162
36479484 ACM	163	static inline void *zalloc(size_t size)
	164	{
	165	return calloc(1, size);
	166	}
	167
04662523 ACM	168	#define zfree(ptr) ({ free(ptr); ptr = NULL; })
04662523 ACM	169
07800601 IM	170	/* Sane ctype - no locale, and works with signed chars */
	171	#undef isascii
	172	#undef isspace
	173	#undef isdigit
9e827dd0	174	#undef isxdigit
07800601	175	#undef isalpha
5f9c39dc	176	#undef isprint
07800601	177	#undef isalnum
2cd13b0f NK	178	#undef islower
2cd13b0f NK	179	#undef isupper
07800601 IM	180	#undef tolower
07800601 IM	181	#undef toupper
a1d37d52	182
752fde44 ACM	183	#ifndef NSEC_PER_MSEC
	184	#define NSEC_PER_MSEC 1000000L
	185	#endif
	186
3b47abe1 NK	187	int parse_nsec_time(const char str, u64 ptime);
3b47abe1 NK	188
07800601	189	extern unsigned char sane_ctype[256];
a73c7d84 PZ	190	#define GIT_SPACE 0x01
	191	#define GIT_DIGIT 0x02
	192	#define GIT_ALPHA 0x04
	193	#define GIT_GLOB_SPECIAL 0x08
	194	#define GIT_REGEX_SPECIAL 0x10
	195	#define GIT_PRINT_EXTRA 0x20
	196	#define GIT_PRINT 0x3E
07800601 IM	197	#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
	198	#define isascii(x) (((x) & ~0x7f) == 0)
	199	#define isspace(x) sane_istest(x,GIT_SPACE)
	200	#define isdigit(x) sane_istest(x,GIT_DIGIT)
9e827dd0 FW	201	#define isxdigit(x) \
9e827dd0 FW	202	(sane_istest(toupper(x), GIT_ALPHA \| GIT_DIGIT) && toupper(x) < 'G')
07800601 IM	203	#define isalpha(x) sane_istest(x,GIT_ALPHA)
07800601 IM	204	#define isalnum(x) sane_istest(x,GIT_ALPHA \| GIT_DIGIT)
a73c7d84	205	#define isprint(x) sane_istest(x,GIT_PRINT)
6956664a SB	206	#define islower(x) (sane_istest(x,GIT_ALPHA) && (x & 0x20))
6956664a SB	207	#define isupper(x) (sane_istest(x,GIT_ALPHA) && !(x & 0x20))
07800601 IM	208	#define tolower(x) sane_case((unsigned char)(x), 0x20)
	209	#define toupper(x) sane_case((unsigned char)(x), 0)
	210
	211	static inline int sane_case(int x, int high)
	212	{
	213	if (sane_istest(x, GIT_ALPHA))
	214	x = (x & ~0x20) \| high;
	215	return x;
	216	}
	217
4cf40131	218	int mkdir_p(char *path, mode_t mode);
0b1de0be	219	int rm_rf(char *path);
e1ce726e MH	220	struct strlist lsdir(const char name, bool (filter)(const char , struct dirent *));
e1ce726e MH	221	bool lsdir_no_dot_filter(const char name, struct dirent d);
4cf40131	222	int copyfile(const char from, const char to);
9a17d726	223	int copyfile_mode(const char from, const char to, mode_t mode);
9c9f5a2f	224	int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);
4cf40131	225
e206d556 ACM	226	s64 perf_atoll(const char *str);
	227	char *argv_split(const char str, int *argcp);
	228	void argv_free(char **argv);
	229	bool strglobmatch(const char str, const char pat);
	230	bool strlazymatch(const char str, const char pat);
4c859351 MH	231	static inline bool strisglob(const char *str)
	232	{
	233	return strpbrk(str, "*?[") != NULL;
	234	}
bad03ae4	235	int strtailcmp(const char s1, const char s2);
ea36c46b	236	char strxfrchar(char s, char from, char to);
c82ee828	237	unsigned long convert_unit(unsigned long value, char *unit);
727ebd54	238	ssize_t readn(int fd, void *buf, size_t n);
bc3a502b	239	ssize_t writen(int fd, void *buf, size_t n);
e206d556	240
1aed2671 JR	241	struct perf_event_attr;
	242
	243	void event_attr_init(struct perf_event_attr *attr);
	244
e206d556 ACM	245	#define _STR(x) #x
	246	#define STR(x) _STR(x)
	247
61e04b33	248	size_t hex_width(u64 v);
b2aff5f6	249	int hex2u64(const char ptr, u64 val);
61e04b33	250
08aa9cce	251	char ltrim(char s);
cb1a28a0 ACM	252	char rtrim(char s);
cb1a28a0 ACM	253
7d6a7e78 JO	254	static inline char trim(char s)
	255	{
	256	return ltrim(rtrim(s));
	257	}
	258
dc4552bf	259	void dump_stack(void);
07c1a0da	260	void sighandler_dump_stack(int sig);
dc4552bf	261
0c1fe6b2	262	extern unsigned int page_size;
2b1b7100	263	extern int cacheline_size;
4cb93446	264	extern unsigned int sysctl_perf_event_max_stack;
0c1fe6b2	265
27050f53 JO	266	struct parse_tag {
	267	char tag;
	268	int mult;
	269	};
	270
	271	unsigned long parse_tag_value(const char str, struct parse_tag tags);
f048d548 NK	272
	273	#define SRCLINE_UNKNOWN ((char *) "??:0")
	274
972f393b ACM	275	static inline int path__join(char *bf, size_t size,
	276	const char path1, const char path2)
	277	{
	278	return scnprintf(bf, size, "%s%s%s", path1, path1[0] ? "/" : "", path2);
	279	}
	280
	281	static inline int path__join3(char *bf, size_t size,
	282	const char path1, const char path2,
	283	const char *path3)
	284	{
	285	return scnprintf(bf, size, "%s%s%s%s%s",
	286	path1, path1[0] ? "/" : "",
	287	path2, path2[0] ? "/" : "", path3);
	288	}
	289
86c98cab	290	struct dso;
85c116a6	291	struct symbol;
86c98cab	292
a9710ba0	293	extern bool srcline_full_filename;
ac931f87	294	char get_srcline(struct dso dso, u64 addr, struct symbol *sym,
85c116a6	295	bool show_sym);
2f84b42b AK	296	char __get_srcline(struct dso dso, u64 addr, struct symbol *sym,
2f84b42b AK	297	bool show_sym, bool unwind_inlines);
f048d548	298	void free_srcline(char *srcline);
97a07f10	299
1a47245d	300	int perf_event_paranoid(void);
e1a2b174	301
71db07b1 AH	302	void mem_bswap_64(void *src, int byte_size);
	303	void mem_bswap_32(void *src, int byte_size);
	304
e1a2b174	305	const char *get_filename_for_perf_kvm(void);
63914aca	306	bool find_process(const char *name);
e92ce12e NK	307
	308	#ifdef HAVE_ZLIB_SUPPORT
	309	int gzip_decompress_to_file(const char *input, int output_fd);
	310	#endif
	311
80a32e5b JO	312	#ifdef HAVE_LZMA_SUPPORT
	313	int lzma_decompress_to_file(const char *input, int output_fd);
	314	#endif
	315
93ec4ce7 ACM	316	char asprintf_expr_inout_ints(const char var, bool in, size_t nints, int *ints);
	317
	318	static inline char asprintf_expr_in_ints(const char var, size_t nints, int *ints)
	319	{
	320	return asprintf_expr_inout_ints(var, true, nints, ints);
	321	}
	322
	323	static inline char asprintf_expr_not_in_ints(const char var, size_t nints, int *ints)
	324	{
	325	return asprintf_expr_inout_ints(var, false, nints, ints);
	326	}
	327
076a30c4 KL	328	int get_stack_size(const char str, unsigned long _size);
076a30c4 KL	329
07bc5c69 WN	330	int fetch_kernel_version(unsigned int *puint,
07bc5c69 WN	331	char *str, size_t str_sz);
d3e0ce39 WN	332	#define KVER_VERSION(x) (((x) >> 16) & 0xff)
	333	#define KVER_PATCHLEVEL(x) (((x) >> 8) & 0xff)
	334	#define KVER_SUBLEVEL(x) ((x) & 0xff)
	335	#define KVER_FMT "%d.%d.%d"
	336	#define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
07bc5c69	337
14cbfbeb	338	const char perf_tip(const char dirpath);
40356721	339	bool is_regular_file(const char *file);
37b20151	340	int fetch_current_timestamp(char *buf, size_t sz);
14cbfbeb	341
c339b1a9 WN	342	enum binary_printer_ops {
	343	BINARY_PRINT_DATA_BEGIN,
	344	BINARY_PRINT_LINE_BEGIN,
	345	BINARY_PRINT_ADDR,
	346	BINARY_PRINT_NUM_DATA,
	347	BINARY_PRINT_NUM_PAD,
	348	BINARY_PRINT_SEP,
	349	BINARY_PRINT_CHAR_DATA,
	350	BINARY_PRINT_CHAR_PAD,
	351	BINARY_PRINT_LINE_END,
	352	BINARY_PRINT_DATA_END,
	353	};
	354
	355	typedef void (*print_binary_t)(enum binary_printer_ops,
	356	unsigned int val,
	357	void *extra);
	358
	359	void print_binary(unsigned char *data, size_t len,
	360	size_t bytes_per_line, print_binary_t printer,
	361	void *extra);
1355915a	362	#endif /* GIT_COMPAT_UTIL_H */