68db8b7f7d26b399ee435ed03c6f4c2d3dfaa528
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
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
52struct passwd {
53 char *pw_name;
54 char *pw_gecos;
55 char *pw_dir;
56};
57
58extern char *getpass(const char *prompt);
59
60typedef void (__cdecl *sig_handler_t)(int);
61struct sigaction {
62 sig_handler_t sa_handler;
63 unsigned sa_flags;
64};
65#define sigemptyset(x) (void)0
66#define SA_RESTART 0
67
68struct itimerval {
69 struct timeval it_value, it_interval;
70};
71#define ITIMER_REAL 0
72
73/*
74 * sanitize preprocessor namespace polluted by Windows headers defining
75 * macros which collide with git local versions
76 */
77#undef HELP_COMMAND /* from winuser.h */
78
79/*
80 * trivial stubs
81 */
82
83static inline int readlink(const char *path, char *buf, size_t bufsiz)
84{ errno = ENOSYS; return -1; }
85static inline int symlink(const char *oldpath, const char *newpath)
86{ errno = ENOSYS; return -1; }
87static inline int fchmod(int fildes, mode_t mode)
88{ errno = ENOSYS; return -1; }
89static inline pid_t fork(void)
90{ errno = ENOSYS; return -1; }
91static inline unsigned int alarm(unsigned int seconds)
92{ return 0; }
93static inline int fsync(int fd)
94{ return _commit(fd); }
95static inline pid_t getppid(void)
96{ return 1; }
97static inline void sync(void)
98{}
99static inline uid_t getuid(void)
100{ return 1; }
101static inline struct passwd *getpwnam(const char *name)
102{ return NULL; }
103static inline int fcntl(int fd, int cmd, ...)
104{
105 if (cmd == F_GETFD || cmd == F_SETFD)
106 return 0;
107 errno = EINVAL;
108 return -1;
109}
110/* bash cannot reliably detect negative return codes as failure */
111#define exit(code) exit((code) & 0xff)
112
113/*
114 * simple adaptors
115 */
116
117static inline int mingw_mkdir(const char *path, int mode)
118{
119 return mkdir(path);
120}
121#define mkdir mingw_mkdir
122
123#define WNOHANG 1
124pid_t waitpid(pid_t pid, int *status, int options);
125
126#define kill mingw_kill
127int mingw_kill(pid_t pid, int sig);
128
129#ifndef NO_OPENSSL
130#include <openssl/ssl.h>
131static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
132{
133 return SSL_set_fd(ssl, _get_osfhandle(fd));
134}
135#define SSL_set_fd mingw_SSL_set_fd
136
137static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
138{
139 return SSL_set_rfd(ssl, _get_osfhandle(fd));
140}
141#define SSL_set_rfd mingw_SSL_set_rfd
142
143static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
144{
145 return SSL_set_wfd(ssl, _get_osfhandle(fd));
146}
147#define SSL_set_wfd mingw_SSL_set_wfd
148#endif
149
150/*
151 * implementations of missing functions
152 */
153
154int pipe(int filedes[2]);
155unsigned int sleep (unsigned int seconds);
156int mkstemp(char *template);
157int gettimeofday(struct timeval *tv, void *tz);
158struct tm *gmtime_r(const time_t *timep, struct tm *result);
159struct tm *localtime_r(const time_t *timep, struct tm *result);
160int getpagesize(void); /* defined in MinGW's libgcc.a */
161struct passwd *getpwuid(uid_t uid);
162int setitimer(int type, struct itimerval *in, struct itimerval *out);
163int sigaction(int sig, struct sigaction *in, struct sigaction *out);
164int link(const char *oldpath, const char *newpath);
165
166/*
167 * replacements of existing functions
168 */
169
170int mingw_unlink(const char *pathname);
171#define unlink mingw_unlink
172
173int mingw_rmdir(const char *path);
174#define rmdir mingw_rmdir
175
176int mingw_open (const char *filename, int oflags, ...);
177#define open mingw_open
178
179ssize_t mingw_write(int fd, const void *buf, size_t count);
180#define write mingw_write
181
182int mingw_fgetc(FILE *stream);
183#define fgetc mingw_fgetc
184
185FILE *mingw_fopen (const char *filename, const char *otype);
186#define fopen mingw_fopen
187
188FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
189#define freopen mingw_freopen
190
191int mingw_fflush(FILE *stream);
192#define fflush mingw_fflush
193
194char *mingw_getcwd(char *pointer, int len);
195#define getcwd mingw_getcwd
196
197char *mingw_getenv(const char *name);
198#define getenv mingw_getenv
199
200int mingw_gethostname(char *host, int namelen);
201#define gethostname mingw_gethostname
202
203struct hostent *mingw_gethostbyname(const char *host);
204#define gethostbyname mingw_gethostbyname
205
206void mingw_freeaddrinfo(struct addrinfo *res);
207#define freeaddrinfo mingw_freeaddrinfo
208
209int mingw_getaddrinfo(const char *node, const char *service,
210 const struct addrinfo *hints, struct addrinfo **res);
211#define getaddrinfo mingw_getaddrinfo
212
213int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
214 char *host, DWORD hostlen, char *serv, DWORD servlen,
215 int flags);
216#define getnameinfo mingw_getnameinfo
217
218int mingw_socket(int domain, int type, int protocol);
219#define socket mingw_socket
220
221int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
222#define connect mingw_connect
223
224int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
225#define bind mingw_bind
226
227int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
228#define setsockopt mingw_setsockopt
229
230int mingw_shutdown(int sockfd, int how);
231#define shutdown mingw_shutdown
232
233int mingw_listen(int sockfd, int backlog);
234#define listen mingw_listen
235
236int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
237#define accept mingw_accept
238
239int mingw_rename(const char*, const char*);
240#define rename mingw_rename
241
242#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
243int mingw_getpagesize(void);
244#define getpagesize mingw_getpagesize
245#endif
246
247struct rlimit {
248 unsigned int rlim_cur;
249};
250#define RLIMIT_NOFILE 0
251
252static inline int getrlimit(int resource, struct rlimit *rlp)
253{
254 if (resource != RLIMIT_NOFILE) {
255 errno = EINVAL;
256 return -1;
257 }
258
259 rlp->rlim_cur = 2048;
260 return 0;
261}
262
263/* Use mingw_lstat() instead of lstat()/stat() and
264 * mingw_fstat() instead of fstat() on Windows.
265 */
266#define off_t off64_t
267#define lseek _lseeki64
268#ifndef ALREADY_DECLARED_STAT_FUNCS
269#define stat _stati64
270int mingw_lstat(const char *file_name, struct stat *buf);
271int mingw_stat(const char *file_name, struct stat *buf);
272int mingw_fstat(int fd, struct stat *buf);
273#define fstat mingw_fstat
274#define lstat mingw_lstat
275#define _stati64(x,y) mingw_stat(x,y)
276#endif
277
278int mingw_utime(const char *file_name, const struct utimbuf *times);
279#define utime mingw_utime
280
281pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
282 const char *dir,
283 int fhin, int fhout, int fherr);
284int mingw_execvp(const char *cmd, char *const *argv);
285#define execvp mingw_execvp
286int mingw_execv(const char *cmd, char *const *argv);
287#define execv mingw_execv
288
289static inline unsigned int git_ntohl(unsigned int x)
290{ return (unsigned int)ntohl(x); }
291#define ntohl git_ntohl
292
293sig_handler_t mingw_signal(int sig, sig_handler_t handler);
294#define signal mingw_signal
295
296int mingw_raise(int sig);
297#define raise mingw_raise
298
299/*
300 * ANSI emulation wrappers
301 */
302
303int winansi_fputs(const char *str, FILE *stream);
304int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
305int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
306#define fputs winansi_fputs
307#define printf(...) winansi_printf(__VA_ARGS__)
308#define fprintf(...) winansi_fprintf(__VA_ARGS__)
309
310/*
311 * git specific compatibility
312 */
313
314#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
315#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
316static inline char *mingw_find_last_dir_sep(const char *path)
317{
318 char *ret = NULL;
319 for (; *path; ++path)
320 if (is_dir_sep(*path))
321 ret = (char *)path;
322 return ret;
323}
324#define find_last_dir_sep mingw_find_last_dir_sep
325#define PATH_SEP ';'
326#define PRIuMAX "I64u"
327
328void mingw_open_html(const char *path);
329#define open_html mingw_open_html
330
331/*
332 * helpers
333 */
334
335char **make_augmented_environ(const char *const *vars);
336void free_environ(char **env);
337
338/*
339 * A replacement of main() that ensures that argv[0] has a path
340 * and that default fmode and std(in|out|err) are in binary mode
341 */
342
343#define main(c,v) dummy_decl_mingw_main(); \
344static int mingw_main(); \
345int main(int argc, const char **argv) \
346{ \
347 extern CRITICAL_SECTION pinfo_cs; \
348 _fmode = _O_BINARY; \
349 _setmode(_fileno(stdin), _O_BINARY); \
350 _setmode(_fileno(stdout), _O_BINARY); \
351 _setmode(_fileno(stderr), _O_BINARY); \
352 argv[0] = xstrdup(_pgmptr); \
353 InitializeCriticalSection(&pinfo_cs); \
354 return mingw_main(argc, argv); \
355} \
356static int mingw_main(c,v)
357
358/*
359 * Used by Pthread API implementation for Windows
360 */
361extern int err_win_to_posix(DWORD winerr);