summaryrefslogtreecommitdiff
path: root/compat/mingw.h
blob: 35d9813b6badb34068601f35302f8859a786db05 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
#include <winsock2.h>
#include <ws2tcpip.h>
 
/*
 * things that are not available in header files
 */
 
typedef int pid_t;
typedef int uid_t;
typedef int socklen_t;
#define hstrerror strerror
 
#define S_IFLNK    0120000 /* Symbolic link */
#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
#define S_ISSOCK(x) 0
 
#ifndef _STAT_H_
#define S_IRUSR 0
#define S_IWUSR 0
#define S_IXUSR 0
#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
#endif
#define S_IRGRP 0
#define S_IWGRP 0
#define S_IXGRP 0
#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
#define S_IROTH 0
#define S_IWOTH 0
#define S_IXOTH 0
#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
#define S_ISUID 0
#define S_ISGID 0
#define S_ISVTX 0
 
#define WIFEXITED(x) 1
#define WIFSIGNALED(x) 0
#define WEXITSTATUS(x) ((x) & 0xff)
#define WTERMSIG(x) SIGTERM
 
#define EWOULDBLOCK EAGAIN
#define SHUT_WR SD_SEND
 
#define SIGHUP 1
#define SIGQUIT 3
#define SIGKILL 9
#define SIGPIPE 13
#define SIGALRM 14
#define SIGCHLD 17
 
#define F_GETFD 1
#define F_SETFD 2
#define FD_CLOEXEC 0x1
 
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#define ECONNABORTED WSAECONNABORTED
 
struct passwd {
	char *pw_name;
	char *pw_gecos;
	char *pw_dir;
};
 
extern char *getpass(const char *prompt);
 
typedef void (__cdecl *sig_handler_t)(int);
struct sigaction {
	sig_handler_t sa_handler;
	unsigned sa_flags;
};
#define sigemptyset(x) (void)0
#define SA_RESTART 0
 
struct itimerval {
	struct timeval it_value, it_interval;
};
#define ITIMER_REAL 0
 
/*
 * sanitize preprocessor namespace polluted by Windows headers defining
 * macros which collide with git local versions
 */
#undef HELP_COMMAND /* from winuser.h */
 
/*
 * trivial stubs
 */
 
static inline int readlink(const char *path, char *buf, size_t bufsiz)
{ errno = ENOSYS; return -1; }
static inline int symlink(const char *oldpath, const char *newpath)
{ errno = ENOSYS; return -1; }
static inline int fchmod(int fildes, mode_t mode)
{ errno = ENOSYS; return -1; }
static inline pid_t fork(void)
{ errno = ENOSYS; return -1; }
static inline unsigned int alarm(unsigned int seconds)
{ return 0; }
static inline int fsync(int fd)
{ return _commit(fd); }
static inline pid_t getppid(void)
{ return 1; }
static inline void sync(void)
{}
static inline uid_t getuid(void)
{ return 1; }
static inline struct passwd *getpwnam(const char *name)
{ return NULL; }
static inline int fcntl(int fd, int cmd, ...)
{
	if (cmd == F_GETFD || cmd == F_SETFD)
		return 0;
	errno = EINVAL;
	return -1;
}
/* bash cannot reliably detect negative return codes as failure */
#define exit(code) exit((code) & 0xff)
 
/*
 * simple adaptors
 */
 
static inline int mingw_mkdir(const char *path, int mode)
{
	return mkdir(path);
}
#define mkdir mingw_mkdir
 
static inline int mingw_unlink(const char *pathname)
{
	/* read-only files cannot be removed */
	chmod(pathname, 0666);
	return unlink(pathname);
}
#define unlink mingw_unlink
 
#define WNOHANG 1
pid_t waitpid(pid_t pid, int *status, unsigned options);
 
#define kill mingw_kill
int mingw_kill(pid_t pid, int sig);
 
#ifndef NO_OPENSSL
#include <openssl/ssl.h>
static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
{
	return SSL_set_fd(ssl, _get_osfhandle(fd));
}
#define SSL_set_fd mingw_SSL_set_fd
 
static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
{
	return SSL_set_rfd(ssl, _get_osfhandle(fd));
}
#define SSL_set_rfd mingw_SSL_set_rfd
 
static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
{
	return SSL_set_wfd(ssl, _get_osfhandle(fd));
}
#define SSL_set_wfd mingw_SSL_set_wfd
#endif
 
/*
 * implementations of missing functions
 */
 
int pipe(int filedes[2]);
unsigned int sleep (unsigned int seconds);
int mkstemp(char *template);
int gettimeofday(struct timeval *tv, void *tz);
struct tm *gmtime_r(const time_t *timep, struct tm *result);
struct tm *localtime_r(const time_t *timep, struct tm *result);
int getpagesize(void);	/* defined in MinGW's libgcc.a */
struct passwd *getpwuid(uid_t uid);
int setitimer(int type, struct itimerval *in, struct itimerval *out);
int sigaction(int sig, struct sigaction *in, struct sigaction *out);
int link(const char *oldpath, const char *newpath);
 
/*
 * replacements of existing functions
 */
 
int mingw_open (const char *filename, int oflags, ...);
#define open mingw_open
 
ssize_t mingw_write(int fd, const void *buf, size_t count);
#define write mingw_write
 
FILE *mingw_fopen (const char *filename, const char *otype);
#define fopen mingw_fopen
 
FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
#define freopen mingw_freopen
 
char *mingw_getcwd(char *pointer, int len);
#define getcwd mingw_getcwd
 
char *mingw_getenv(const char *name);
#define getenv mingw_getenv
 
struct hostent *mingw_gethostbyname(const char *host);
#define gethostbyname mingw_gethostbyname
 
void mingw_freeaddrinfo(struct addrinfo *res);
#define freeaddrinfo mingw_freeaddrinfo
 
int mingw_getaddrinfo(const char *node, const char *service,
		      const struct addrinfo *hints, struct addrinfo **res);
#define getaddrinfo mingw_getaddrinfo
 
int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
		      char *host, DWORD hostlen, char *serv, DWORD servlen,
		      int flags);
#define getnameinfo mingw_getnameinfo
 
int mingw_socket(int domain, int type, int protocol);
#define socket mingw_socket
 
int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
#define connect mingw_connect
 
int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
#define bind mingw_bind
 
int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
#define setsockopt mingw_setsockopt
 
int mingw_listen(int sockfd, int backlog);
#define listen mingw_listen
 
int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
#define accept mingw_accept
 
int mingw_rename(const char*, const char*);
#define rename mingw_rename
 
#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
int mingw_getpagesize(void);
#define getpagesize mingw_getpagesize
#endif
 
/* Use mingw_lstat() instead of lstat()/stat() and
 * mingw_fstat() instead of fstat() on Windows.
 */
#define off_t off64_t
#define lseek _lseeki64
#ifndef ALREADY_DECLARED_STAT_FUNCS
#define stat _stati64
int mingw_lstat(const char *file_name, struct stat *buf);
int mingw_stat(const char *file_name, struct stat *buf);
int mingw_fstat(int fd, struct stat *buf);
#define fstat mingw_fstat
#define lstat mingw_lstat
#define _stati64(x,y) mingw_stat(x,y)
#endif
 
int mingw_utime(const char *file_name, const struct utimbuf *times);
#define utime mingw_utime
 
pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
		     const char *dir,
		     int fhin, int fhout, int fherr);
void mingw_execvp(const char *cmd, char *const *argv);
#define execvp mingw_execvp
void mingw_execv(const char *cmd, char *const *argv);
#define execv mingw_execv
 
static inline unsigned int git_ntohl(unsigned int x)
{ return (unsigned int)ntohl(x); }
#define ntohl git_ntohl
 
sig_handler_t mingw_signal(int sig, sig_handler_t handler);
#define signal mingw_signal
 
/*
 * ANSI emulation wrappers
 */
 
int winansi_fputs(const char *str, FILE *stream);
int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
#define fputs winansi_fputs
#define printf(...) winansi_printf(__VA_ARGS__)
#define fprintf(...) winansi_fprintf(__VA_ARGS__)
 
/*
 * git specific compatibility
 */
 
#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
#define PATH_SEP ';'
#define PRIuMAX "I64u"
 
void mingw_open_html(const char *path);
#define open_html mingw_open_html
 
/*
 * helpers
 */
 
char **make_augmented_environ(const char *const *vars);
void free_environ(char **env);
 
/*
 * A replacement of main() that ensures that argv[0] has a path
 * and that default fmode and std(in|out|err) are in binary mode
 */
 
#define main(c,v) dummy_decl_mingw_main(); \
static int mingw_main(); \
int main(int argc, const char **argv) \
{ \
	extern CRITICAL_SECTION pinfo_cs; \
	_fmode = _O_BINARY; \
	_setmode(_fileno(stdin), _O_BINARY); \
	_setmode(_fileno(stdout), _O_BINARY); \
	_setmode(_fileno(stderr), _O_BINARY); \
	argv[0] = xstrdup(_pgmptr); \
	InitializeCriticalSection(&pinfo_cs); \
	return mingw_main(argc, argv); \
} \
static int mingw_main(c,v)
 
#ifndef NO_MINGW_REPLACE_READDIR
/*
 * A replacement of readdir, to ensure that it reads the file type at
 * the same time. This avoid extra unneeded lstats in git on MinGW
 */
#undef DT_UNKNOWN
#undef DT_DIR
#undef DT_REG
#undef DT_LNK
#define DT_UNKNOWN	0
#define DT_DIR		1
#define DT_REG		2
#define DT_LNK		3
 
struct mingw_dirent
{
	long		d_ino;			/* Always zero. */
	union {
		unsigned short	d_reclen;	/* Always zero. */
		unsigned char   d_type;		/* Reimplementation adds this */
	};
	unsigned short	d_namlen;		/* Length of name in d_name. */
	char		d_name[FILENAME_MAX];	/* File name. */
};
#define dirent mingw_dirent
#define readdir(x) mingw_readdir(x)
struct dirent *mingw_readdir(DIR *dir);
#endif // !NO_MINGW_REPLACE_READDIR
 
/*
 * Used by Pthread API implementation for Windows
 */
extern int err_win_to_posix(DWORD winerr);