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#define _ALL_SOURCE 1
 43#define _GNU_SOURCE 1
 44#define _BSD_SOURCE 1
 45#define HAS_BOOL
 46
 47#include <unistd.h>
 48#include <stdio.h>
 49#include <sys/stat.h>
 50#include <sys/statfs.h>
 51#include <fcntl.h>
 52#include <stdbool.h>
 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>
 69#include <sys/wait.h>
 70#include <sys/poll.h>
 71#include <sys/socket.h>
 72#include <sys/ioctl.h>
 73#include <sys/select.h>
 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>
 80#include "../../../include/linux/magic.h"
 81#include "types.h"
 82#include <sys/ttydefaults.h>
 83
 84extern const char *graph_line;
 85extern const char *graph_dotted_line;
 86extern char buildid_dir[];
 87
 88/* On most systems <limits.h> would have given us this, but
 89 * not on some systems (e.g. GNU/Hurd).
 90 */
 91#ifndef PATH_MAX
 92#define PATH_MAX 4096
 93#endif
 94
 95#ifndef PRIuMAX
 96#define PRIuMAX "llu"
 97#endif
 98
 99#ifndef PRIu32
100#define PRIu32 "u"
101#endif
102
103#ifndef PRIx32
104#define PRIx32 "x"
105#endif
106
107#ifndef PATH_SEP
108#define PATH_SEP ':'
109#endif
110
111#ifndef STRIP_EXTENSION
112#define STRIP_EXTENSION ""
113#endif
114
115#ifndef has_dos_drive_prefix
116#define has_dos_drive_prefix(path) 0
117#endif
118
119#ifndef is_dir_sep
120#define is_dir_sep(c) ((c) == '/')
121#endif
122
123#ifdef __GNUC__
124#define NORETURN __attribute__((__noreturn__))
125#else
126#define NORETURN
127#ifndef __attribute__
128#define __attribute__(x)
129#endif
130#endif
131
132/* General helper functions */
133extern void usage(const char *err) NORETURN;
134extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
135extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
136extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
137
138#include "../../../include/linux/stringify.h"
139
140#define DIE_IF(cnd)	\
141	do { if (cnd)	\
142		die(" at (" __FILE__ ":" __stringify(__LINE__) "): "	\
143		    __stringify(cnd) "\n");				\
144	} while (0)
145
146
147extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
148
149extern int prefixcmp(const char *str, const char *prefix);
150extern void set_buildid_dir(void);
151extern void disable_buildid_cache(void);
152
153static inline const char *skip_prefix(const char *str, const char *prefix)
154{
155	size_t len = strlen(prefix);
156	return strncmp(str, prefix, len) ? NULL : str + len;
157}
158
159#ifdef __GLIBC_PREREQ
160#if __GLIBC_PREREQ(2, 1)
161#define HAVE_STRCHRNUL
162#endif
163#endif
164
165#ifndef HAVE_STRCHRNUL
166#define strchrnul gitstrchrnul
167static inline char *gitstrchrnul(const char *s, int c)
168{
169	while (*s && *s != c)
170		s++;
171	return (char *)s;
172}
173#endif
174
175/*
176 * Wrappers:
177 */
178extern char *xstrdup(const char *str);
179extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
180
181
182static inline void *zalloc(size_t size)
183{
184	return calloc(1, size);
185}
186
187static inline int has_extension(const char *filename, const char *ext)
188{
189	size_t len = strlen(filename);
190	size_t extlen = strlen(ext);
191
192	return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
193}
194
195/* Sane ctype - no locale, and works with signed chars */
196#undef isascii
197#undef isspace
198#undef isdigit
199#undef isxdigit
200#undef isalpha
201#undef isprint
202#undef isalnum
 
 
203#undef tolower
204#undef toupper
205
206extern unsigned char sane_ctype[256];
207#define GIT_SPACE		0x01
208#define GIT_DIGIT		0x02
209#define GIT_ALPHA		0x04
210#define GIT_GLOB_SPECIAL	0x08
211#define GIT_REGEX_SPECIAL	0x10
212#define GIT_PRINT_EXTRA		0x20
213#define GIT_PRINT		0x3E
214#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
215#define isascii(x) (((x) & ~0x7f) == 0)
216#define isspace(x) sane_istest(x,GIT_SPACE)
217#define isdigit(x) sane_istest(x,GIT_DIGIT)
218#define isxdigit(x)	\
219	(sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
220#define isalpha(x) sane_istest(x,GIT_ALPHA)
221#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
222#define isprint(x) sane_istest(x,GIT_PRINT)
 
 
223#define tolower(x) sane_case((unsigned char)(x), 0x20)
224#define toupper(x) sane_case((unsigned char)(x), 0)
225
226static inline int sane_case(int x, int high)
227{
228	if (sane_istest(x, GIT_ALPHA))
229		x = (x & ~0x20) | high;
230	return x;
231}
232
233int mkdir_p(char *path, mode_t mode);
234int copyfile(const char *from, const char *to);
235
236s64 perf_atoll(const char *str);
237char **argv_split(const char *str, int *argcp);
238void argv_free(char **argv);
239bool strglobmatch(const char *str, const char *pat);
240bool strlazymatch(const char *str, const char *pat);
241int strtailcmp(const char *s1, const char *s2);
242unsigned long convert_unit(unsigned long value, char *unit);
243int readn(int fd, void *buf, size_t size);
244
 
 
 
 
245#define _STR(x) #x
246#define STR(x) _STR(x)
 
 
 
 
 
 
 
 
 
 
 
 
 
247
248#endif

  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#define _ALL_SOURCE 1
 
 43#define _BSD_SOURCE 1
 44#define HAS_BOOL
 45
 46#include <unistd.h>
 47#include <stdio.h>
 48#include <sys/stat.h>
 49#include <sys/statfs.h>
 50#include <fcntl.h>
 51#include <stdbool.h>
 52#include <stddef.h>
 53#include <stdlib.h>
 54#include <stdarg.h>
 55#include <string.h>
 56#include <errno.h>
 57#include <limits.h>
 58#include <sys/param.h>
 59#include <sys/types.h>
 60#include <dirent.h>
 61#include <sys/time.h>
 62#include <time.h>
 63#include <signal.h>
 64#include <fnmatch.h>
 65#include <assert.h>
 66#include <regex.h>
 67#include <utime.h>
 68#include <sys/wait.h>
 69#include <sys/poll.h>
 70#include <sys/socket.h>
 71#include <sys/ioctl.h>
 72#include <sys/select.h>
 73#include <netinet/in.h>
 74#include <netinet/tcp.h>
 75#include <arpa/inet.h>
 76#include <netdb.h>
 
 77#include <inttypes.h>
 78#include "../../../include/linux/magic.h"
 79#include "types.h"
 80#include <sys/ttydefaults.h>
 81
 82extern const char *graph_line;
 83extern const char *graph_dotted_line;
 84extern char buildid_dir[];
 85
 86/* On most systems <limits.h> would have given us this, but
 87 * not on some systems (e.g. GNU/Hurd).
 88 */
 89#ifndef PATH_MAX
 90#define PATH_MAX 4096
 91#endif
 92
 93#ifndef PRIuMAX
 94#define PRIuMAX "llu"
 95#endif
 96
 97#ifndef PRIu32
 98#define PRIu32 "u"
 99#endif
100
101#ifndef PRIx32
102#define PRIx32 "x"
103#endif
104
105#ifndef PATH_SEP
106#define PATH_SEP ':'
107#endif
108
109#ifndef STRIP_EXTENSION
110#define STRIP_EXTENSION ""
111#endif
112
113#ifndef has_dos_drive_prefix
114#define has_dos_drive_prefix(path) 0
115#endif
116
117#ifndef is_dir_sep
118#define is_dir_sep(c) ((c) == '/')
119#endif
120
121#ifdef __GNUC__
122#define NORETURN __attribute__((__noreturn__))
123#else
124#define NORETURN
125#ifndef __attribute__
126#define __attribute__(x)
127#endif
128#endif
129
130/* General helper functions */
131extern void usage(const char *err) NORETURN;
132extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
133extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
134extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
135
136#include "../../../include/linux/stringify.h"
137
138#define DIE_IF(cnd)	\
139	do { if (cnd)	\
140		die(" at (" __FILE__ ":" __stringify(__LINE__) "): "	\
141		    __stringify(cnd) "\n");				\
142	} while (0)
143
144
145extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
146
147extern int prefixcmp(const char *str, const char *prefix);
148extern void set_buildid_dir(void);
149extern void disable_buildid_cache(void);
150
151static inline const char *skip_prefix(const char *str, const char *prefix)
152{
153	size_t len = strlen(prefix);
154	return strncmp(str, prefix, len) ? NULL : str + len;
155}
156
157#ifdef __GLIBC_PREREQ
158#if __GLIBC_PREREQ(2, 1)
159#define HAVE_STRCHRNUL
160#endif
161#endif
162
163#ifndef HAVE_STRCHRNUL
164#define strchrnul gitstrchrnul
165static inline char *gitstrchrnul(const char *s, int c)
166{
167	while (*s && *s != c)
168		s++;
169	return (char *)s;
170}
171#endif
172
173/*
174 * Wrappers:
175 */
176extern char *xstrdup(const char *str);
177extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
178
179
180static inline void *zalloc(size_t size)
181{
182	return calloc(1, size);
183}
184
185static inline int has_extension(const char *filename, const char *ext)
186{
187	size_t len = strlen(filename);
188	size_t extlen = strlen(ext);
189
190	return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
191}
192
193/* Sane ctype - no locale, and works with signed chars */
194#undef isascii
195#undef isspace
196#undef isdigit
197#undef isxdigit
198#undef isalpha
199#undef isprint
200#undef isalnum
201#undef islower
202#undef isupper
203#undef tolower
204#undef toupper
205
206extern unsigned char sane_ctype[256];
207#define GIT_SPACE		0x01
208#define GIT_DIGIT		0x02
209#define GIT_ALPHA		0x04
210#define GIT_GLOB_SPECIAL	0x08
211#define GIT_REGEX_SPECIAL	0x10
212#define GIT_PRINT_EXTRA		0x20
213#define GIT_PRINT		0x3E
214#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
215#define isascii(x) (((x) & ~0x7f) == 0)
216#define isspace(x) sane_istest(x,GIT_SPACE)
217#define isdigit(x) sane_istest(x,GIT_DIGIT)
218#define isxdigit(x)	\
219	(sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
220#define isalpha(x) sane_istest(x,GIT_ALPHA)
221#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
222#define isprint(x) sane_istest(x,GIT_PRINT)
223#define islower(x) (sane_istest(x,GIT_ALPHA) && sane_istest(x,0x20))
224#define isupper(x) (sane_istest(x,GIT_ALPHA) && !sane_istest(x,0x20))
225#define tolower(x) sane_case((unsigned char)(x), 0x20)
226#define toupper(x) sane_case((unsigned char)(x), 0)
227
228static inline int sane_case(int x, int high)
229{
230	if (sane_istest(x, GIT_ALPHA))
231		x = (x & ~0x20) | high;
232	return x;
233}
234
235int mkdir_p(char *path, mode_t mode);
236int copyfile(const char *from, const char *to);
237
238s64 perf_atoll(const char *str);
239char **argv_split(const char *str, int *argcp);
240void argv_free(char **argv);
241bool strglobmatch(const char *str, const char *pat);
242bool strlazymatch(const char *str, const char *pat);
243int strtailcmp(const char *s1, const char *s2);
244unsigned long convert_unit(unsigned long value, char *unit);
245int readn(int fd, void *buf, size_t size);
246
247struct perf_event_attr;
248
249void event_attr_init(struct perf_event_attr *attr);
250
251#define _STR(x) #x
252#define STR(x) _STR(x)
253
254/*
255 *  Determine whether some value is a power of two, where zero is
256 * *not* considered a power of two.
257 */
258
259static inline __attribute__((const))
260bool is_power_of_2(unsigned long n)
261{
262	return (n != 0 && ((n & (n - 1)) == 0));
263}
264
265size_t hex_width(u64 v);
266
267#endif