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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 #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)
26 #define S_ISUID 0004000
27 #define S_ISGID 0002000
28 #define S_ISVTX 0001000
30 #define WIFEXITED(x) 1
31 #define WIFSIGNALED(x) 0
32 #define WEXITSTATUS(x) ((x) & 0xff)
33 #define WTERMSIG(x) SIGTERM
35 #define EWOULDBLOCK EAGAIN
36 #define SHUT_WR SD_SEND
38 #define SIGHUP 1
39 #define SIGQUIT 3
40 #define SIGKILL 9
41 #define SIGPIPE 13
42 #define SIGALRM 14
43 #define SIGCHLD 17
45 #define F_GETFD 1
46 #define F_SETFD 2
47 #define FD_CLOEXEC 0x1
49 #define EAFNOSUPPORT WSAEAFNOSUPPORT
50 #define ECONNABORTED WSAECONNABORTED
52 struct passwd {
53 char *pw_name;
54 char *pw_gecos;
55 char *pw_dir;
58 extern char *getpass(const char *prompt);
60 typedef void (__cdecl *sig_handler_t)(int);
61 struct sigaction {
62 sig_handler_t sa_handler;
63 unsigned sa_flags;
65 #define sigemptyset(x) (void)0
66 #define SA_RESTART 0
68 struct itimerval {
69 struct timeval it_value, it_interval;
71 #define ITIMER_REAL 0
74 * sanitize preprocessor namespace polluted by Windows headers defining
75 * macros which collide with git local versions
77 #undef HELP_COMMAND /* from winuser.h */
80 * trivial stubs
83 static inline int readlink(const char *path, char *buf, size_t bufsiz)
84 { errno = ENOSYS; return -1; }
85 static inline int symlink(const char *oldpath, const char *newpath)
86 { errno = ENOSYS; return -1; }
87 static inline int fchmod(int fildes, mode_t mode)
88 { errno = ENOSYS; return -1; }
89 static inline pid_t fork(void)
90 { errno = ENOSYS; return -1; }
91 static inline unsigned int alarm(unsigned int seconds)
92 { return 0; }
93 static inline int fsync(int fd)
94 { return _commit(fd); }
95 static inline pid_t getppid(void)
96 { return 1; }
97 static inline void sync(void)
99 static inline uid_t getuid(void)
100 { return 1; }
101 static inline struct passwd *getpwnam(const char *name)
102 { return NULL; }
103 static inline int fcntl(int fd, int cmd, ...)
105 if (cmd == F_GETFD || cmd == F_SETFD)
106 return 0;
107 errno = EINVAL;
108 return -1;
110 /* bash cannot reliably detect negative return codes as failure */
111 #define exit(code) exit((code) & 0xff)
114 * simple adaptors
117 int mingw_mkdir(const char *path, int mode);
118 #define mkdir mingw_mkdir
120 #define WNOHANG 1
121 pid_t waitpid(pid_t pid, int *status, int options);
123 #define kill mingw_kill
124 int mingw_kill(pid_t pid, int sig);
126 #ifndef NO_OPENSSL
127 #include <openssl/ssl.h>
128 static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
130 return SSL_set_fd(ssl, _get_osfhandle(fd));
132 #define SSL_set_fd mingw_SSL_set_fd
134 static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
136 return SSL_set_rfd(ssl, _get_osfhandle(fd));
138 #define SSL_set_rfd mingw_SSL_set_rfd
140 static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
142 return SSL_set_wfd(ssl, _get_osfhandle(fd));
144 #define SSL_set_wfd mingw_SSL_set_wfd
145 #endif
148 * implementations of missing functions
151 int pipe(int filedes[2]);
152 unsigned int sleep (unsigned int seconds);
153 int mkstemp(char *template);
154 int gettimeofday(struct timeval *tv, void *tz);
155 struct tm *gmtime_r(const time_t *timep, struct tm *result);
156 struct tm *localtime_r(const time_t *timep, struct tm *result);
157 int getpagesize(void); /* defined in MinGW's libgcc.a */
158 struct passwd *getpwuid(uid_t uid);
159 int setitimer(int type, struct itimerval *in, struct itimerval *out);
160 int sigaction(int sig, struct sigaction *in, struct sigaction *out);
161 int link(const char *oldpath, const char *newpath);
164 * replacements of existing functions
167 int mingw_unlink(const char *pathname);
168 #define unlink mingw_unlink
170 int mingw_rmdir(const char *path);
171 #define rmdir mingw_rmdir
173 int mingw_open (const char *filename, int oflags, ...);
174 #define open mingw_open
176 ssize_t mingw_write(int fd, const void *buf, size_t count);
177 #define write mingw_write
179 FILE *mingw_fopen (const char *filename, const char *otype);
180 #define fopen mingw_fopen
182 FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
183 #define freopen mingw_freopen
185 char *mingw_getcwd(char *pointer, int len);
186 #define getcwd mingw_getcwd
188 char *mingw_getenv(const char *name);
189 #define getenv mingw_getenv
191 int mingw_gethostname(char *host, int namelen);
192 #define gethostname mingw_gethostname
194 struct hostent *mingw_gethostbyname(const char *host);
195 #define gethostbyname mingw_gethostbyname
197 void mingw_freeaddrinfo(struct addrinfo *res);
198 #define freeaddrinfo mingw_freeaddrinfo
200 int mingw_getaddrinfo(const char *node, const char *service,
201 const struct addrinfo *hints, struct addrinfo **res);
202 #define getaddrinfo mingw_getaddrinfo
204 int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
205 char *host, DWORD hostlen, char *serv, DWORD servlen,
206 int flags);
207 #define getnameinfo mingw_getnameinfo
209 int mingw_socket(int domain, int type, int protocol);
210 #define socket mingw_socket
212 int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
213 #define connect mingw_connect
215 int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
216 #define bind mingw_bind
218 int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
219 #define setsockopt mingw_setsockopt
221 int mingw_shutdown(int sockfd, int how);
222 #define shutdown mingw_shutdown
224 int mingw_listen(int sockfd, int backlog);
225 #define listen mingw_listen
227 int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
228 #define accept mingw_accept
230 int mingw_rename(const char*, const char*);
231 #define rename mingw_rename
233 #if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
234 int mingw_getpagesize(void);
235 #define getpagesize mingw_getpagesize
236 #endif
238 struct rlimit {
239 unsigned int rlim_cur;
241 #define RLIMIT_NOFILE 0
243 static inline int getrlimit(int resource, struct rlimit *rlp)
245 if (resource != RLIMIT_NOFILE) {
246 errno = EINVAL;
247 return -1;
250 rlp->rlim_cur = 2048;
251 return 0;
254 /* Use mingw_lstat() instead of lstat()/stat() and
255 * mingw_fstat() instead of fstat() on Windows.
257 #define off_t off64_t
258 #define lseek _lseeki64
259 #ifndef ALREADY_DECLARED_STAT_FUNCS
260 #define stat _stati64
261 int mingw_lstat(const char *file_name, struct stat *buf);
262 int mingw_stat(const char *file_name, struct stat *buf);
263 int mingw_fstat(int fd, struct stat *buf);
264 #define fstat mingw_fstat
265 #define lstat mingw_lstat
266 #define _stati64(x,y) mingw_stat(x,y)
267 #endif
269 int mingw_utime(const char *file_name, const struct utimbuf *times);
270 #define utime mingw_utime
272 pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
273 const char *dir,
274 int fhin, int fhout, int fherr);
275 int mingw_execvp(const char *cmd, char *const *argv);
276 #define execvp mingw_execvp
277 int mingw_execv(const char *cmd, char *const *argv);
278 #define execv mingw_execv
280 static inline unsigned int git_ntohl(unsigned int x)
281 { return (unsigned int)ntohl(x); }
282 #define ntohl git_ntohl
284 sig_handler_t mingw_signal(int sig, sig_handler_t handler);
285 #define signal mingw_signal
288 * ANSI emulation wrappers
291 int winansi_fputs(const char *str, FILE *stream);
292 int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
293 int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
294 #define fputs winansi_fputs
295 #define printf(...) winansi_printf(__VA_ARGS__)
296 #define fprintf(...) winansi_fprintf(__VA_ARGS__)
299 * git specific compatibility
302 #define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
303 #define is_dir_sep(c) ((c) == '/' || (c) == '\\')
304 static inline char *mingw_find_last_dir_sep(const char *path)
306 char *ret = NULL;
307 for (; *path; ++path)
308 if (is_dir_sep(*path))
309 ret = (char *)path;
310 return ret;
312 #define find_last_dir_sep mingw_find_last_dir_sep
313 #define PATH_SEP ';'
314 #define PRIuMAX "I64u"
316 void mingw_open_html(const char *path);
317 #define open_html mingw_open_html
319 void mingw_mark_as_git_dir(const char *dir);
320 #define mark_as_git_dir mingw_mark_as_git_dir
323 * helpers
326 char **make_augmented_environ(const char *const *vars);
327 void free_environ(char **env);
330 * A replacement of main() that ensures that argv[0] has a path
331 * and that default fmode and std(in|out|err) are in binary mode
334 #define main(c,v) dummy_decl_mingw_main(); \
335 static int mingw_main(); \
336 int main(int argc, const char **argv) \
338 extern CRITICAL_SECTION pinfo_cs; \
339 _fmode = _O_BINARY; \
340 _setmode(_fileno(stdin), _O_BINARY); \
341 _setmode(_fileno(stdout), _O_BINARY); \
342 _setmode(_fileno(stderr), _O_BINARY); \
343 argv[0] = xstrdup(_pgmptr); \
344 InitializeCriticalSection(&pinfo_cs); \
345 return mingw_main(argc, argv); \
347 static int mingw_main(c,v)
350 * Used by Pthread API implementation for Windows
352 extern int err_win_to_posix(DWORD winerr);