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