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

#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 _GNU_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>
#ifndef NO_SYS_SELECT_H
#include <sys/select.h>
#endif
#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"


#ifndef NO_ICONV
#include <iconv.h>
#endif

extern const char *graph_line;
extern const char *graph_dotted_line;

/* 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 time_t tm_to_time_t(const struct tm *tm);

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;
}

#if defined(NO_MMAP) || defined(USE_WIN32_MMAP)

#ifndef PROT_READ
#define PROT_READ 1
#define PROT_WRITE 2
#define MAP_PRIVATE 1
#define MAP_FAILED ((void*)-1)
#endif

#define mmap git_mmap
#define munmap git_munmap
extern void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
extern int git_munmap(void *start, size_t length);

#else /* NO_MMAP || USE_WIN32_MMAP */

#include <sys/mman.h>

#endif /* NO_MMAP || USE_WIN32_MMAP */

#ifdef NO_MMAP

/* This value must be multiple of (pagesize * 2) */
#define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024)

#else /* NO_MMAP */

/* This value must be multiple of (pagesize * 2) */
#define DEFAULT_PACKED_GIT_WINDOW_SIZE \
	(sizeof(void*) >= 8 \
		?  1 * 1024 * 1024 * 1024 \
		: 32 * 1024 * 1024)

#endif /* NO_MMAP */

#ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
#define on_disk_bytes(st) ((st).st_size)
#else
#define on_disk_bytes(st) ((st).st_blocks * 512)
#endif

#define DEFAULT_PACKED_GIT_LIMIT \
	((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))

#ifdef NO_PREAD
#define pread git_pread
extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset);
#endif
/*
 * Forward decl that will remind us if its twin in cache.h changes.
 * This function is used in compat/pread.c.  But we can't include
 * cache.h there.
 */
extern ssize_t read_in_full(int fd, void *buf, size_t count);

#ifdef NO_SETENV
#define setenv gitsetenv
extern int gitsetenv(const char *, const char *, int);
#endif

#ifdef NO_MKDTEMP
#define mkdtemp gitmkdtemp
extern char *gitmkdtemp(char *);
#endif

#ifdef NO_UNSETENV
#define unsetenv gitunsetenv
extern void gitunsetenv(const char *);
#endif

#ifdef NO_STRCASESTR
#define strcasestr gitstrcasestr
extern char *gitstrcasestr(const char *haystack, const char *needle);
#endif

#ifdef NO_STRLCPY
#define strlcpy gitstrlcpy
extern size_t gitstrlcpy(char *, const char *, size_t);
#endif

#ifdef NO_STRTOUMAX
#define strtoumax gitstrtoumax
extern uintmax_t gitstrtoumax(const char *, char **, int);
#endif

#ifdef NO_HSTRERROR
#define hstrerror githstrerror
extern const char *githstrerror(int herror);
#endif

#ifdef NO_MEMMEM
#define memmem gitmemmem
void *gitmemmem(const void *haystack, size_t haystacklen,
                const void *needle, size_t needlelen);
#endif

#ifdef FREAD_READS_DIRECTORIES
#ifdef fopen
#undef fopen
#endif
#define fopen(a,b) git_fopen(a,b)
extern FILE *git_fopen(const char*, const char*);
#endif

#ifdef SNPRINTF_RETURNS_BOGUS
#define snprintf git_snprintf
extern int git_snprintf(char *str, size_t maxsize,
			const char *format, ...);
#define vsnprintf git_vsnprintf
extern int git_vsnprintf(char *str, size_t maxsize,
			 const char *format, va_list ap);
#endif

#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 *xmalloc(size_t size) __attribute__((weak));
extern void *xmemdupz(const void *data, size_t len);
extern char *xstrndup(const char *str, size_t len);
extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));

static inline void *xzalloc(size_t size)
{
	void *buf = xmalloc(size);

	return memset(buf, 0, size);
}

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

static inline size_t xsize_t(off_t len)
{
	return (size_t)len;
}

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 is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL)
#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL)
#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;
}

static inline int strtoul_ui(char const *s, int base, unsigned int *result)
{
	unsigned long ul;
	char *p;

	errno = 0;
	ul = strtoul(s, &p, base);
	if (errno || *p || p == s || (unsigned int) ul != ul)
		return -1;
	*result = ul;
	return 0;
}

static inline int strtol_i(char const *s, int base, int *result)
{
	long ul;
	char *p;

	errno = 0;
	ul = strtol(s, &p, base);
	if (errno || *p || p == s || (int) ul != ul)
		return -1;
	*result = ul;
	return 0;
}

#ifdef INTERNAL_QSORT
void git_qsort(void *base, size_t nmemb, size_t size,
	       int(*compar)(const void *, const void *));
#define qsort git_qsort
#endif

#ifndef DIR_HAS_BSD_GROUP_SEMANTICS
# define FORCE_DIR_SET_GID S_ISGID
#else
# define FORCE_DIR_SET_GID 0
#endif

#ifdef NO_NSEC
#undef USE_NSEC
#define ST_CTIME_NSEC(st) 0
#define ST_MTIME_NSEC(st) 0
#else
#ifdef USE_ST_TIMESPEC
#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctimespec.tv_nsec))
#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtimespec.tv_nsec))
#else
#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctim.tv_nsec))
#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec))
#endif
#endif

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);

#define _STR(x) #x
#define STR(x) _STR(x)

#endif
Commit	Line	Data
07800601 IM	1	#ifndef GIT_COMPAT_UTIL_H
	2	#define GIT_COMPAT_UTIL_H
	3
	4	#define _FILE_OFFSET_BITS 64
	5
	6	#ifndef FLEX_ARRAY
	7	/*
	8	* See if our compiler is known to support flexible array members.
	9	*/
	10	#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
	11	# define FLEX_ARRAY /* empty */
	12	#elif defined(__GNUC__)
	13	# if (__GNUC__ >= 3)
	14	# define FLEX_ARRAY /* empty */
	15	# else
	16	# define FLEX_ARRAY 0 /* older GNU extension */
	17	# endif
	18	#endif
	19
	20	/*
	21	* Otherwise, default to safer but a bit wasteful traditional style
	22	*/
	23	#ifndef FLEX_ARRAY
	24	# define FLEX_ARRAY 1
	25	#endif
	26	#endif
	27
	28	#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
	29
	30	#ifdef __GNUC__
	31	#define TYPEOF(x) (__typeof__(x))
	32	#else
	33	#define TYPEOF(x)
	34	#endif
	35
	36	#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits))))
	37	#define HAS_MULTI_BITS(i) ((i) & ((i) - 1)) /* checks if an integer has more than 1 bit set */
	38
	39	/* Approximation of the length of the decimal representation of this type. */
	40	#define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
	41
07800601 IM	42	#define _ALL_SOURCE 1
	43	#define _GNU_SOURCE 1
	44	#define _BSD_SOURCE 1
e206d556	45	#define HAS_BOOL
07800601 IM	46
	47	#include <unistd.h>
	48	#include <stdio.h>
	49	#include <sys/stat.h>
f6bdafef	50	#include <sys/statfs.h>
07800601	51	#include <fcntl.h>
e206d556	52	#include <stdbool.h>
07800601 IM	53	#include <stddef.h>
	54	#include <stdlib.h>
	55	#include <stdarg.h>
	56	#include <string.h>
	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 IM	69	#include <sys/wait.h>
	70	#include <sys/poll.h>
	71	#include <sys/socket.h>
	72	#include <sys/ioctl.h>
	73	#ifndef NO_SYS_SELECT_H
	74	#include <sys/select.h>
	75	#endif
	76	#include <netinet/in.h>
	77	#include <netinet/tcp.h>
	78	#include <arpa/inet.h>
	79	#include <netdb.h>
	80	#include <pwd.h>
	81	#include <inttypes.h>
f6bdafef	82	#include "../../../include/linux/magic.h"
e206d556	83	#include "types.h"
07800601	84
1fe2c106	85
07800601 IM	86	#ifndef NO_ICONV
	87	#include <iconv.h>
	88	#endif
	89
2890284b ACM	90	extern const char *graph_line;
	91	extern const char *graph_dotted_line;
	92
07800601 IM	93	/* On most systems <limits.h> would have given us this, but
	94	* not on some systems (e.g. GNU/Hurd).
	95	*/
	96	#ifndef PATH_MAX
	97	#define PATH_MAX 4096
	98	#endif
	99
	100	#ifndef PRIuMAX
	101	#define PRIuMAX "llu"
	102	#endif
	103
	104	#ifndef PRIu32
	105	#define PRIu32 "u"
	106	#endif
	107
	108	#ifndef PRIx32
	109	#define PRIx32 "x"
	110	#endif
	111
	112	#ifndef PATH_SEP
	113	#define PATH_SEP ':'
	114	#endif
	115
	116	#ifndef STRIP_EXTENSION
	117	#define STRIP_EXTENSION ""
	118	#endif
	119
	120	#ifndef has_dos_drive_prefix
	121	#define has_dos_drive_prefix(path) 0
	122	#endif
	123
	124	#ifndef is_dir_sep
	125	#define is_dir_sep(c) ((c) == '/')
	126	#endif
	127
	128	#ifdef __GNUC__
	129	#define NORETURN __attribute__((__noreturn__))
	130	#else
	131	#define NORETURN
	132	#ifndef __attribute__
	133	#define __attribute__(x)
	134	#endif
	135	#endif
	136
	137	/* General helper functions */
	138	extern void usage(const char *err) NORETURN;
	139	extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
	140	extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
	141	extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
	142
9769833b MH	143	#include "../../../include/linux/stringify.h"
	144
	145	#define DIE_IF(cnd) \
	146	do { if (cnd) \
	147	die(" at (" __FILE__ ":" __stringify(__LINE__) "): " \
	148	__stringify(cnd) "\n"); \
	149	} while (0)
	150
	151
07800601 IM	152	extern void set_die_routine(void (routine)(const char err, va_list params) NORETURN);
	153
	154	extern int prefixcmp(const char str, const char prefix);
	155	extern time_t tm_to_time_t(const struct tm *tm);
	156
	157	static inline const char skip_prefix(const char str, const char *prefix)
	158	{
	159	size_t len = strlen(prefix);
	160	return strncmp(str, prefix, len) ? NULL : str + len;
	161	}
	162
	163	#if defined(NO_MMAP) \|\| defined(USE_WIN32_MMAP)
	164
	165	#ifndef PROT_READ
	166	#define PROT_READ 1
	167	#define PROT_WRITE 2
	168	#define MAP_PRIVATE 1
	169	#define MAP_FAILED ((void*)-1)
	170	#endif
	171
	172	#define mmap git_mmap
	173	#define munmap git_munmap
	174	extern void git_mmap(void start, size_t length, int prot, int flags, int fd, off_t offset);
	175	extern int git_munmap(void *start, size_t length);
	176
	177	#else /* NO_MMAP \|\| USE_WIN32_MMAP */
	178
	179	#include <sys/mman.h>
	180
	181	#endif /* NO_MMAP \|\| USE_WIN32_MMAP */
	182
	183	#ifdef NO_MMAP
	184
	185	/* This value must be multiple of (pagesize * 2) */
	186	#define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024)
	187
	188	#else /* NO_MMAP */
	189
	190	/* This value must be multiple of (pagesize * 2) */
	191	#define DEFAULT_PACKED_GIT_WINDOW_SIZE \
	192	(sizeof(void*) >= 8 \
	193	? 1 * 1024 * 1024 * 1024 \
	194	: 32 * 1024 * 1024)
	195
	196	#endif /* NO_MMAP */
	197
	198	#ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
	199	#define on_disk_bytes(st) ((st).st_size)
	200	#else
	201	#define on_disk_bytes(st) ((st).st_blocks * 512)
	202	#endif
	203
	204	#define DEFAULT_PACKED_GIT_LIMIT \
	205	((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
	206
	207	#ifdef NO_PREAD
	208	#define pread git_pread
	209	extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset);
	210	#endif
	211	/*
	212	* Forward decl that will remind us if its twin in cache.h changes.
	213	* This function is used in compat/pread.c. But we can't include
	214	* cache.h there.
	215	*/
216	extern ssize_t read_in_full(int fd, void *buf, size_t count);
217
218	#ifdef NO_SETENV
219	#define setenv gitsetenv
220	extern int gitsetenv(const char , const char , int);
221	#endif
222
223	#ifdef NO_MKDTEMP
224	#define mkdtemp gitmkdtemp
225	extern char gitmkdtemp(char );
226	#endif
227
228	#ifdef NO_UNSETENV
229	#define unsetenv gitunsetenv
230	extern void gitunsetenv(const char *);
231	#endif
232
233	#ifdef NO_STRCASESTR
234	#define strcasestr gitstrcasestr
235	extern char gitstrcasestr(const char haystack, const char *needle);
236	#endif
237
238	#ifdef NO_STRLCPY
239	#define strlcpy gitstrlcpy
240	extern size_t gitstrlcpy(char , const char , size_t);
241	#endif
242
243	#ifdef NO_STRTOUMAX
244	#define strtoumax gitstrtoumax
245	extern uintmax_t gitstrtoumax(const char , char *, int);
246	#endif
247
248	#ifdef NO_HSTRERROR
249	#define hstrerror githstrerror
250	extern const char *githstrerror(int herror);
251	#endif
252
253	#ifdef NO_MEMMEM
254	#define memmem gitmemmem
255	void gitmemmem(const void haystack, size_t haystacklen,
256	const void *needle, size_t needlelen);
257	#endif
258
259	#ifdef FREAD_READS_DIRECTORIES
260	#ifdef fopen
261	#undef fopen
262	#endif
263	#define fopen(a,b) git_fopen(a,b)
264	extern FILE git_fopen(const char, const char*);
265	#endif
266
267	#ifdef SNPRINTF_RETURNS_BOGUS
268	#define snprintf git_snprintf
269	extern int git_snprintf(char *str, size_t maxsize,
270	const char *format, ...);
271	#define vsnprintf git_vsnprintf
272	extern int git_vsnprintf(char *str, size_t maxsize,
273	const char *format, va_list ap);
274	#endif
275
276	#ifdef __GLIBC_PREREQ
277	#if __GLIBC_PREREQ(2, 1)
278	#define HAVE_STRCHRNUL
279	#endif
280	#endif
281
282	#ifndef HAVE_STRCHRNUL
283	#define strchrnul gitstrchrnul
284	static inline char gitstrchrnul(const char s, int c)
285	{
286	while (s && s != c)
287	s++;
288	return (char *)s;
289	}
290	#endif
291
6f06ccbc IM	292	/*
	293	* Wrappers:
	294	*/
	295	extern char xstrdup(const char str);
727dad10	296	extern void *xmalloc(size_t size) __attribute__((weak));
6f06ccbc IM	297	extern void xmemdupz(const void data, size_t len);
6f06ccbc IM	298	extern char xstrndup(const char str, size_t len);
727dad10	299	extern void xrealloc(void ptr, size_t size) __attribute__((weak));
16f762a2	300
a1d37d52 MH	301	static inline void *xzalloc(size_t size)
	302	{
	303	void *buf = xmalloc(size);
	304
	305	return memset(buf, 0, size);
	306	}
	307
36479484 ACM	308	static inline void *zalloc(size_t size)
	309	{
	310	return calloc(1, size);
	311	}
	312
07800601 IM	313	static inline size_t xsize_t(off_t len)
	314	{
	315	return (size_t)len;
	316	}
	317
	318	static inline int has_extension(const char filename, const char ext)
	319	{
	320	size_t len = strlen(filename);
	321	size_t extlen = strlen(ext);
a1d37d52	322
07800601 IM	323	return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
	324	}
	325
	326	/* Sane ctype - no locale, and works with signed chars */
	327	#undef isascii
	328	#undef isspace
	329	#undef isdigit
9e827dd0	330	#undef isxdigit
07800601	331	#undef isalpha
5f9c39dc	332	#undef isprint
07800601 IM	333	#undef isalnum
	334	#undef tolower
	335	#undef toupper
a1d37d52	336
07800601	337	extern unsigned char sane_ctype[256];
a73c7d84 PZ	338	#define GIT_SPACE 0x01
	339	#define GIT_DIGIT 0x02
	340	#define GIT_ALPHA 0x04
	341	#define GIT_GLOB_SPECIAL 0x08
	342	#define GIT_REGEX_SPECIAL 0x10
	343	#define GIT_PRINT_EXTRA 0x20
	344	#define GIT_PRINT 0x3E
07800601 IM	345	#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
	346	#define isascii(x) (((x) & ~0x7f) == 0)
	347	#define isspace(x) sane_istest(x,GIT_SPACE)
	348	#define isdigit(x) sane_istest(x,GIT_DIGIT)
9e827dd0 FW	349	#define isxdigit(x) \
9e827dd0 FW	350	(sane_istest(toupper(x), GIT_ALPHA \| GIT_DIGIT) && toupper(x) < 'G')
07800601 IM	351	#define isalpha(x) sane_istest(x,GIT_ALPHA)
07800601 IM	352	#define isalnum(x) sane_istest(x,GIT_ALPHA \| GIT_DIGIT)
a73c7d84	353	#define isprint(x) sane_istest(x,GIT_PRINT)
07800601 IM	354	#define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL)
	355	#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL \| GIT_REGEX_SPECIAL)
	356	#define tolower(x) sane_case((unsigned char)(x), 0x20)
	357	#define toupper(x) sane_case((unsigned char)(x), 0)
	358
	359	static inline int sane_case(int x, int high)
	360	{
	361	if (sane_istest(x, GIT_ALPHA))
	362	x = (x & ~0x20) \| high;
	363	return x;
	364	}
	365
	366	static inline int strtoul_ui(char const s, int base, unsigned int result)
	367	{
	368	unsigned long ul;
	369	char *p;
	370
	371	errno = 0;
	372	ul = strtoul(s, &p, base);
	373	if (errno \|\| *p \|\| p == s \|\| (unsigned int) ul != ul)
	374	return -1;
	375	*result = ul;
	376	return 0;
	377	}
	378
	379	static inline int strtol_i(char const s, int base, int result)
	380	{
	381	long ul;
	382	char *p;
	383
	384	errno = 0;
	385	ul = strtol(s, &p, base);
	386	if (errno \|\| *p \|\| p == s \|\| (int) ul != ul)
	387	return -1;
	388	*result = ul;
	389	return 0;
	390	}
	391
	392	#ifdef INTERNAL_QSORT
	393	void git_qsort(void *base, size_t nmemb, size_t size,
	394	int(compar)(const void , const void *));
	395	#define qsort git_qsort
	396	#endif
	397
	398	#ifndef DIR_HAS_BSD_GROUP_SEMANTICS
	399	# define FORCE_DIR_SET_GID S_ISGID
	400	#else
	401	# define FORCE_DIR_SET_GID 0
	402	#endif
	403
	404	#ifdef NO_NSEC
	405	#undef USE_NSEC
	406	#define ST_CTIME_NSEC(st) 0
	407	#define ST_MTIME_NSEC(st) 0
	408	#else
	409	#ifdef USE_ST_TIMESPEC
	410	#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctimespec.tv_nsec))
	411	#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtimespec.tv_nsec))
	412	#else
	413	#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctim.tv_nsec))
	414	#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec))
	415	#endif
	416	#endif
	417
4cf40131 ACM	418	int mkdir_p(char *path, mode_t mode);
	419	int copyfile(const char from, const char to);
	420
e206d556 ACM	421	s64 perf_atoll(const char *str);
	422	char *argv_split(const char str, int *argcp);
	423	void argv_free(char **argv);
	424	bool strglobmatch(const char str, const char pat);
	425	bool strlazymatch(const char str, const char pat);
	426
	427	#define _STR(x) #x
	428	#define STR(x) _STR(x)
	429
07800601	430	#endif