cafc1eb08a71dd60566a7389ed606e777cf17fc8
1#include <winsock2.h>
2#include <ws2tcpip.h>
3
4/*
5 * things that are not available in header files
6 */
7
8typedef int pid_t;
9typedef int uid_t;
10typedef 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#define S_ISUID 0
26#define S_ISGID 0
27#define S_ISVTX 0
28
29#define WIFEXITED(x) 1
30#define WIFSIGNALED(x) 0
31#define WEXITSTATUS(x) ((x) & 0xff)
32#define WTERMSIG(x) SIGTERM
33
34#define EWOULDBLOCK EAGAIN
35#define SHUT_WR SD_SEND
36
37#define SIGHUP 1
38#define SIGQUIT 3
39#define SIGKILL 9
40#define SIGPIPE 13
41#define SIGALRM 14
42#define SIGCHLD 17
43
44#define F_GETFD 1
45#define F_SETFD 2
46#define FD_CLOEXEC 0x1
47
48#define EAFNOSUPPORT WSAEAFNOSUPPORT
49#define ECONNABORTED WSAECONNABORTED
50
51struct passwd {
52 char *pw_name;
53 char *pw_gecos;
54 char *pw_dir;
55};
56
57extern char *getpass(const char *prompt);
58
59typedef void (__cdecl *sig_handler_t)(int);
60struct sigaction {
61 sig_handler_t sa_handler;
62 unsigned sa_flags;
63};
64#define sigemptyset(x) (void)0
65#define SA_RESTART 0
66
67struct itimerval {
68 struct timeval it_value, it_interval;
69};
70#define ITIMER_REAL 0
71
72/*
73 * sanitize preprocessor namespace polluted by Windows headers defining
74 * macros which collide with git local versions
75 */
76#undef HELP_COMMAND /* from winuser.h */
77
78/*
79 * trivial stubs
80 */
81
82static inline int readlink(const char *path, char *buf, size_t bufsiz)
83{ errno = ENOSYS; return -1; }
84static inline int symlink(const char *oldpath, const char *newpath)
85{ errno = ENOSYS; return -1; }
86static inline int fchmod(int fildes, mode_t mode)
87{ errno = ENOSYS; return -1; }
88static inline pid_t fork(void)
89{ errno = ENOSYS; return -1; }
90static inline unsigned int alarm(unsigned int seconds)
91{ return 0; }
92static inline int fsync(int fd)
93{ return _commit(fd); }
94static inline pid_t getppid(void)
95{ return 1; }
96static inline void sync(void)
97{}
98static inline uid_t getuid(void)
99{ return 1; }
100static inline struct passwd *getpwnam(const char *name)
101{ return NULL; }
102static inline int fcntl(int fd, int cmd, ...)
103{
104 if (cmd == F_GETFD || cmd == F_SETFD)
105 return 0;
106 errno = EINVAL;
107 return -1;
108}
109/* bash cannot reliably detect negative return codes as failure */
110#define exit(code) exit((code) & 0xff)
111
112/*
113 * simple adaptors
114 */
115
116static inline int mingw_mkdir(const char *path, int mode)
117{
118 return mkdir(path);
119}
120#define mkdir mingw_mkdir
121
122static inline int mingw_unlink(const char *pathname)
123{
124 /* read-only files cannot be removed */
125 chmod(pathname, 0666);
126 return unlink(pathname);
127}
128#define unlink mingw_unlink
129
130#define WNOHANG 1
131pid_t waitpid(pid_t pid, int *status, unsigned options);
132
133#define kill mingw_kill
134int mingw_kill(pid_t pid, int sig);
135
136#ifndef NO_OPENSSL
137#include <openssl/ssl.h>
138static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
139{
140 return SSL_set_fd(ssl, _get_osfhandle(fd));
141}
142#define SSL_set_fd mingw_SSL_set_fd
143
144static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
145{
146 return SSL_set_rfd(ssl, _get_osfhandle(fd));
147}
148#define SSL_set_rfd mingw_SSL_set_rfd
149
150static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
151{
152 return SSL_set_wfd(ssl, _get_osfhandle(fd));
153}
154#define SSL_set_wfd mingw_SSL_set_wfd
155#endif
156
157/*
158 * implementations of missing functions
159 */
160
161int pipe(int filedes[2]);
162unsigned int sleep (unsigned int seconds);
163int mkstemp(char *template);
164int gettimeofday(struct timeval *tv, void *tz);
165struct tm *gmtime_r(const time_t *timep, struct tm *result);
166struct tm *localtime_r(const time_t *timep, struct tm *result);
167int getpagesize(void); /* defined in MinGW's libgcc.a */
168struct passwd *getpwuid(uid_t uid);
169int setitimer(int type, struct itimerval *in, struct itimerval *out);
170int sigaction(int sig, struct sigaction *in, struct sigaction *out);
171int link(const char *oldpath, const char *newpath);
172
173/*
174 * replacements of existing functions
175 */
176
177int mingw_open (const char *filename, int oflags, ...);
178#define open mingw_open
179
180ssize_t mingw_write(int fd, const void *buf, size_t count);
181#define write mingw_write
182
183FILE *mingw_fopen (const char *filename, const char *otype);
184#define fopen mingw_fopen
185
186FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
187#define freopen mingw_freopen
188
189char *mingw_getcwd(char *pointer, int len);
190#define getcwd mingw_getcwd
191
192char *mingw_getenv(const char *name);
193#define getenv mingw_getenv
194
195struct hostent *mingw_gethostbyname(const char *host);
196#define gethostbyname mingw_gethostbyname
197
198void mingw_freeaddrinfo(struct addrinfo *res);
199#define freeaddrinfo mingw_freeaddrinfo
200
201int mingw_getaddrinfo(const char *node, const char *service,
202 const struct addrinfo *hints, struct addrinfo **res);
203#define getaddrinfo mingw_getaddrinfo
204
205int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
206 char *host, DWORD hostlen, char *serv, DWORD servlen,
207 int flags);
208#define getnameinfo mingw_getnameinfo
209
210int mingw_socket(int domain, int type, int protocol);
211#define socket mingw_socket
212
213int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
214#define connect mingw_connect
215
216int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
217#define bind mingw_bind
218
219int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
220#define setsockopt mingw_setsockopt
221
222int mingw_listen(int sockfd, int backlog);
223#define listen mingw_listen
224
225int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
226#define accept mingw_accept
227
228int mingw_rename(const char*, const char*);
229#define rename mingw_rename
230
231#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
232int mingw_getpagesize(void);
233#define getpagesize mingw_getpagesize
234#endif
235
236/* Use mingw_lstat() instead of lstat()/stat() and
237 * mingw_fstat() instead of fstat() on Windows.
238 */
239#define off_t off64_t
240#define lseek _lseeki64
241#ifndef ALREADY_DECLARED_STAT_FUNCS
242#define stat _stati64
243int mingw_lstat(const char *file_name, struct stat *buf);
244int mingw_stat(const char *file_name, struct stat *buf);
245int mingw_fstat(int fd, struct stat *buf);
246#define fstat mingw_fstat
247#define lstat mingw_lstat
248#define _stati64(x,y) mingw_stat(x,y)
249#endif
250
251int mingw_utime(const char *file_name, const struct utimbuf *times);
252#define utime mingw_utime
253
254pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
255 const char *dir,
256 int fhin, int fhout, int fherr);
257void mingw_execvp(const char *cmd, char *const *argv);
258#define execvp mingw_execvp
259void mingw_execv(const char *cmd, char *const *argv);
260#define execv mingw_execv
261
262static inline unsigned int git_ntohl(unsigned int x)
263{ return (unsigned int)ntohl(x); }
264#define ntohl git_ntohl
265
266sig_handler_t mingw_signal(int sig, sig_handler_t handler);
267#define signal mingw_signal
268
269/*
270 * ANSI emulation wrappers
271 */
272
273int winansi_fputs(const char *str, FILE *stream);
274int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
275int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
276#define fputs winansi_fputs
277#define printf(...) winansi_printf(__VA_ARGS__)
278#define fprintf(...) winansi_fprintf(__VA_ARGS__)
279
280/*
281 * git specific compatibility
282 */
283
284#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
285#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
286#define PATH_SEP ';'
287#define PRIuMAX "I64u"
288
289void mingw_open_html(const char *path);
290#define open_html mingw_open_html
291
292/*
293 * helpers
294 */
295
296char **make_augmented_environ(const char *const *vars);
297void free_environ(char **env);
298
299/*
300 * A replacement of main() that ensures that argv[0] has a path
301 * and that default fmode and std(in|out|err) are in binary mode
302 */
303
304#define main(c,v) dummy_decl_mingw_main(); \
305static int mingw_main(); \
306int main(int argc, const char **argv) \
307{ \
308 extern CRITICAL_SECTION pinfo_cs; \
309 _fmode = _O_BINARY; \
310 _setmode(_fileno(stdin), _O_BINARY); \
311 _setmode(_fileno(stdout), _O_BINARY); \
312 _setmode(_fileno(stderr), _O_BINARY); \
313 argv[0] = xstrdup(_pgmptr); \
314 InitializeCriticalSection(&pinfo_cs); \
315 return mingw_main(argc, argv); \
316} \
317static int mingw_main(c,v)
318
319/*
320 * Used by Pthread API implementation for Windows
321 */
322extern int err_win_to_posix(DWORD winerr);