[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)

#if !defined(__APPLE__) && !defined(__FreeBSD__)  && !defined(__USLC__) && !defined(_M_UNIX)
#define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
#define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
#endif
#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

/* 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)));

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 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 isalpha
#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 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
	42	#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && !defined(_M_UNIX)
	43	#define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
	44	#define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
	45	#endif
	46	#define _ALL_SOURCE 1
	47	#define _GNU_SOURCE 1
	48	#define _BSD_SOURCE 1
	49
	50	#include <unistd.h>
	51	#include <stdio.h>
	52	#include <sys/stat.h>
f6bdafef	53	#include <sys/statfs.h>
07800601 IM	54	#include <fcntl.h>
	55	#include <stddef.h>
	56	#include <stdlib.h>
	57	#include <stdarg.h>
	58	#include <string.h>
	59	#include <errno.h>
	60	#include <limits.h>
	61	#include <sys/param.h>
	62	#include <sys/types.h>
	63	#include <dirent.h>
	64	#include <sys/time.h>
	65	#include <time.h>
	66	#include <signal.h>
	67	#include <fnmatch.h>
	68	#include <assert.h>
	69	#include <regex.h>
	70	#include <utime.h>
07800601 IM	71	#include <sys/wait.h>
	72	#include <sys/poll.h>
	73	#include <sys/socket.h>
	74	#include <sys/ioctl.h>
	75	#ifndef NO_SYS_SELECT_H
	76	#include <sys/select.h>
	77	#endif
	78	#include <netinet/in.h>
	79	#include <netinet/tcp.h>
	80	#include <arpa/inet.h>
	81	#include <netdb.h>
	82	#include <pwd.h>
	83	#include <inttypes.h>
f6bdafef	84	#include "../../../include/linux/magic.h"
07800601	85
1fe2c106	86
07800601 IM	87	#ifndef NO_ICONV
	88	#include <iconv.h>
	89	#endif
	90
07800601 IM	91	/* On most systems <limits.h> would have given us this, but
	92	* not on some systems (e.g. GNU/Hurd).
	93	*/
	94	#ifndef PATH_MAX
	95	#define PATH_MAX 4096
	96	#endif
	97
	98	#ifndef PRIuMAX
	99	#define PRIuMAX "llu"
	100	#endif
	101
	102	#ifndef PRIu32
	103	#define PRIu32 "u"
	104	#endif
	105
	106	#ifndef PRIx32
	107	#define PRIx32 "x"
	108	#endif
	109
	110	#ifndef PATH_SEP
	111	#define PATH_SEP ':'
	112	#endif
	113
	114	#ifndef STRIP_EXTENSION
	115	#define STRIP_EXTENSION ""
	116	#endif
	117
	118	#ifndef has_dos_drive_prefix
	119	#define has_dos_drive_prefix(path) 0
	120	#endif
	121
	122	#ifndef is_dir_sep
	123	#define is_dir_sep(c) ((c) == '/')
	124	#endif
	125
	126	#ifdef __GNUC__
	127	#define NORETURN __attribute__((__noreturn__))
	128	#else
	129	#define NORETURN
	130	#ifndef __attribute__
	131	#define __attribute__(x)
	132	#endif
	133	#endif
	134
	135	/* General helper functions */
	136	extern void usage(const char *err) NORETURN;
	137	extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
	138	extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
	139	extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
	140
	141	extern void set_die_routine(void (routine)(const char err, va_list params) NORETURN);
	142
	143	extern int prefixcmp(const char str, const char prefix);
	144	extern time_t tm_to_time_t(const struct tm *tm);
	145
	146	static inline const char skip_prefix(const char str, const char *prefix)
	147	{
	148	size_t len = strlen(prefix);
	149	return strncmp(str, prefix, len) ? NULL : str + len;
	150	}
	151
	152	#if defined(NO_MMAP) \|\| defined(USE_WIN32_MMAP)
	153
	154	#ifndef PROT_READ
155	#define PROT_READ 1
156	#define PROT_WRITE 2
157	#define MAP_PRIVATE 1
158	#define MAP_FAILED ((void*)-1)
159	#endif
160
161	#define mmap git_mmap
162	#define munmap git_munmap
163	extern void git_mmap(void start, size_t length, int prot, int flags, int fd, off_t offset);
164	extern int git_munmap(void *start, size_t length);
165
166	#else /* NO_MMAP \|\| USE_WIN32_MMAP */
167
168	#include <sys/mman.h>
169
170	#endif /* NO_MMAP \|\| USE_WIN32_MMAP */
171
172	#ifdef NO_MMAP
173
174	/* This value must be multiple of (pagesize * 2) */
175	#define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024)
176
177	#else /* NO_MMAP */
178
179	/* This value must be multiple of (pagesize * 2) */
180	#define DEFAULT_PACKED_GIT_WINDOW_SIZE \
181	(sizeof(void*) >= 8 \
182	? 1 * 1024 * 1024 * 1024 \
183	: 32 * 1024 * 1024)
184
185	#endif /* NO_MMAP */
186
187	#ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
188	#define on_disk_bytes(st) ((st).st_size)
189	#else
190	#define on_disk_bytes(st) ((st).st_blocks * 512)
191	#endif
192
193	#define DEFAULT_PACKED_GIT_LIMIT \
194	((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
195
196	#ifdef NO_PREAD
197	#define pread git_pread
198	extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset);
199	#endif
200	/*
201	* Forward decl that will remind us if its twin in cache.h changes.
202	* This function is used in compat/pread.c. But we can't include
203	* cache.h there.
204	*/
205	extern ssize_t read_in_full(int fd, void *buf, size_t count);
206
207	#ifdef NO_SETENV
208	#define setenv gitsetenv
209	extern int gitsetenv(const char , const char , int);
210	#endif
211
212	#ifdef NO_MKDTEMP
213	#define mkdtemp gitmkdtemp
214	extern char gitmkdtemp(char );
215	#endif
216
217	#ifdef NO_UNSETENV
218	#define unsetenv gitunsetenv
219	extern void gitunsetenv(const char *);
220	#endif
221
222	#ifdef NO_STRCASESTR
223	#define strcasestr gitstrcasestr
224	extern char gitstrcasestr(const char haystack, const char *needle);
225	#endif
226
227	#ifdef NO_STRLCPY
228	#define strlcpy gitstrlcpy
229	extern size_t gitstrlcpy(char , const char , size_t);
230	#endif
231
232	#ifdef NO_STRTOUMAX
233	#define strtoumax gitstrtoumax
234	extern uintmax_t gitstrtoumax(const char , char *, int);
235	#endif
236
237	#ifdef NO_HSTRERROR
238	#define hstrerror githstrerror
239	extern const char *githstrerror(int herror);
240	#endif
241
242	#ifdef NO_MEMMEM
243	#define memmem gitmemmem
244	void gitmemmem(const void haystack, size_t haystacklen,
245	const void *needle, size_t needlelen);
246	#endif
247
248	#ifdef FREAD_READS_DIRECTORIES
249	#ifdef fopen
250	#undef fopen
251	#endif
252	#define fopen(a,b) git_fopen(a,b)
253	extern FILE git_fopen(const char, const char*);
254	#endif
255
256	#ifdef SNPRINTF_RETURNS_BOGUS
257	#define snprintf git_snprintf
258	extern int git_snprintf(char *str, size_t maxsize,
259	const char *format, ...);
260	#define vsnprintf git_vsnprintf
261	extern int git_vsnprintf(char *str, size_t maxsize,
262	const char *format, va_list ap);
263	#endif
264
265	#ifdef __GLIBC_PREREQ
266	#if __GLIBC_PREREQ(2, 1)
267	#define HAVE_STRCHRNUL
268	#endif
269	#endif
270
271	#ifndef HAVE_STRCHRNUL
272	#define strchrnul gitstrchrnul
273	static inline char gitstrchrnul(const char s, int c)
274	{
275	while (s && s != c)
276	s++;
277	return (char *)s;
278	}
279	#endif
280
6f06ccbc IM	281	/*
	282	* Wrappers:
	283	*/
	284	extern char xstrdup(const char str);
	285	extern void *xmalloc(size_t size);
	286	extern void xmemdupz(const void data, size_t len);
	287	extern char xstrndup(const char str, size_t len);
	288	extern void xrealloc(void ptr, size_t size);
	289	extern void *xcalloc(size_t nmemb, size_t size);
	290	extern void xmmap(void start, size_t length, int prot, int flags, int fd, off_t offset);
	291	extern ssize_t xread(int fd, void *buf, size_t len);
	292	extern ssize_t xwrite(int fd, const void *buf, size_t len);
	293	extern int xdup(int fd);
	294	extern FILE xfdopen(int fd, const char mode);
16f762a2 IM	295	extern int xmkstemp(char *template);
16f762a2 IM	296
07800601 IM	297	static inline size_t xsize_t(off_t len)
	298	{
	299	return (size_t)len;
	300	}
	301
	302	static inline int has_extension(const char filename, const char ext)
	303	{
	304	size_t len = strlen(filename);
	305	size_t extlen = strlen(ext);
	306	return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
	307	}
	308
	309	/* Sane ctype - no locale, and works with signed chars */
	310	#undef isascii
	311	#undef isspace
	312	#undef isdigit
	313	#undef isalpha
	314	#undef isalnum
	315	#undef tolower
	316	#undef toupper
	317	extern unsigned char sane_ctype[256];
a73c7d84 PZ	318	#define GIT_SPACE 0x01
	319	#define GIT_DIGIT 0x02
	320	#define GIT_ALPHA 0x04
	321	#define GIT_GLOB_SPECIAL 0x08
	322	#define GIT_REGEX_SPECIAL 0x10
	323	#define GIT_PRINT_EXTRA 0x20
	324	#define GIT_PRINT 0x3E
07800601 IM	325	#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
	326	#define isascii(x) (((x) & ~0x7f) == 0)
	327	#define isspace(x) sane_istest(x,GIT_SPACE)
	328	#define isdigit(x) sane_istest(x,GIT_DIGIT)
	329	#define isalpha(x) sane_istest(x,GIT_ALPHA)
	330	#define isalnum(x) sane_istest(x,GIT_ALPHA \| GIT_DIGIT)
a73c7d84	331	#define isprint(x) sane_istest(x,GIT_PRINT)
07800601 IM	332	#define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL)
	333	#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL \| GIT_REGEX_SPECIAL)
	334	#define tolower(x) sane_case((unsigned char)(x), 0x20)
	335	#define toupper(x) sane_case((unsigned char)(x), 0)
	336
	337	static inline int sane_case(int x, int high)
	338	{
	339	if (sane_istest(x, GIT_ALPHA))
	340	x = (x & ~0x20) \| high;
	341	return x;
	342	}
	343
	344	static inline int strtoul_ui(char const s, int base, unsigned int result)
	345	{
	346	unsigned long ul;
	347	char *p;
	348
	349	errno = 0;
	350	ul = strtoul(s, &p, base);
	351	if (errno \|\| *p \|\| p == s \|\| (unsigned int) ul != ul)
	352	return -1;
	353	*result = ul;
	354	return 0;
	355	}
	356
	357	static inline int strtol_i(char const s, int base, int result)
	358	{
	359	long ul;
	360	char *p;
	361
	362	errno = 0;
	363	ul = strtol(s, &p, base);
	364	if (errno \|\| *p \|\| p == s \|\| (int) ul != ul)
	365	return -1;
	366	*result = ul;
	367	return 0;
	368	}
	369
	370	#ifdef INTERNAL_QSORT
	371	void git_qsort(void *base, size_t nmemb, size_t size,
	372	int(compar)(const void , const void *));
	373	#define qsort git_qsort
	374	#endif
	375
	376	#ifndef DIR_HAS_BSD_GROUP_SEMANTICS
	377	# define FORCE_DIR_SET_GID S_ISGID
	378	#else
	379	# define FORCE_DIR_SET_GID 0
	380	#endif
	381
	382	#ifdef NO_NSEC
	383	#undef USE_NSEC
	384	#define ST_CTIME_NSEC(st) 0
	385	#define ST_MTIME_NSEC(st) 0
	386	#else
	387	#ifdef USE_ST_TIMESPEC
	388	#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctimespec.tv_nsec))
	389	#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtimespec.tv_nsec))
	390	#else
	391	#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctim.tv_nsec))
	392	#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec))
	393	#endif
	394	#endif
	395
396	#endif