1#ifdef __MINGW64_VERSION_MAJOR
2#include <stdint.h>
3#include <wchar.h>
4typedef _sigset_t sigset_t;
5#endif
6#include <winsock2.h>
7#include <ws2tcpip.h>
8/* MinGW-w64 reports to have flockfile, but it does not actually have it. */
10#ifdef __MINGW64_VERSION_MAJOR
11#undef _POSIX_THREAD_SAFE_FUNCTIONS
12#endif
13/*
15 * things that are not available in header files
16 */
17typedef int uid_t;
19typedef int socklen_t;
20#ifndef __MINGW64_VERSION_MAJOR
21typedef int pid_t;
22#define hstrerror strerror
23#endif
24#define S_IFLNK 0120000 /* Symbolic link */
26#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
27#define S_ISSOCK(x) 0
28#ifndef S_IRWXG
30#define S_IRGRP 0
31#define S_IWGRP 0
32#define S_IXGRP 0
33#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
34#endif
35#ifndef S_IRWXO
36#define S_IROTH 0
37#define S_IWOTH 0
38#define S_IXOTH 0
39#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
40#endif
41#define S_ISUID 0004000
43#define S_ISGID 0002000
44#define S_ISVTX 0001000
45#define WIFEXITED(x) 1
47#define WIFSIGNALED(x) 0
48#define WEXITSTATUS(x) ((x) & 0xff)
49#define WTERMSIG(x) SIGTERM
50#ifndef EWOULDBLOCK
52#define EWOULDBLOCK EAGAIN
53#endif
54#ifndef ELOOP
55#define ELOOP EMLINK
56#endif
57#define SHUT_WR SD_SEND
58#define SIGHUP 1
60#define SIGQUIT 3
61#define SIGKILL 9
62#define SIGPIPE 13
63#define SIGALRM 14
64#define SIGCHLD 17
65#define F_GETFD 1
67#define F_SETFD 2
68#define FD_CLOEXEC 0x1
69#if !defined O_CLOEXEC && defined O_NOINHERIT
71#define O_CLOEXEC O_NOINHERIT
72#endif
73#ifndef EAFNOSUPPORT
75#define EAFNOSUPPORT WSAEAFNOSUPPORT
76#endif
77#ifndef ECONNABORTED
78#define ECONNABORTED WSAECONNABORTED
79#endif
80#ifndef ENOTSOCK
81#define ENOTSOCK WSAENOTSOCK
82#endif
83struct passwd {
85 char *pw_name;
86 char *pw_gecos;
87 char *pw_dir;
88};
89typedef void (__cdecl *sig_handler_t)(int);
91struct sigaction {
92 sig_handler_t sa_handler;
93 unsigned sa_flags;
94};
95#define SA_RESTART 0
96struct itimerval {
98 struct timeval it_value, it_interval;
99};
100#define ITIMER_REAL 0
101struct utsname {
103 char sysname[16];
104 char nodename[1];
105 char release[16];
106 char version[16];
107 char machine[1];
108};
109/*
111 * sanitize preprocessor namespace polluted by Windows headers defining
112 * macros which collide with git local versions
113 */
114#undef HELP_COMMAND /* from winuser.h */
115/*
117 * trivial stubs
118 */
119static inline int readlink(const char *path, char *buf, size_t bufsiz)
121{ errno = ENOSYS; return -1; }
122static inline int symlink(const char *oldpath, const char *newpath)
123{ errno = ENOSYS; return -1; }
124static inline int fchmod(int fildes, mode_t mode)
125{ errno = ENOSYS; return -1; }
126#ifndef __MINGW64_VERSION_MAJOR
127static inline pid_t fork(void)
128{ errno = ENOSYS; return -1; }
129#endif
130static inline unsigned int alarm(unsigned int seconds)
131{ return 0; }
132static inline int fsync(int fd)
133{ return _commit(fd); }
134static inline void sync(void)
135{}
136static inline uid_t getuid(void)
137{ return 1; }
138static inline struct passwd *getpwnam(const char *name)
139{ return NULL; }
140static inline int fcntl(int fd, int cmd, ...)
141{
142 if (cmd == F_GETFD || cmd == F_SETFD)
143 return 0;
144 errno = EINVAL;
145 return -1;
146}
147/* bash cannot reliably detect negative return codes as failure */
148#define exit(code) exit((code) & 0xff)
149#define sigemptyset(x) (void)0
150static inline int sigaddset(sigset_t *set, int signum)
151{ return 0; }
152#define SIG_BLOCK 0
153#define SIG_UNBLOCK 0
154static inline int sigprocmask(int how, const sigset_t *set, sigset_t *oldset)
155{ return 0; }
156static inline pid_t getppid(void)
157{ return 1; }
158static inline pid_t getpgid(pid_t pid)
159{ return pid == 0 ? getpid() : pid; }
160static inline pid_t tcgetpgrp(int fd)
161{ return getpid(); }
162/*
164 * simple adaptors
165 */
166int mingw_mkdir(const char *path, int mode);
168#define mkdir mingw_mkdir
169#define WNOHANG 1
171pid_t waitpid(pid_t pid, int *status, int options);
172#define kill mingw_kill
174int mingw_kill(pid_t pid, int sig);
175#ifndef NO_OPENSSL
177#include <openssl/ssl.h>
178static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
179{
180 return SSL_set_fd(ssl, _get_osfhandle(fd));
181}
182#define SSL_set_fd mingw_SSL_set_fd
183static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
185{
186 return SSL_set_rfd(ssl, _get_osfhandle(fd));
187}
188#define SSL_set_rfd mingw_SSL_set_rfd
189static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
191{
192 return SSL_set_wfd(ssl, _get_osfhandle(fd));
193}
194#define SSL_set_wfd mingw_SSL_set_wfd
195#endif
196/*
198 * implementations of missing functions
199 */
200int pipe(int filedes[2]);
202unsigned int sleep (unsigned int seconds);
203int mkstemp(char *template);
204int gettimeofday(struct timeval *tv, void *tz);
205#ifndef __MINGW64_VERSION_MAJOR
206struct tm *gmtime_r(const time_t *timep, struct tm *result);
207struct tm *localtime_r(const time_t *timep, struct tm *result);
208#endif
209int getpagesize(void); /* defined in MinGW's libgcc.a */
210struct passwd *getpwuid(uid_t uid);
211int setitimer(int type, struct itimerval *in, struct itimerval *out);
212int sigaction(int sig, struct sigaction *in, struct sigaction *out);
213int link(const char *oldpath, const char *newpath);
214int uname(struct utsname *buf);
215/*
217 * replacements of existing functions
218 */
219int mingw_unlink(const char *pathname);
221#define unlink mingw_unlink
222int mingw_rmdir(const char *path);
224#define rmdir mingw_rmdir
225int mingw_open (const char *filename, int oflags, ...);
227#define open mingw_open
228int mingw_fgetc(FILE *stream);
230#define fgetc mingw_fgetc
231FILE *mingw_fopen (const char *filename, const char *otype);
233#define fopen mingw_fopen
234FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
236#define freopen mingw_freopen
237int mingw_fflush(FILE *stream);
239#define fflush mingw_fflush
240ssize_t mingw_write(int fd, const void *buf, size_t len);
242#define write mingw_write
243int mingw_access(const char *filename, int mode);
245#undef access
246#define access mingw_access
247int mingw_chdir(const char *dirname);
249#define chdir mingw_chdir
250int mingw_chmod(const char *filename, int mode);
252#define chmod mingw_chmod
253char *mingw_mktemp(char *template);
255#define mktemp mingw_mktemp
256char *mingw_getcwd(char *pointer, int len);
258#define getcwd mingw_getcwd
259char *mingw_getenv(const char *name);
261#define getenv mingw_getenv
262int mingw_putenv(const char *namevalue);
263#define putenv mingw_putenv
264#define unsetenv mingw_putenv
265int mingw_gethostname(char *host, int namelen);
267#define gethostname mingw_gethostname
268struct hostent *mingw_gethostbyname(const char *host);
270#define gethostbyname mingw_gethostbyname
271void mingw_freeaddrinfo(struct addrinfo *res);
273#define freeaddrinfo mingw_freeaddrinfo
274int mingw_getaddrinfo(const char *node, const char *service,
276 const struct addrinfo *hints, struct addrinfo **res);
277#define getaddrinfo mingw_getaddrinfo
278int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
280 char *host, DWORD hostlen, char *serv, DWORD servlen,
281 int flags);
282#define getnameinfo mingw_getnameinfo
283int mingw_socket(int domain, int type, int protocol);
285#define socket mingw_socket
286int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
288#define connect mingw_connect
289int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
291#define bind mingw_bind
292int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
294#define setsockopt mingw_setsockopt
295int mingw_shutdown(int sockfd, int how);
297#define shutdown mingw_shutdown
298int mingw_listen(int sockfd, int backlog);
300#define listen mingw_listen
301int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
303#define accept mingw_accept
304int mingw_rename(const char*, const char*);
306#define rename mingw_rename
307#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
309int mingw_getpagesize(void);
310#define getpagesize mingw_getpagesize
311#endif
312struct rlimit {
314 unsigned int rlim_cur;
315};
316#define RLIMIT_NOFILE 0
317static inline int getrlimit(int resource, struct rlimit *rlp)
319{
320 if (resource != RLIMIT_NOFILE) {
321 errno = EINVAL;
322 return -1;
323 }
324 rlp->rlim_cur = 2048;
326 return 0;
327}
328/*
330 * Use mingw specific stat()/lstat()/fstat() implementations on Windows.
331 */
332#ifndef __MINGW64_VERSION_MAJOR
333#define off_t off64_t
334#define lseek _lseeki64
335#endif
336/* use struct stat with 64 bit st_size */
338#ifdef stat
339#undef stat
340#endif
341#define stat _stati64
342int mingw_lstat(const char *file_name, struct stat *buf);
343int mingw_stat(const char *file_name, struct stat *buf);
344int mingw_fstat(int fd, struct stat *buf);
345#ifdef fstat
346#undef fstat
347#endif
348#define fstat mingw_fstat
349#ifdef lstat
350#undef lstat
351#endif
352#define lstat mingw_lstat
353#ifndef _stati64
355# define _stati64(x,y) mingw_stat(x,y)
356#elif defined (_USE_32BIT_TIME_T)
357# define _stat32i64(x,y) mingw_stat(x,y)
358#else
359# define _stat64(x,y) mingw_stat(x,y)
360#endif
361int mingw_utime(const char *file_name, const struct utimbuf *times);
363#define utime mingw_utime
364pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
366 const char *dir,
367 int fhin, int fhout, int fherr);
368int mingw_execvp(const char *cmd, char *const *argv);
369#define execvp mingw_execvp
370int mingw_execv(const char *cmd, char *const *argv);
371#define execv mingw_execv
372static inline unsigned int git_ntohl(unsigned int x)
374{ return (unsigned int)ntohl(x); }
375#define ntohl git_ntohl
376sig_handler_t mingw_signal(int sig, sig_handler_t handler);
378#define signal mingw_signal
379int mingw_raise(int sig);
381#define raise mingw_raise
382/*
384 * ANSI emulation wrappers
385 */
386int winansi_isatty(int fd);
388#define isatty winansi_isatty
389void winansi_init(void);
391HANDLE winansi_get_osfhandle(int fd);
392/*
394 * git specific compatibility
395 */
396#define has_dos_drive_prefix(path) \
398 (isalpha(*(path)) && (path)[1] == ':' ? 2 : 0)
399int mingw_skip_dos_drive_prefix(char **path);
400#define skip_dos_drive_prefix mingw_skip_dos_drive_prefix
401static inline int mingw_is_dir_sep(int c)
402{
403 return c == '/' || c == '\\';
404}
405#define is_dir_sep mingw_is_dir_sep
406static inline char *mingw_find_last_dir_sep(const char *path)
407{
408 char *ret = NULL;
409 for (; *path; ++path)
410 if (is_dir_sep(*path))
411 ret = (char *)path;
412 return ret;
413}
414static inline void convert_slashes(char *path)
415{
416 for (; *path; path++)
417 if (*path == '\\')
418 *path = '/';
419}
420#define find_last_dir_sep mingw_find_last_dir_sep
421int mingw_offset_1st_component(const char *path);
422#define offset_1st_component mingw_offset_1st_component
423#define PATH_SEP ';'
424#if !defined(__MINGW64_VERSION_MAJOR) && (!defined(_MSC_VER) || _MSC_VER < 1800)
425#define PRIuMAX "I64u"
426#define PRId64 "I64d"
427#else
428#include <inttypes.h>
429#endif
430/**
432 * Converts UTF-8 encoded string to UTF-16LE.
433 *
434 * To support repositories with legacy-encoded file names, invalid UTF-8 bytes
435 * 0xa0 - 0xff are converted to corresponding printable Unicode chars \u00a0 -
436 * \u00ff, and invalid UTF-8 bytes 0x80 - 0x9f (which would make non-printable
437 * Unicode) are converted to hex-code.
438 *
439 * Lead-bytes not followed by an appropriate number of trail-bytes, over-long
440 * encodings and 4-byte encodings > \u10ffff are detected as invalid UTF-8.
441 *
442 * Maximum space requirement for the target buffer is two wide chars per UTF-8
443 * char (((strlen(utf) * 2) + 1) [* sizeof(wchar_t)]).
444 *
445 * The maximum space is needed only if the entire input string consists of
446 * invalid UTF-8 bytes in range 0x80-0x9f, as per the following table:
447 *
448 * | | UTF-8 | UTF-16 |
449 * Code point | UTF-8 sequence | bytes | words | ratio
450 * --------------+-------------------+-------+--------+-------
451 * 000000-00007f | 0-7f | 1 | 1 | 1
452 * 000080-0007ff | c2-df + 80-bf | 2 | 1 | 0.5
453 * 000800-00ffff | e0-ef + 2 * 80-bf | 3 | 1 | 0.33
454 * 010000-10ffff | f0-f4 + 3 * 80-bf | 4 | 2 (a) | 0.5
455 * invalid | 80-9f | 1 | 2 (b) | 2
456 * invalid | a0-ff | 1 | 1 | 1
457 *
458 * (a) encoded as UTF-16 surrogate pair
459 * (b) encoded as two hex digits
460 *
461 * Note that, while the UTF-8 encoding scheme can be extended to 5-byte, 6-byte
462 * or even indefinite-byte sequences, the largest valid code point \u10ffff
463 * encodes as only 4 UTF-8 bytes.
464 *
465 * Parameters:
466 * wcs: wide char target buffer
467 * utf: string to convert
468 * wcslen: size of target buffer (in wchar_t's)
469 * utflen: size of string to convert, or -1 if 0-terminated
470 *
471 * Returns:
472 * length of converted string (_wcslen(wcs)), or -1 on failure
473 *
474 * Errors:
475 * EINVAL: one of the input parameters is invalid (e.g. NULL)
476 * ERANGE: the output buffer is too small
477 */
478int xutftowcsn(wchar_t *wcs, const char *utf, size_t wcslen, int utflen);
479/**
481 * Simplified variant of xutftowcsn, assumes input string is \0-terminated.
482 */
483static inline int xutftowcs(wchar_t *wcs, const char *utf, size_t wcslen)
484{
485 return xutftowcsn(wcs, utf, wcslen, -1);
486}
487/**
489 * Simplified file system specific variant of xutftowcsn, assumes output
490 * buffer size is MAX_PATH wide chars and input string is \0-terminated,
491 * fails with ENAMETOOLONG if input string is too long.
492 */
493static inline int xutftowcs_path(wchar_t *wcs, const char *utf)
494{
495 int result = xutftowcsn(wcs, utf, MAX_PATH, -1);
496 if (result < 0 && errno == ERANGE)
497 errno = ENAMETOOLONG;
498 return result;
499}
500/**
502 * Converts UTF-16LE encoded string to UTF-8.
503 *
504 * Maximum space requirement for the target buffer is three UTF-8 chars per
505 * wide char ((_wcslen(wcs) * 3) + 1).
506 *
507 * The maximum space is needed only if the entire input string consists of
508 * UTF-16 words in range 0x0800-0xd7ff or 0xe000-0xffff (i.e. \u0800-\uffff
509 * modulo surrogate pairs), as per the following table:
510 *
511 * | | UTF-16 | UTF-8 |
512 * Code point | UTF-16 sequence | words | bytes | ratio
513 * --------------+-----------------------+--------+-------+-------
514 * 000000-00007f | 0000-007f | 1 | 1 | 1
515 * 000080-0007ff | 0080-07ff | 1 | 2 | 2
516 * 000800-00ffff | 0800-d7ff / e000-ffff | 1 | 3 | 3
517 * 010000-10ffff | d800-dbff + dc00-dfff | 2 | 4 | 2
518 *
519 * Note that invalid code points > 10ffff cannot be represented in UTF-16.
520 *
521 * Parameters:
522 * utf: target buffer
523 * wcs: wide string to convert
524 * utflen: size of target buffer
525 *
526 * Returns:
527 * length of converted string, or -1 on failure
528 *
529 * Errors:
530 * EINVAL: one of the input parameters is invalid (e.g. NULL)
531 * ERANGE: the output buffer is too small
532 */
533int xwcstoutf(char *utf, const wchar_t *wcs, size_t utflen);
534/*
536 * A critical section used in the implementation of the spawn
537 * functions (mingw_spawnv[p]e()) and waitpid(). Intialised in
538 * the replacement main() macro below.
539 */
540extern CRITICAL_SECTION pinfo_cs;
541/*
543 * A replacement of main() that adds win32 specific initialization.
544 */
545void mingw_startup(void);
547#define main(c,v) dummy_decl_mingw_main(void); \
548static int mingw_main(c,v); \
549int main(int argc, const char **argv) \
550{ \
551 mingw_startup(); \
552 return mingw_main(__argc, (void *)__argv); \
553} \
554static int mingw_main(c,v)
555/*
557 * Used by Pthread API implementation for Windows
558 */
559extern int err_win_to_posix(DWORD winerr);