[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

#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <fcntl.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"


#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);
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);
extern void *xcalloc(size_t nmemb, size_t size);
extern void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
extern ssize_t xread(int fd, void *buf, size_t len);
extern ssize_t xwrite(int fd, const void *buf, size_t len);
extern int xdup(int fd);
extern FILE *xfdopen(int fd, const char *mode);
extern int xmkstemp(char *template);

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

#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
	45
	46	#include <unistd.h>
	47	#include <stdio.h>
	48	#include <sys/stat.h>
f6bdafef	49	#include <sys/statfs.h>
07800601 IM	50	#include <fcntl.h>
	51	#include <stddef.h>
	52	#include <stdlib.h>
	53	#include <stdarg.h>
	54	#include <string.h>
	55	#include <errno.h>
	56	#include <limits.h>
	57	#include <sys/param.h>
	58	#include <sys/types.h>
	59	#include <dirent.h>
	60	#include <sys/time.h>
	61	#include <time.h>
	62	#include <signal.h>
	63	#include <fnmatch.h>
	64	#include <assert.h>
	65	#include <regex.h>
	66	#include <utime.h>
07800601 IM	67	#include <sys/wait.h>
	68	#include <sys/poll.h>
	69	#include <sys/socket.h>
	70	#include <sys/ioctl.h>
	71	#ifndef NO_SYS_SELECT_H
	72	#include <sys/select.h>
	73	#endif
	74	#include <netinet/in.h>
	75	#include <netinet/tcp.h>
	76	#include <arpa/inet.h>
	77	#include <netdb.h>
	78	#include <pwd.h>
	79	#include <inttypes.h>
f6bdafef	80	#include "../../../include/linux/magic.h"
07800601	81
1fe2c106	82
07800601 IM	83	#ifndef NO_ICONV
	84	#include <iconv.h>
	85	#endif
	86
2890284b ACM	87	extern const char *graph_line;
	88	extern const char *graph_dotted_line;
	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
	134	/* General helper functions */
	135	extern void usage(const char *err) NORETURN;
	136	extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
	137	extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
	138	extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
	139
9769833b MH	140	#include "../../../include/linux/stringify.h"
	141
	142	#define DIE_IF(cnd) \
	143	do { if (cnd) \
	144	die(" at (" __FILE__ ":" __stringify(__LINE__) "): " \
	145	__stringify(cnd) "\n"); \
	146	} while (0)
	147
	148
07800601 IM	149	extern void set_die_routine(void (routine)(const char err, va_list params) NORETURN);
	150
	151	extern int prefixcmp(const char str, const char prefix);
	152	extern time_t tm_to_time_t(const struct tm *tm);
	153
	154	static inline const char skip_prefix(const char str, const char *prefix)
	155	{
	156	size_t len = strlen(prefix);
	157	return strncmp(str, prefix, len) ? NULL : str + len;
	158	}
	159
	160	#if defined(NO_MMAP) \|\| defined(USE_WIN32_MMAP)
	161
	162	#ifndef PROT_READ
	163	#define PROT_READ 1
	164	#define PROT_WRITE 2
	165	#define MAP_PRIVATE 1
	166	#define MAP_FAILED ((void*)-1)
	167	#endif
	168
	169	#define mmap git_mmap
	170	#define munmap git_munmap
	171	extern void git_mmap(void start, size_t length, int prot, int flags, int fd, off_t offset);
	172	extern int git_munmap(void *start, size_t length);
	173
	174	#else /* NO_MMAP \|\| USE_WIN32_MMAP */
	175
	176	#include <sys/mman.h>
	177
	178	#endif /* NO_MMAP \|\| USE_WIN32_MMAP */
	179
	180	#ifdef NO_MMAP
	181
	182	/* This value must be multiple of (pagesize * 2) */
	183	#define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024)
	184
	185	#else /* NO_MMAP */
	186
	187	/* This value must be multiple of (pagesize * 2) */
	188	#define DEFAULT_PACKED_GIT_WINDOW_SIZE \
	189	(sizeof(void*) >= 8 \
	190	? 1 * 1024 * 1024 * 1024 \
	191	: 32 * 1024 * 1024)
	192
	193	#endif /* NO_MMAP */
	194
	195	#ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
	196	#define on_disk_bytes(st) ((st).st_size)
	197	#else
	198	#define on_disk_bytes(st) ((st).st_blocks * 512)
	199	#endif
	200
	201	#define DEFAULT_PACKED_GIT_LIMIT \
	202	((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
	203
	204	#ifdef NO_PREAD
	205	#define pread git_pread
	206	extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset);
	207	#endif
	208	/*
	209	* Forward decl that will remind us if its twin in cache.h changes.
	210	* This function is used in compat/pread.c. But we can't include
	211	* cache.h there.
	212	*/
213	extern ssize_t read_in_full(int fd, void *buf, size_t count);
214
215	#ifdef NO_SETENV
216	#define setenv gitsetenv
217	extern int gitsetenv(const char , const char , int);
218	#endif
219
220	#ifdef NO_MKDTEMP
221	#define mkdtemp gitmkdtemp
222	extern char gitmkdtemp(char );
223	#endif
224
225	#ifdef NO_UNSETENV
226	#define unsetenv gitunsetenv
227	extern void gitunsetenv(const char *);
228	#endif
229
230	#ifdef NO_STRCASESTR
231	#define strcasestr gitstrcasestr
232	extern char gitstrcasestr(const char haystack, const char *needle);
233	#endif
234
235	#ifdef NO_STRLCPY
236	#define strlcpy gitstrlcpy
237	extern size_t gitstrlcpy(char , const char , size_t);
238	#endif
239
240	#ifdef NO_STRTOUMAX
241	#define strtoumax gitstrtoumax
242	extern uintmax_t gitstrtoumax(const char , char *, int);
243	#endif
244
245	#ifdef NO_HSTRERROR
246	#define hstrerror githstrerror
247	extern const char *githstrerror(int herror);
248	#endif
249
250	#ifdef NO_MEMMEM
251	#define memmem gitmemmem
252	void gitmemmem(const void haystack, size_t haystacklen,
253	const void *needle, size_t needlelen);
254	#endif
255
256	#ifdef FREAD_READS_DIRECTORIES
257	#ifdef fopen
258	#undef fopen
259	#endif
260	#define fopen(a,b) git_fopen(a,b)
261	extern FILE git_fopen(const char, const char*);
262	#endif
263
264	#ifdef SNPRINTF_RETURNS_BOGUS
265	#define snprintf git_snprintf
266	extern int git_snprintf(char *str, size_t maxsize,
267	const char *format, ...);
268	#define vsnprintf git_vsnprintf
269	extern int git_vsnprintf(char *str, size_t maxsize,
270	const char *format, va_list ap);
271	#endif
272
273	#ifdef __GLIBC_PREREQ
274	#if __GLIBC_PREREQ(2, 1)
275	#define HAVE_STRCHRNUL
276	#endif
277	#endif
278
279	#ifndef HAVE_STRCHRNUL
280	#define strchrnul gitstrchrnul
281	static inline char gitstrchrnul(const char s, int c)
282	{
283	while (s && s != c)
284	s++;
285	return (char *)s;
286	}
287	#endif
288
6f06ccbc IM	289	/*
	290	* Wrappers:
	291	*/
	292	extern char xstrdup(const char str);
	293	extern void *xmalloc(size_t size);
	294	extern void xmemdupz(const void data, size_t len);
	295	extern char xstrndup(const char str, size_t len);
	296	extern void xrealloc(void ptr, size_t size);
	297	extern void *xcalloc(size_t nmemb, size_t size);
	298	extern void xmmap(void start, size_t length, int prot, int flags, int fd, off_t offset);
	299	extern ssize_t xread(int fd, void *buf, size_t len);
	300	extern ssize_t xwrite(int fd, const void *buf, size_t len);
	301	extern int xdup(int fd);
	302	extern FILE xfdopen(int fd, const char mode);
16f762a2 IM	303	extern int xmkstemp(char *template);
16f762a2 IM	304
36479484 ACM	305	static inline void *zalloc(size_t size)
	306	{
	307	return calloc(1, size);
	308	}
	309
07800601 IM	310	static inline size_t xsize_t(off_t len)
	311	{
	312	return (size_t)len;
	313	}
	314
	315	static inline int has_extension(const char filename, const char ext)
	316	{
	317	size_t len = strlen(filename);
	318	size_t extlen = strlen(ext);
	319	return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
	320	}
	321
	322	/* Sane ctype - no locale, and works with signed chars */
	323	#undef isascii
	324	#undef isspace
	325	#undef isdigit
9e827dd0	326	#undef isxdigit
07800601	327	#undef isalpha
5f9c39dc	328	#undef isprint
07800601 IM	329	#undef isalnum
	330	#undef tolower
	331	#undef toupper
	332	extern unsigned char sane_ctype[256];
a73c7d84 PZ	333	#define GIT_SPACE 0x01
	334	#define GIT_DIGIT 0x02
	335	#define GIT_ALPHA 0x04
	336	#define GIT_GLOB_SPECIAL 0x08
	337	#define GIT_REGEX_SPECIAL 0x10
	338	#define GIT_PRINT_EXTRA 0x20
	339	#define GIT_PRINT 0x3E
07800601 IM	340	#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
	341	#define isascii(x) (((x) & ~0x7f) == 0)
	342	#define isspace(x) sane_istest(x,GIT_SPACE)
	343	#define isdigit(x) sane_istest(x,GIT_DIGIT)
9e827dd0 FW	344	#define isxdigit(x) \
9e827dd0 FW	345	(sane_istest(toupper(x), GIT_ALPHA \| GIT_DIGIT) && toupper(x) < 'G')
07800601 IM	346	#define isalpha(x) sane_istest(x,GIT_ALPHA)
07800601 IM	347	#define isalnum(x) sane_istest(x,GIT_ALPHA \| GIT_DIGIT)
a73c7d84	348	#define isprint(x) sane_istest(x,GIT_PRINT)
07800601 IM	349	#define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL)
	350	#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL \| GIT_REGEX_SPECIAL)
	351	#define tolower(x) sane_case((unsigned char)(x), 0x20)
	352	#define toupper(x) sane_case((unsigned char)(x), 0)
	353
	354	static inline int sane_case(int x, int high)
	355	{
	356	if (sane_istest(x, GIT_ALPHA))
	357	x = (x & ~0x20) \| high;
	358	return x;
	359	}
	360
	361	static inline int strtoul_ui(char const s, int base, unsigned int result)
	362	{
	363	unsigned long ul;
	364	char *p;
	365
	366	errno = 0;
	367	ul = strtoul(s, &p, base);
	368	if (errno \|\| *p \|\| p == s \|\| (unsigned int) ul != ul)
	369	return -1;
	370	*result = ul;
	371	return 0;
	372	}
	373
	374	static inline int strtol_i(char const s, int base, int result)
	375	{
	376	long ul;
	377	char *p;
	378
	379	errno = 0;
	380	ul = strtol(s, &p, base);
	381	if (errno \|\| *p \|\| p == s \|\| (int) ul != ul)
	382	return -1;
	383	*result = ul;
	384	return 0;
	385	}
	386
	387	#ifdef INTERNAL_QSORT
	388	void git_qsort(void *base, size_t nmemb, size_t size,
	389	int(compar)(const void , const void *));
	390	#define qsort git_qsort
	391	#endif
	392
	393	#ifndef DIR_HAS_BSD_GROUP_SEMANTICS
	394	# define FORCE_DIR_SET_GID S_ISGID
	395	#else
	396	# define FORCE_DIR_SET_GID 0
	397	#endif
	398
	399	#ifdef NO_NSEC
	400	#undef USE_NSEC
	401	#define ST_CTIME_NSEC(st) 0
	402	#define ST_MTIME_NSEC(st) 0
	403	#else
	404	#ifdef USE_ST_TIMESPEC
	405	#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctimespec.tv_nsec))
	406	#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtimespec.tv_nsec))
	407	#else
	408	#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctim.tv_nsec))
	409	#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec))
	410	#endif
	411	#endif
	412
413	#endif