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Commit | Line | Data |
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4050c0df JH |
1 | #ifndef GIT_COMPAT_UTIL_H |
2 | #define GIT_COMPAT_UTIL_H | |
3 | ||
b97e9116 MW |
4 | #define _FILE_OFFSET_BITS 64 |
5 | ||
8f1d2e6f | 6 | #ifndef FLEX_ARRAY |
8e973991 JH |
7 | /* |
8 | * See if our compiler is known to support flexible array members. | |
9 | */ | |
203ee91f | 10 | #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && (!defined(__SUNPRO_C) || (__SUNPRO_C > 0x580)) |
8e973991 JH |
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 | |
8f1d2e6f JH |
25 | #endif |
26 | #endif | |
27 | ||
b4f2a6ac | 28 | #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) |
f630cfda | 29 | #define bitsizeof(x) (CHAR_BIT * sizeof(x)) |
b4f2a6ac | 30 | |
c03c8315 EFL |
31 | #define maximum_signed_value_of_type(a) \ |
32 | (INTMAX_MAX >> (bitsizeof(intmax_t) - bitsizeof(a))) | |
33 | ||
1368f650 JN |
34 | #define maximum_unsigned_value_of_type(a) \ |
35 | (UINTMAX_MAX >> (bitsizeof(uintmax_t) - bitsizeof(a))) | |
36 | ||
c03c8315 EFL |
37 | /* |
38 | * Signed integer overflow is undefined in C, so here's a helper macro | |
39 | * to detect if the sum of two integers will overflow. | |
40 | * | |
41 | * Requires: a >= 0, typeof(a) equals typeof(b) | |
42 | */ | |
43 | #define signed_add_overflows(a, b) \ | |
44 | ((b) > maximum_signed_value_of_type(a) - (a)) | |
45 | ||
1368f650 JN |
46 | #define unsigned_add_overflows(a, b) \ |
47 | ((b) > maximum_unsigned_value_of_type(a) - (a)) | |
48 | ||
8723f216 NP |
49 | #ifdef __GNUC__ |
50 | #define TYPEOF(x) (__typeof__(x)) | |
51 | #else | |
52 | #define TYPEOF(x) | |
53 | #endif | |
54 | ||
f630cfda | 55 | #define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (bitsizeof(x) - (bits)))) |
db7244bd | 56 | #define HAS_MULTI_BITS(i) ((i) & ((i) - 1)) /* checks if an integer has more than 1 bit set */ |
8723f216 | 57 | |
98cb6f30 PH |
58 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) |
59 | ||
cf606e3d AW |
60 | /* Approximation of the length of the decimal representation of this type. */ |
61 | #define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1) | |
62 | ||
4cb18a49 BC |
63 | #if defined(__sun__) |
64 | /* | |
65 | * On Solaris, when _XOPEN_EXTENDED is set, its header file | |
66 | * forces the programs to be XPG4v2, defeating any _XOPEN_SOURCE | |
67 | * setting to say we are XPG5 or XPG6. Also on Solaris, | |
68 | * XPG6 programs must be compiled with a c99 compiler, while | |
69 | * non XPG6 programs must be compiled with a pre-c99 compiler. | |
70 | */ | |
71 | # if __STDC_VERSION__ - 0 >= 199901L | |
72 | # define _XOPEN_SOURCE 600 | |
73 | # else | |
74 | # define _XOPEN_SOURCE 500 | |
75 | # endif | |
6555b196 | 76 | #elif !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && \ |
761a889a | 77 | !defined(_M_UNIX) && !defined(__sgi) && !defined(__DragonFly__) |
85023577 JH |
78 | #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */ |
79 | #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */ | |
c902c9a6 | 80 | #endif |
fb952206 JR |
81 | #define _ALL_SOURCE 1 |
82 | #define _GNU_SOURCE 1 | |
83 | #define _BSD_SOURCE 1 | |
9a695fbf | 84 | #define _NETBSD_SOURCE 1 |
9398b859 | 85 | #define _SGI_SOURCE 1 |
85023577 | 86 | |
435bdf8c MSO |
87 | #ifdef WIN32 /* Both MinGW and MSVC */ |
88 | #define WIN32_LEAN_AND_MEAN /* stops windows.h including winsock.h */ | |
89 | #include <winsock2.h> | |
90 | #include <windows.h> | |
91 | #endif | |
92 | ||
4050c0df JH |
93 | #include <unistd.h> |
94 | #include <stdio.h> | |
95 | #include <sys/stat.h> | |
96 | #include <fcntl.h> | |
97 | #include <stddef.h> | |
98 | #include <stdlib.h> | |
99 | #include <stdarg.h> | |
100 | #include <string.h> | |
101 | #include <errno.h> | |
102 | #include <limits.h> | |
103 | #include <sys/param.h> | |
4050c0df JH |
104 | #include <sys/types.h> |
105 | #include <dirent.h> | |
85023577 JH |
106 | #include <sys/time.h> |
107 | #include <time.h> | |
108 | #include <signal.h> | |
85023577 | 109 | #include <fnmatch.h> |
f4626df5 JS |
110 | #include <assert.h> |
111 | #include <regex.h> | |
112 | #include <utime.h> | |
088d8802 | 113 | #include <syslog.h> |
2844923d | 114 | #ifndef NO_SYS_POLL_H |
fdc12114 | 115 | #include <sys/poll.h> |
2844923d MD |
116 | #else |
117 | #include <poll.h> | |
118 | #endif | |
cfc755d3 VR |
119 | #if defined(__MINGW32__) |
120 | /* pull in Windows compatibility stuff */ | |
121 | #include "compat/mingw.h" | |
122 | #elif defined(_MSC_VER) | |
123 | #include "compat/msvc.h" | |
124 | #else | |
f4626df5 | 125 | #include <sys/wait.h> |
ebae9ff9 | 126 | #include <sys/resource.h> |
85023577 | 127 | #include <sys/socket.h> |
80bbe72b | 128 | #include <sys/ioctl.h> |
eb80042c | 129 | #include <termios.h> |
2600973f | 130 | #ifndef NO_SYS_SELECT_H |
80bbe72b | 131 | #include <sys/select.h> |
2600973f | 132 | #endif |
85023577 JH |
133 | #include <netinet/in.h> |
134 | #include <netinet/tcp.h> | |
135 | #include <arpa/inet.h> | |
136 | #include <netdb.h> | |
137 | #include <pwd.h> | |
e2770979 | 138 | #include <sys/un.h> |
2844923d | 139 | #ifndef NO_INTTYPES_H |
007e2ba6 | 140 | #include <inttypes.h> |
2844923d MD |
141 | #else |
142 | #include <stdint.h> | |
143 | #endif | |
41b20017 RJ |
144 | #if defined(__CYGWIN__) |
145 | #undef _XOPEN_SOURCE | |
146 | #include <grp.h> | |
147 | #define _XOPEN_SOURCE 600 | |
adbc0b6b | 148 | #include "compat/cygwin.h" |
41b20017 | 149 | #else |
fb952206 | 150 | #undef _ALL_SOURCE /* AIX 5.3L defines a struct list with _ALL_SOURCE. */ |
85023577 | 151 | #include <grp.h> |
fb952206 | 152 | #define _ALL_SOURCE 1 |
41b20017 | 153 | #endif |
d75f8e61 | 154 | #endif |
85023577 | 155 | |
e1c06886 DA |
156 | #ifndef NO_LIBGEN_H |
157 | #include <libgen.h> | |
158 | #else | |
159 | #define basename gitbasename | |
160 | extern char *gitbasename(char *); | |
161 | #endif | |
162 | ||
85023577 JH |
163 | #ifndef NO_ICONV |
164 | #include <iconv.h> | |
165 | #endif | |
4050c0df | 166 | |
684ec6c6 RS |
167 | #ifndef NO_OPENSSL |
168 | #include <openssl/ssl.h> | |
169 | #include <openssl/err.h> | |
170 | #endif | |
171 | ||
d0c2449f JH |
172 | /* On most systems <limits.h> would have given us this, but |
173 | * not on some systems (e.g. GNU/Hurd). | |
174 | */ | |
175 | #ifndef PATH_MAX | |
176 | #define PATH_MAX 4096 | |
177 | #endif | |
178 | ||
c4001d92 SP |
179 | #ifndef PRIuMAX |
180 | #define PRIuMAX "llu" | |
181 | #endif | |
182 | ||
607bb3ff JS |
183 | #ifndef PRIu32 |
184 | #define PRIu32 "u" | |
185 | #endif | |
186 | ||
187 | #ifndef PRIx32 | |
188 | #define PRIx32 "x" | |
189 | #endif | |
190 | ||
5418d96d RJ |
191 | #ifndef PRIo32 |
192 | #define PRIo32 "o" | |
193 | #endif | |
194 | ||
80ba074f JS |
195 | #ifndef PATH_SEP |
196 | #define PATH_SEP ':' | |
197 | #endif | |
198 | ||
cb6a22c0 CW |
199 | #ifdef HAVE_PATHS_H |
200 | #include <paths.h> | |
201 | #endif | |
202 | #ifndef _PATH_DEFPATH | |
203 | #define _PATH_DEFPATH "/usr/local/bin:/usr/bin:/bin" | |
204 | #endif | |
205 | ||
23326d14 JS |
206 | #ifndef STRIP_EXTENSION |
207 | #define STRIP_EXTENSION "" | |
208 | #endif | |
209 | ||
25fe217b JS |
210 | #ifndef has_dos_drive_prefix |
211 | #define has_dos_drive_prefix(path) 0 | |
212 | #endif | |
213 | ||
214 | #ifndef is_dir_sep | |
215 | #define is_dir_sep(c) ((c) == '/') | |
216 | #endif | |
217 | ||
d1c69255 TN |
218 | #ifndef find_last_dir_sep |
219 | #define find_last_dir_sep(path) strrchr(path, '/') | |
220 | #endif | |
221 | ||
e4ac953b | 222 | #if defined(__HP_cc) && (__HP_cc >= 61000) |
b6ab349b MR |
223 | #define NORETURN __attribute__((noreturn)) |
224 | #define NORETURN_PTR | |
6520c846 | 225 | #elif defined(__GNUC__) && !defined(NO_NORETURN) |
4050c0df | 226 | #define NORETURN __attribute__((__noreturn__)) |
18660bc9 | 227 | #define NORETURN_PTR __attribute__((__noreturn__)) |
aba7dea8 RJ |
228 | #elif defined(_MSC_VER) |
229 | #define NORETURN __declspec(noreturn) | |
230 | #define NORETURN_PTR | |
4050c0df JH |
231 | #else |
232 | #define NORETURN | |
18660bc9 | 233 | #define NORETURN_PTR |
4050c0df JH |
234 | #ifndef __attribute__ |
235 | #define __attribute__(x) | |
236 | #endif | |
237 | #endif | |
238 | ||
51ea5519 NP |
239 | #include "compat/bswap.h" |
240 | ||
4050c0df | 241 | /* General helper functions */ |
ebaa79f4 | 242 | extern void vreportf(const char *prefix, const char *err, va_list params); |
3bc4181f | 243 | extern void vwritef(int fd, const char *prefix, const char *err, va_list params); |
a4f3131c | 244 | extern NORETURN void usage(const char *err); |
64b1cb74 | 245 | extern NORETURN void usagef(const char *err, ...) __attribute__((format (printf, 1, 2))); |
a4f3131c EFL |
246 | extern NORETURN void die(const char *err, ...) __attribute__((format (printf, 1, 2))); |
247 | extern NORETURN void die_errno(const char *err, ...) __attribute__((format (printf, 1, 2))); | |
4050c0df | 248 | extern int error(const char *err, ...) __attribute__((format (printf, 1, 2))); |
46efd2d9 | 249 | extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2))); |
4050c0df | 250 | |
18660bc9 | 251 | extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params)); |
3bc4181f | 252 | extern void set_error_routine(void (*routine)(const char *err, va_list params)); |
39a3f5ea | 253 | |
698a68be | 254 | extern int prefixcmp(const char *str, const char *prefix); |
8cc5b290 | 255 | extern int suffixcmp(const char *str, const char *suffix); |
698a68be | 256 | |
fbca5837 MV |
257 | static inline const char *skip_prefix(const char *str, const char *prefix) |
258 | { | |
259 | size_t len = strlen(prefix); | |
260 | return strncmp(str, prefix, len) ? NULL : str + len; | |
261 | } | |
262 | ||
b130a72b | 263 | #if defined(NO_MMAP) || defined(USE_WIN32_MMAP) |
4050c0df JH |
264 | |
265 | #ifndef PROT_READ | |
266 | #define PROT_READ 1 | |
267 | #define PROT_WRITE 2 | |
268 | #define MAP_PRIVATE 1 | |
4050c0df JH |
269 | #endif |
270 | ||
d6779124 SP |
271 | #define mmap git_mmap |
272 | #define munmap git_munmap | |
273 | extern void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset); | |
274 | extern int git_munmap(void *start, size_t length); | |
4050c0df | 275 | |
b130a72b JL |
276 | #else /* NO_MMAP || USE_WIN32_MMAP */ |
277 | ||
278 | #include <sys/mman.h> | |
279 | ||
280 | #endif /* NO_MMAP || USE_WIN32_MMAP */ | |
281 | ||
282 | #ifdef NO_MMAP | |
283 | ||
5faaf246 | 284 | /* This value must be multiple of (pagesize * 2) */ |
8c82534d SP |
285 | #define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024) |
286 | ||
4050c0df JH |
287 | #else /* NO_MMAP */ |
288 | ||
5faaf246 | 289 | /* This value must be multiple of (pagesize * 2) */ |
22bac0ea SP |
290 | #define DEFAULT_PACKED_GIT_WINDOW_SIZE \ |
291 | (sizeof(void*) >= 8 \ | |
292 | ? 1 * 1024 * 1024 * 1024 \ | |
293 | : 32 * 1024 * 1024) | |
4050c0df JH |
294 | |
295 | #endif /* NO_MMAP */ | |
296 | ||
fcf3a21a GV |
297 | #ifndef MAP_FAILED |
298 | #define MAP_FAILED ((void *)-1) | |
299 | #endif | |
300 | ||
fdb2a2a6 JH |
301 | #ifdef NO_ST_BLOCKS_IN_STRUCT_STAT |
302 | #define on_disk_bytes(st) ((st).st_size) | |
303 | #else | |
304 | #define on_disk_bytes(st) ((st).st_blocks * 512) | |
305 | #endif | |
306 | ||
22bac0ea | 307 | #define DEFAULT_PACKED_GIT_LIMIT \ |
ecaebf4a | 308 | ((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256)) |
8c82534d | 309 | |
6900679c SH |
310 | #ifdef NO_PREAD |
311 | #define pread git_pread | |
312 | extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset); | |
313 | #endif | |
14086b0a SP |
314 | /* |
315 | * Forward decl that will remind us if its twin in cache.h changes. | |
316 | * This function is used in compat/pread.c. But we can't include | |
317 | * cache.h there. | |
318 | */ | |
319 | extern ssize_t read_in_full(int fd, void *buf, size_t count); | |
6900679c | 320 | |
4050c0df JH |
321 | #ifdef NO_SETENV |
322 | #define setenv gitsetenv | |
323 | extern int gitsetenv(const char *, const char *, int); | |
324 | #endif | |
325 | ||
ca5bb5d5 SP |
326 | #ifdef NO_MKDTEMP |
327 | #define mkdtemp gitmkdtemp | |
328 | extern char *gitmkdtemp(char *); | |
329 | #endif | |
330 | ||
0620b39b DA |
331 | #ifdef NO_MKSTEMPS |
332 | #define mkstemps gitmkstemps | |
333 | extern int gitmkstemps(char *, int); | |
334 | #endif | |
335 | ||
731043fd JR |
336 | #ifdef NO_UNSETENV |
337 | #define unsetenv gitunsetenv | |
338 | extern void gitunsetenv(const char *); | |
339 | #endif | |
340 | ||
4050c0df JH |
341 | #ifdef NO_STRCASESTR |
342 | #define strcasestr gitstrcasestr | |
343 | extern char *gitstrcasestr(const char *haystack, const char *needle); | |
344 | #endif | |
345 | ||
817151e6 PE |
346 | #ifdef NO_STRLCPY |
347 | #define strlcpy gitstrlcpy | |
348 | extern size_t gitstrlcpy(char *, const char *, size_t); | |
349 | #endif | |
350 | ||
bc6b4f52 JR |
351 | #ifdef NO_STRTOUMAX |
352 | #define strtoumax gitstrtoumax | |
353 | extern uintmax_t gitstrtoumax(const char *, char **, int); | |
97000ba6 JS |
354 | #define strtoimax gitstrtoimax |
355 | extern intmax_t gitstrtoimax(const char *, char **, int); | |
bc6b4f52 JR |
356 | #endif |
357 | ||
78457bc0 JN |
358 | #ifdef NO_STRTOK_R |
359 | #define strtok_r gitstrtok_r | |
360 | extern char *gitstrtok_r(char *s, const char *delim, char **save_ptr); | |
361 | #endif | |
362 | ||
fa0c87c3 AR |
363 | #ifdef NO_HSTRERROR |
364 | #define hstrerror githstrerror | |
365 | extern const char *githstrerror(int herror); | |
366 | #endif | |
367 | ||
b21b9f1d RS |
368 | #ifdef NO_MEMMEM |
369 | #define memmem gitmemmem | |
370 | void *gitmemmem(const void *haystack, size_t haystacklen, | |
371 | const void *needle, size_t needlelen); | |
372 | #endif | |
373 | ||
cba22528 | 374 | #ifdef FREAD_READS_DIRECTORIES |
c5445fe0 JS |
375 | #ifdef fopen |
376 | #undef fopen | |
377 | #endif | |
cba22528 BC |
378 | #define fopen(a,b) git_fopen(a,b) |
379 | extern FILE *git_fopen(const char*, const char*); | |
380 | #endif | |
381 | ||
c4582f93 MR |
382 | #ifdef SNPRINTF_RETURNS_BOGUS |
383 | #define snprintf git_snprintf | |
384 | extern int git_snprintf(char *str, size_t maxsize, | |
385 | const char *format, ...); | |
386 | #define vsnprintf git_vsnprintf | |
387 | extern int git_vsnprintf(char *str, size_t maxsize, | |
388 | const char *format, va_list ap); | |
389 | #endif | |
390 | ||
726c8ef5 JS |
391 | #ifdef __GLIBC_PREREQ |
392 | #if __GLIBC_PREREQ(2, 1) | |
393 | #define HAVE_STRCHRNUL | |
137c6eaa | 394 | #define HAVE_MEMPCPY |
726c8ef5 JS |
395 | #endif |
396 | #endif | |
397 | ||
398 | #ifndef HAVE_STRCHRNUL | |
659c69cf | 399 | #define strchrnul gitstrchrnul |
9e79f00f AE |
400 | static inline char *gitstrchrnul(const char *s, int c) |
401 | { | |
402 | while (*s && *s != c) | |
403 | s++; | |
404 | return (char *)s; | |
405 | } | |
659c69cf RS |
406 | #endif |
407 | ||
137c6eaa JN |
408 | #ifndef HAVE_MEMPCPY |
409 | #define mempcpy gitmempcpy | |
410 | static inline void *gitmempcpy(void *dest, const void *src, size_t n) | |
411 | { | |
412 | return (char *)memcpy(dest, src, n) + n; | |
413 | } | |
414 | #endif | |
415 | ||
da523cc5 MP |
416 | #ifdef NO_INET_PTON |
417 | int inet_pton(int af, const char *src, void *dst); | |
418 | #endif | |
419 | ||
420 | #ifdef NO_INET_NTOP | |
421 | const char *inet_ntop(int af, const void *src, char *dst, size_t size); | |
422 | #endif | |
423 | ||
d1efefa4 | 424 | extern void release_pack_memory(size_t, int); |
97bfeb34 | 425 | |
851c34b0 JS |
426 | typedef void (*try_to_free_t)(size_t); |
427 | extern try_to_free_t set_try_to_free_routine(try_to_free_t); | |
a9a74636 | 428 | |
112db553 LT |
429 | extern char *xstrdup(const char *str); |
430 | extern void *xmalloc(size_t size); | |
5bf9219d | 431 | extern void *xmallocz(size_t size); |
112db553 LT |
432 | extern void *xmemdupz(const void *data, size_t len); |
433 | extern char *xstrndup(const char *str, size_t len); | |
434 | extern void *xrealloc(void *ptr, size_t size); | |
435 | extern void *xcalloc(size_t nmemb, size_t size); | |
436 | extern void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset); | |
437 | extern ssize_t xread(int fd, void *buf, size_t len); | |
438 | extern ssize_t xwrite(int fd, const void *buf, size_t len); | |
439 | extern int xdup(int fd); | |
440 | extern FILE *xfdopen(int fd, const char *mode); | |
441 | extern int xmkstemp(char *template); | |
463db9b1 | 442 | extern int xmkstemp_mode(char *template, int mode); |
6e180cdc JH |
443 | extern int odb_mkstemp(char *template, size_t limit, const char *pattern); |
444 | extern int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1); | |
f21a47b2 | 445 | |
dc49cd76 SP |
446 | static inline size_t xsize_t(off_t len) |
447 | { | |
46be82df TR |
448 | if (len > (size_t) len) |
449 | die("Cannot handle files this big"); | |
dc49cd76 SP |
450 | return (size_t)len; |
451 | } | |
452 | ||
5bb1cda5 | 453 | static inline int has_extension(const char *filename, const char *ext) |
83a2b841 | 454 | { |
5bb1cda5 RS |
455 | size_t len = strlen(filename); |
456 | size_t extlen = strlen(ext); | |
83a2b841 RS |
457 | return len > extlen && !memcmp(filename + len - extlen, ext, extlen); |
458 | } | |
459 | ||
f1589d10 RJ |
460 | /* in ctype.c, for kwset users */ |
461 | extern const char tolower_trans_tbl[256]; | |
462 | ||
4050c0df | 463 | /* Sane ctype - no locale, and works with signed chars */ |
c2e9364a | 464 | #undef isascii |
4050c0df JH |
465 | #undef isspace |
466 | #undef isdigit | |
467 | #undef isalpha | |
468 | #undef isalnum | |
43ccdf56 NK |
469 | #undef islower |
470 | #undef isupper | |
4050c0df JH |
471 | #undef tolower |
472 | #undef toupper | |
473 | extern unsigned char sane_ctype[256]; | |
474 | #define GIT_SPACE 0x01 | |
475 | #define GIT_DIGIT 0x02 | |
476 | #define GIT_ALPHA 0x04 | |
8cc32992 | 477 | #define GIT_GLOB_SPECIAL 0x08 |
f9b7cce6 | 478 | #define GIT_REGEX_SPECIAL 0x10 |
2f6c9760 | 479 | #define GIT_PATHSPEC_MAGIC 0x20 |
4050c0df | 480 | #define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0) |
c2e9364a | 481 | #define isascii(x) (((x) & ~0x7f) == 0) |
4050c0df JH |
482 | #define isspace(x) sane_istest(x,GIT_SPACE) |
483 | #define isdigit(x) sane_istest(x,GIT_DIGIT) | |
484 | #define isalpha(x) sane_istest(x,GIT_ALPHA) | |
485 | #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT) | |
43ccdf56 NK |
486 | #define islower(x) sane_iscase(x, 1) |
487 | #define isupper(x) sane_iscase(x, 0) | |
8cc32992 | 488 | #define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL) |
f9b7cce6 | 489 | #define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL) |
4050c0df JH |
490 | #define tolower(x) sane_case((unsigned char)(x), 0x20) |
491 | #define toupper(x) sane_case((unsigned char)(x), 0) | |
2f6c9760 | 492 | #define is_pathspec_magic(x) sane_istest(x,GIT_PATHSPEC_MAGIC) |
4050c0df JH |
493 | |
494 | static inline int sane_case(int x, int high) | |
495 | { | |
496 | if (sane_istest(x, GIT_ALPHA)) | |
497 | x = (x & ~0x20) | high; | |
498 | return x; | |
499 | } | |
500 | ||
43ccdf56 NK |
501 | static inline int sane_iscase(int x, int is_lower) |
502 | { | |
503 | if (!sane_istest(x, GIT_ALPHA)) | |
504 | return 0; | |
505 | ||
506 | if (is_lower) | |
507 | return (x & 0x20) != 0; | |
508 | else | |
509 | return (x & 0x20) == 0; | |
510 | } | |
511 | ||
6aead43d JM |
512 | static inline int strtoul_ui(char const *s, int base, unsigned int *result) |
513 | { | |
514 | unsigned long ul; | |
515 | char *p; | |
516 | ||
517 | errno = 0; | |
518 | ul = strtoul(s, &p, base); | |
519 | if (errno || *p || p == s || (unsigned int) ul != ul) | |
520 | return -1; | |
521 | *result = ul; | |
522 | return 0; | |
523 | } | |
524 | ||
7791ecbc JH |
525 | static inline int strtol_i(char const *s, int base, int *result) |
526 | { | |
527 | long ul; | |
528 | char *p; | |
529 | ||
530 | errno = 0; | |
531 | ul = strtol(s, &p, base); | |
532 | if (errno || *p || p == s || (int) ul != ul) | |
533 | return -1; | |
534 | *result = ul; | |
535 | return 0; | |
536 | } | |
537 | ||
43fe901b BD |
538 | #ifdef INTERNAL_QSORT |
539 | void git_qsort(void *base, size_t nmemb, size_t size, | |
540 | int(*compar)(const void *, const void *)); | |
541 | #define qsort git_qsort | |
542 | #endif | |
543 | ||
81a24b52 AR |
544 | #ifndef DIR_HAS_BSD_GROUP_SEMANTICS |
545 | # define FORCE_DIR_SET_GID S_ISGID | |
546 | #else | |
547 | # define FORCE_DIR_SET_GID 0 | |
548 | #endif | |
549 | ||
c06ff490 KB |
550 | #ifdef NO_NSEC |
551 | #undef USE_NSEC | |
552 | #define ST_CTIME_NSEC(st) 0 | |
553 | #define ST_MTIME_NSEC(st) 0 | |
554 | #else | |
c567383b BG |
555 | #ifdef USE_ST_TIMESPEC |
556 | #define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctimespec.tv_nsec)) | |
557 | #define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtimespec.tv_nsec)) | |
558 | #else | |
c06ff490 KB |
559 | #define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctim.tv_nsec)) |
560 | #define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec)) | |
561 | #endif | |
c567383b | 562 | #endif |
c06ff490 | 563 | |
34779c53 JS |
564 | #ifdef UNRELIABLE_FSTAT |
565 | #define fstat_is_reliable() 0 | |
566 | #else | |
567 | #define fstat_is_reliable() 1 | |
568 | #endif | |
569 | ||
ab8632ae | 570 | #ifndef va_copy |
26db0f2e JN |
571 | /* |
572 | * Since an obvious implementation of va_list would be to make it a | |
573 | * pointer into the stack frame, a simple assignment will work on | |
574 | * many systems. But let's try to be more portable. | |
575 | */ | |
576 | #ifdef __va_copy | |
577 | #define va_copy(dst, src) __va_copy(dst, src) | |
578 | #else | |
579 | #define va_copy(dst, src) ((dst) = (src)) | |
580 | #endif | |
ab8632ae JK |
581 | #endif |
582 | ||
fc71db39 AR |
583 | /* |
584 | * Preserves errno, prints a message, but gives no warning for ENOENT. | |
585 | * Always returns the return value of unlink(2). | |
586 | */ | |
587 | int unlink_or_warn(const char *path); | |
d1723296 PC |
588 | /* |
589 | * Likewise for rmdir(2). | |
590 | */ | |
591 | int rmdir_or_warn(const char *path); | |
80d706af PC |
592 | /* |
593 | * Calls the correct function out of {unlink,rmdir}_or_warn based on | |
594 | * the supplied file mode. | |
595 | */ | |
596 | int remove_or_warn(unsigned int mode, const char *path); | |
fc71db39 | 597 | |
4050c0df | 598 | #endif |