Merge branch 'jc/maint-fbsd-sh-ifs-workaround' into maint
[git/git.git] / compat / mingw.h
1 #include <winsock2.h>
2 #include <ws2tcpip.h>
3
4 /*
5 * things that are not available in header files
6 */
7
8 typedef int pid_t;
9 typedef int uid_t;
10 typedef int socklen_t;
11 #define hstrerror strerror
12
13 #define S_IFLNK 0120000 /* Symbolic link */
14 #define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
15 #define S_ISSOCK(x) 0
16
17 #define S_IRGRP 0
18 #define S_IWGRP 0
19 #define S_IXGRP 0
20 #define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
21 #define S_IROTH 0
22 #define S_IWOTH 0
23 #define S_IXOTH 0
24 #define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
25
26 #define S_ISUID 0004000
27 #define S_ISGID 0002000
28 #define S_ISVTX 0001000
29
30 #define WIFEXITED(x) 1
31 #define WIFSIGNALED(x) 0
32 #define WEXITSTATUS(x) ((x) & 0xff)
33 #define WTERMSIG(x) SIGTERM
34
35 #define EWOULDBLOCK EAGAIN
36 #define SHUT_WR SD_SEND
37
38 #define SIGHUP 1
39 #define SIGQUIT 3
40 #define SIGKILL 9
41 #define SIGPIPE 13
42 #define SIGALRM 14
43 #define SIGCHLD 17
44
45 #define F_GETFD 1
46 #define F_SETFD 2
47 #define FD_CLOEXEC 0x1
48
49 #define EAFNOSUPPORT WSAEAFNOSUPPORT
50 #define ECONNABORTED WSAECONNABORTED
51
52 struct passwd {
53 char *pw_name;
54 char *pw_gecos;
55 char *pw_dir;
56 };
57
58 typedef void (__cdecl *sig_handler_t)(int);
59 struct sigaction {
60 sig_handler_t sa_handler;
61 unsigned sa_flags;
62 };
63 #define sigemptyset(x) (void)0
64 #define SA_RESTART 0
65
66 struct itimerval {
67 struct timeval it_value, it_interval;
68 };
69 #define ITIMER_REAL 0
70
71 /*
72 * sanitize preprocessor namespace polluted by Windows headers defining
73 * macros which collide with git local versions
74 */
75 #undef HELP_COMMAND /* from winuser.h */
76
77 /*
78 * trivial stubs
79 */
80
81 static inline int readlink(const char *path, char *buf, size_t bufsiz)
82 { errno = ENOSYS; return -1; }
83 static inline int symlink(const char *oldpath, const char *newpath)
84 { errno = ENOSYS; return -1; }
85 static inline int fchmod(int fildes, mode_t mode)
86 { errno = ENOSYS; return -1; }
87 static inline pid_t fork(void)
88 { errno = ENOSYS; return -1; }
89 static inline unsigned int alarm(unsigned int seconds)
90 { return 0; }
91 static inline int fsync(int fd)
92 { return _commit(fd); }
93 static inline pid_t getppid(void)
94 { return 1; }
95 static inline void sync(void)
96 {}
97 static inline uid_t getuid(void)
98 { return 1; }
99 static inline struct passwd *getpwnam(const char *name)
100 { return NULL; }
101 static inline int fcntl(int fd, int cmd, ...)
102 {
103 if (cmd == F_GETFD || cmd == F_SETFD)
104 return 0;
105 errno = EINVAL;
106 return -1;
107 }
108 /* bash cannot reliably detect negative return codes as failure */
109 #define exit(code) exit((code) & 0xff)
110
111 /*
112 * simple adaptors
113 */
114
115 static inline int mingw_mkdir(const char *path, int mode)
116 {
117 return mkdir(path);
118 }
119 #define mkdir mingw_mkdir
120
121 #define WNOHANG 1
122 pid_t waitpid(pid_t pid, int *status, int options);
123
124 #define kill mingw_kill
125 int mingw_kill(pid_t pid, int sig);
126
127 #ifndef NO_OPENSSL
128 #include <openssl/ssl.h>
129 static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
130 {
131 return SSL_set_fd(ssl, _get_osfhandle(fd));
132 }
133 #define SSL_set_fd mingw_SSL_set_fd
134
135 static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
136 {
137 return SSL_set_rfd(ssl, _get_osfhandle(fd));
138 }
139 #define SSL_set_rfd mingw_SSL_set_rfd
140
141 static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
142 {
143 return SSL_set_wfd(ssl, _get_osfhandle(fd));
144 }
145 #define SSL_set_wfd mingw_SSL_set_wfd
146 #endif
147
148 /*
149 * implementations of missing functions
150 */
151
152 int pipe(int filedes[2]);
153 unsigned int sleep (unsigned int seconds);
154 int mkstemp(char *template);
155 int gettimeofday(struct timeval *tv, void *tz);
156 struct tm *gmtime_r(const time_t *timep, struct tm *result);
157 struct tm *localtime_r(const time_t *timep, struct tm *result);
158 int getpagesize(void); /* defined in MinGW's libgcc.a */
159 struct passwd *getpwuid(uid_t uid);
160 int setitimer(int type, struct itimerval *in, struct itimerval *out);
161 int sigaction(int sig, struct sigaction *in, struct sigaction *out);
162 int link(const char *oldpath, const char *newpath);
163
164 /*
165 * replacements of existing functions
166 */
167
168 int mingw_unlink(const char *pathname);
169 #define unlink mingw_unlink
170
171 int mingw_rmdir(const char *path);
172 #define rmdir mingw_rmdir
173
174 int mingw_open (const char *filename, int oflags, ...);
175 #define open mingw_open
176
177 ssize_t mingw_write(int fd, const void *buf, size_t count);
178 #define write mingw_write
179
180 int mingw_fgetc(FILE *stream);
181 #define fgetc mingw_fgetc
182
183 FILE *mingw_fopen (const char *filename, const char *otype);
184 #define fopen mingw_fopen
185
186 FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
187 #define freopen mingw_freopen
188
189 int mingw_fflush(FILE *stream);
190 #define fflush mingw_fflush
191
192 char *mingw_getcwd(char *pointer, int len);
193 #define getcwd mingw_getcwd
194
195 char *mingw_getenv(const char *name);
196 #define getenv mingw_getenv
197
198 int mingw_gethostname(char *host, int namelen);
199 #define gethostname mingw_gethostname
200
201 struct hostent *mingw_gethostbyname(const char *host);
202 #define gethostbyname mingw_gethostbyname
203
204 void mingw_freeaddrinfo(struct addrinfo *res);
205 #define freeaddrinfo mingw_freeaddrinfo
206
207 int mingw_getaddrinfo(const char *node, const char *service,
208 const struct addrinfo *hints, struct addrinfo **res);
209 #define getaddrinfo mingw_getaddrinfo
210
211 int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
212 char *host, DWORD hostlen, char *serv, DWORD servlen,
213 int flags);
214 #define getnameinfo mingw_getnameinfo
215
216 int mingw_socket(int domain, int type, int protocol);
217 #define socket mingw_socket
218
219 int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
220 #define connect mingw_connect
221
222 int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
223 #define bind mingw_bind
224
225 int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
226 #define setsockopt mingw_setsockopt
227
228 int mingw_shutdown(int sockfd, int how);
229 #define shutdown mingw_shutdown
230
231 int mingw_listen(int sockfd, int backlog);
232 #define listen mingw_listen
233
234 int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
235 #define accept mingw_accept
236
237 int mingw_rename(const char*, const char*);
238 #define rename mingw_rename
239
240 #if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
241 int mingw_getpagesize(void);
242 #define getpagesize mingw_getpagesize
243 #endif
244
245 struct rlimit {
246 unsigned int rlim_cur;
247 };
248 #define RLIMIT_NOFILE 0
249
250 static inline int getrlimit(int resource, struct rlimit *rlp)
251 {
252 if (resource != RLIMIT_NOFILE) {
253 errno = EINVAL;
254 return -1;
255 }
256
257 rlp->rlim_cur = 2048;
258 return 0;
259 }
260
261 /* Use mingw_lstat() instead of lstat()/stat() and
262 * mingw_fstat() instead of fstat() on Windows.
263 */
264 #define off_t off64_t
265 #define lseek _lseeki64
266 #ifndef ALREADY_DECLARED_STAT_FUNCS
267 #define stat _stati64
268 int mingw_lstat(const char *file_name, struct stat *buf);
269 int mingw_stat(const char *file_name, struct stat *buf);
270 int mingw_fstat(int fd, struct stat *buf);
271 #define fstat mingw_fstat
272 #define lstat mingw_lstat
273 #define _stati64(x,y) mingw_stat(x,y)
274 #endif
275
276 int mingw_utime(const char *file_name, const struct utimbuf *times);
277 #define utime mingw_utime
278
279 pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
280 const char *dir,
281 int fhin, int fhout, int fherr);
282 int mingw_execvp(const char *cmd, char *const *argv);
283 #define execvp mingw_execvp
284 int mingw_execv(const char *cmd, char *const *argv);
285 #define execv mingw_execv
286
287 static inline unsigned int git_ntohl(unsigned int x)
288 { return (unsigned int)ntohl(x); }
289 #define ntohl git_ntohl
290
291 sig_handler_t mingw_signal(int sig, sig_handler_t handler);
292 #define signal mingw_signal
293
294 int mingw_raise(int sig);
295 #define raise mingw_raise
296
297 /*
298 * ANSI emulation wrappers
299 */
300
301 int winansi_fputs(const char *str, FILE *stream);
302 int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
303 int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
304 #define fputs winansi_fputs
305 #define printf(...) winansi_printf(__VA_ARGS__)
306 #define fprintf(...) winansi_fprintf(__VA_ARGS__)
307
308 /*
309 * git specific compatibility
310 */
311
312 #define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
313 #define is_dir_sep(c) ((c) == '/' || (c) == '\\')
314 static inline char *mingw_find_last_dir_sep(const char *path)
315 {
316 char *ret = NULL;
317 for (; *path; ++path)
318 if (is_dir_sep(*path))
319 ret = (char *)path;
320 return ret;
321 }
322 #define find_last_dir_sep mingw_find_last_dir_sep
323 #define PATH_SEP ';'
324 #define PRIuMAX "I64u"
325
326 void mingw_open_html(const char *path);
327 #define open_html mingw_open_html
328
329 /*
330 * helpers
331 */
332
333 char **make_augmented_environ(const char *const *vars);
334 void free_environ(char **env);
335
336 /*
337 * A replacement of main() that ensures that argv[0] has a path
338 * and that default fmode and std(in|out|err) are in binary mode
339 */
340
341 #define main(c,v) dummy_decl_mingw_main(); \
342 static int mingw_main(); \
343 int main(int argc, const char **argv) \
344 { \
345 extern CRITICAL_SECTION pinfo_cs; \
346 _fmode = _O_BINARY; \
347 _setmode(_fileno(stdin), _O_BINARY); \
348 _setmode(_fileno(stdout), _O_BINARY); \
349 _setmode(_fileno(stderr), _O_BINARY); \
350 argv[0] = xstrdup(_pgmptr); \
351 InitializeCriticalSection(&pinfo_cs); \
352 return mingw_main(argc, argv); \
353 } \
354 static int mingw_main(c,v)
355
356 /*
357 * Used by Pthread API implementation for Windows
358 */
359 extern int err_win_to_posix(DWORD winerr);