Merge branch 'ab/perl-i18n'
[alt-git.git] / compat / mingw.h
blob0ff1e04812ef2491f15b1d40bb8e1c2977b26d98
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)
25 #define S_ISUID 0
26 #define S_ISGID 0
27 #define S_ISVTX 0
29 #define WIFEXITED(x) 1
30 #define WIFSIGNALED(x) 0
31 #define WEXITSTATUS(x) ((x) & 0xff)
32 #define WTERMSIG(x) SIGTERM
34 #define EWOULDBLOCK EAGAIN
35 #define SHUT_WR SD_SEND
37 #define SIGHUP 1
38 #define SIGQUIT 3
39 #define SIGKILL 9
40 #define SIGPIPE 13
41 #define SIGALRM 14
42 #define SIGCHLD 17
44 #define F_GETFD 1
45 #define F_SETFD 2
46 #define FD_CLOEXEC 0x1
48 #define EAFNOSUPPORT WSAEAFNOSUPPORT
49 #define ECONNABORTED WSAECONNABORTED
51 struct passwd {
52 char *pw_name;
53 char *pw_gecos;
54 char *pw_dir;
57 extern char *getpass(const char *prompt);
59 typedef void (__cdecl *sig_handler_t)(int);
60 struct sigaction {
61 sig_handler_t sa_handler;
62 unsigned sa_flags;
64 #define sigemptyset(x) (void)0
65 #define SA_RESTART 0
67 struct itimerval {
68 struct timeval it_value, it_interval;
70 #define ITIMER_REAL 0
73 * sanitize preprocessor namespace polluted by Windows headers defining
74 * macros which collide with git local versions
76 #undef HELP_COMMAND /* from winuser.h */
79 * trivial stubs
82 static inline int readlink(const char *path, char *buf, size_t bufsiz)
83 { errno = ENOSYS; return -1; }
84 static inline int symlink(const char *oldpath, const char *newpath)
85 { errno = ENOSYS; return -1; }
86 static inline int fchmod(int fildes, mode_t mode)
87 { errno = ENOSYS; return -1; }
88 static inline pid_t fork(void)
89 { errno = ENOSYS; return -1; }
90 static inline unsigned int alarm(unsigned int seconds)
91 { return 0; }
92 static inline int fsync(int fd)
93 { return _commit(fd); }
94 static inline pid_t getppid(void)
95 { return 1; }
96 static inline void sync(void)
98 static inline uid_t getuid(void)
99 { return 1; }
100 static inline struct passwd *getpwnam(const char *name)
101 { return NULL; }
102 static inline int fcntl(int fd, int cmd, ...)
104 if (cmd == F_GETFD || cmd == F_SETFD)
105 return 0;
106 errno = EINVAL;
107 return -1;
109 /* bash cannot reliably detect negative return codes as failure */
110 #define exit(code) exit((code) & 0xff)
113 * simple adaptors
116 static inline int mingw_mkdir(const char *path, int mode)
118 return mkdir(path);
120 #define mkdir mingw_mkdir
122 #define WNOHANG 1
123 pid_t waitpid(pid_t pid, int *status, int options);
125 #define kill mingw_kill
126 int mingw_kill(pid_t pid, int sig);
128 #ifndef NO_OPENSSL
129 #include <openssl/ssl.h>
130 static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
132 return SSL_set_fd(ssl, _get_osfhandle(fd));
134 #define SSL_set_fd mingw_SSL_set_fd
136 static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
138 return SSL_set_rfd(ssl, _get_osfhandle(fd));
140 #define SSL_set_rfd mingw_SSL_set_rfd
142 static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
144 return SSL_set_wfd(ssl, _get_osfhandle(fd));
146 #define SSL_set_wfd mingw_SSL_set_wfd
147 #endif
150 * implementations of missing functions
153 int pipe(int filedes[2]);
154 unsigned int sleep (unsigned int seconds);
155 int mkstemp(char *template);
156 int gettimeofday(struct timeval *tv, void *tz);
157 struct tm *gmtime_r(const time_t *timep, struct tm *result);
158 struct tm *localtime_r(const time_t *timep, struct tm *result);
159 int getpagesize(void); /* defined in MinGW's libgcc.a */
160 struct passwd *getpwuid(uid_t uid);
161 int setitimer(int type, struct itimerval *in, struct itimerval *out);
162 int sigaction(int sig, struct sigaction *in, struct sigaction *out);
163 int link(const char *oldpath, const char *newpath);
166 * replacements of existing functions
169 int mingw_unlink(const char *pathname);
170 #define unlink mingw_unlink
172 int mingw_rmdir(const char *path);
173 #define rmdir mingw_rmdir
175 int mingw_open (const char *filename, int oflags, ...);
176 #define open mingw_open
178 ssize_t mingw_write(int fd, const void *buf, size_t count);
179 #define write mingw_write
181 FILE *mingw_fopen (const char *filename, const char *otype);
182 #define fopen mingw_fopen
184 FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
185 #define freopen mingw_freopen
187 char *mingw_getcwd(char *pointer, int len);
188 #define getcwd mingw_getcwd
190 char *mingw_getenv(const char *name);
191 #define getenv mingw_getenv
193 int mingw_gethostname(char *host, int namelen);
194 #define gethostname mingw_gethostname
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 static inline char *mingw_find_last_dir_sep(const char *path)
308 char *ret = NULL;
309 for (; *path; ++path)
310 if (is_dir_sep(*path))
311 ret = (char *)path;
312 return ret;
314 #define find_last_dir_sep mingw_find_last_dir_sep
315 #define PATH_SEP ';'
316 #define PRIuMAX "I64u"
318 void mingw_open_html(const char *path);
319 #define open_html mingw_open_html
322 * helpers
325 char **make_augmented_environ(const char *const *vars);
326 void free_environ(char **env);
329 * A replacement of main() that ensures that argv[0] has a path
330 * and that default fmode and std(in|out|err) are in binary mode
333 #define main(c,v) dummy_decl_mingw_main(); \
334 static int mingw_main(); \
335 int main(int argc, const char **argv) \
337 extern CRITICAL_SECTION pinfo_cs; \
338 _fmode = _O_BINARY; \
339 _setmode(_fileno(stdin), _O_BINARY); \
340 _setmode(_fileno(stdout), _O_BINARY); \
341 _setmode(_fileno(stderr), _O_BINARY); \
342 argv[0] = xstrdup(_pgmptr); \
343 InitializeCriticalSection(&pinfo_cs); \
344 return mingw_main(argc, argv); \
346 static int mingw_main(c,v)
349 * Used by Pthread API implementation for Windows
351 extern int err_win_to_posix(DWORD winerr);