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perf tools: Make target to generate self contained source tarball
[deliverable/linux.git] / tools / perf / util / util.h
CommitLineData
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"
46e3e055 84#include <sys/ttydefaults.h>
1fe2c106 85
07800601
IM		 86#ifndef NO_ICONV
87#include <iconv.h>
88#endif
89
2890284b
ACM		 90extern const char *graph_line;
91extern 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 */
138extern void usage(const char *err) NORETURN;
139extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
140extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
141extern 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		 152extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
153
154extern int prefixcmp(const char *str, const char *prefix);
07800601
IM		 155
156static inline const char *skip_prefix(const char *str, const char *prefix)
157{
158 size_t len = strlen(prefix);
159 return strncmp(str, prefix, len) ? NULL : str + len;
160}
161
07800601
IM		 162#ifdef __GLIBC_PREREQ
163#if __GLIBC_PREREQ(2, 1)
164#define HAVE_STRCHRNUL
165#endif
166#endif
167
168#ifndef HAVE_STRCHRNUL
169#define strchrnul gitstrchrnul
170static inline char *gitstrchrnul(const char *s, int c)
171{
172 while (*s && *s != c)
173 s++;
174 return (char *)s;
175}
176#endif
177
6f06ccbc
IM		 178/*
179 * Wrappers:
180 */
181extern char *xstrdup(const char *str);
727dad10 182extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
16f762a2 183
a1d37d52 184
36479484
ACM		 185static inline void *zalloc(size_t size)
186{
187 return calloc(1, size);
188}
189
07800601
IM		 190static inline int has_extension(const char *filename, const char *ext)
191{
192 size_t len = strlen(filename);
193 size_t extlen = strlen(ext);
a1d37d52 194
07800601
IM		 195 return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
196}
197
198/* Sane ctype - no locale, and works with signed chars */
199#undef isascii
200#undef isspace
201#undef isdigit
9e827dd0 202#undef isxdigit
07800601 203#undef isalpha
5f9c39dc 204#undef isprint
07800601
IM		 205#undef isalnum
206#undef tolower
207#undef toupper
a1d37d52 208
07800601 209extern unsigned char sane_ctype[256];
a73c7d84
PZ		 210#define GIT_SPACE 0x01
211#define GIT_DIGIT 0x02
212#define GIT_ALPHA 0x04
213#define GIT_GLOB_SPECIAL 0x08
214#define GIT_REGEX_SPECIAL 0x10
215#define GIT_PRINT_EXTRA 0x20
216#define GIT_PRINT 0x3E
07800601
IM		 217#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
218#define isascii(x) (((x) & ~0x7f) == 0)
219#define isspace(x) sane_istest(x,GIT_SPACE)
220#define isdigit(x) sane_istest(x,GIT_DIGIT)
9e827dd0
FW		 221#define isxdigit(x) \
222 (sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
07800601
IM		 223#define isalpha(x) sane_istest(x,GIT_ALPHA)
224#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
a73c7d84 225#define isprint(x) sane_istest(x,GIT_PRINT)
07800601
IM		 226#define tolower(x) sane_case((unsigned char)(x), 0x20)
227#define toupper(x) sane_case((unsigned char)(x), 0)
228
229static inline int sane_case(int x, int high)
230{
231 if (sane_istest(x, GIT_ALPHA))
232 x = (x & ~0x20) | high;
233 return x;
234}
235
07800601
IM		 236#ifndef DIR_HAS_BSD_GROUP_SEMANTICS
237# define FORCE_DIR_SET_GID S_ISGID
238#else
239# define FORCE_DIR_SET_GID 0
240#endif
241
242#ifdef NO_NSEC
243#undef USE_NSEC
244#define ST_CTIME_NSEC(st) 0
245#define ST_MTIME_NSEC(st) 0
246#else
247#ifdef USE_ST_TIMESPEC
248#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctimespec.tv_nsec))
249#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtimespec.tv_nsec))
250#else
251#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctim.tv_nsec))
252#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec))
253#endif
254#endif
255
4cf40131
ACM		 256int mkdir_p(char *path, mode_t mode);
257int copyfile(const char *from, const char *to);
258
e206d556
ACM		 259s64 perf_atoll(const char *str);
260char **argv_split(const char *str, int *argcp);
261void argv_free(char **argv);
262bool strglobmatch(const char *str, const char *pat);
263bool strlazymatch(const char *str, const char *pat);
c82ee828 264unsigned long convert_unit(unsigned long value, char *unit);
e206d556 265
46e3e055
ACM		 266#ifndef ESC
267#define ESC 27
268#endif
269
270static inline bool is_exit_key(int key)
271{
272 char up;
273 if (key == CTRL('c') || key == ESC)
274 return true;
275 up = toupper(key);
276 return up == 'Q';
277}
278
e206d556
ACM		 279#define _STR(x) #x
280#define STR(x) _STR(x)
281
07800601 282#endif
Linux kernel - Deliverables
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