Merge branch 'lt/dir-cleanup'
[git/spearce.git] / compat / mingw.h
blobc1859c5480f67dbe9640975d68407f2c1efd15f5
1 #include <winsock2.h>
3 /*
4 * things that are not available in header files
5 */
7 typedef int pid_t;
8 #define hstrerror strerror
10 #define S_IFLNK 0120000 /* Symbolic link */
11 #define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
12 #define S_ISSOCK(x) 0
13 #define S_IRGRP 0
14 #define S_IWGRP 0
15 #define S_IXGRP 0
16 #define S_ISGID 0
17 #define S_IROTH 0
18 #define S_IXOTH 0
20 #define WIFEXITED(x) ((unsigned)(x) < 259) /* STILL_ACTIVE */
21 #define WEXITSTATUS(x) ((x) & 0xff)
22 #define WIFSIGNALED(x) ((unsigned)(x) > 259)
24 #define SIGHUP 1
25 #define SIGQUIT 3
26 #define SIGKILL 9
27 #define SIGPIPE 13
28 #define SIGALRM 14
29 #define SIGCHLD 17
31 #define F_GETFD 1
32 #define F_SETFD 2
33 #define FD_CLOEXEC 0x1
35 struct passwd {
36 char *pw_name;
37 char *pw_gecos;
38 char *pw_dir;
41 extern char *getpass(const char *prompt);
43 struct pollfd {
44 int fd; /* file descriptor */
45 short events; /* requested events */
46 short revents; /* returned events */
48 #define POLLIN 1
49 #define POLLHUP 2
51 typedef void (__cdecl *sig_handler_t)(int);
52 struct sigaction {
53 sig_handler_t sa_handler;
54 unsigned sa_flags;
56 #define sigemptyset(x) (void)0
57 #define SA_RESTART 0
59 struct itimerval {
60 struct timeval it_value, it_interval;
62 #define ITIMER_REAL 0
65 * trivial stubs
68 static inline int readlink(const char *path, char *buf, size_t bufsiz)
69 { errno = ENOSYS; return -1; }
70 static inline int symlink(const char *oldpath, const char *newpath)
71 { errno = ENOSYS; return -1; }
72 static inline int fchmod(int fildes, mode_t mode)
73 { errno = ENOSYS; return -1; }
74 static inline int fork(void)
75 { errno = ENOSYS; return -1; }
76 static inline unsigned int alarm(unsigned int seconds)
77 { return 0; }
78 static inline int fsync(int fd)
79 { return 0; }
80 static inline int getppid(void)
81 { return 1; }
82 static inline void sync(void)
84 static inline int getuid()
85 { return 1; }
86 static inline struct passwd *getpwnam(const char *name)
87 { return NULL; }
88 static inline int fcntl(int fd, int cmd, long arg)
90 if (cmd == F_GETFD || cmd == F_SETFD)
91 return 0;
92 errno = EINVAL;
93 return -1;
95 /* bash cannot reliably detect negative return codes as failure */
96 #define exit(code) exit((code) & 0xff)
99 * simple adaptors
102 static inline int mingw_mkdir(const char *path, int mode)
104 return mkdir(path);
106 #define mkdir mingw_mkdir
108 static inline int mingw_unlink(const char *pathname)
110 /* read-only files cannot be removed */
111 chmod(pathname, 0666);
112 return unlink(pathname);
114 #define unlink mingw_unlink
116 static inline int waitpid(pid_t pid, int *status, unsigned options)
118 if (options == 0)
119 return _cwait(status, pid, 0);
120 errno = EINVAL;
121 return -1;
125 * implementations of missing functions
128 int pipe(int filedes[2]);
129 unsigned int sleep (unsigned int seconds);
130 int mkstemp(char *template);
131 int gettimeofday(struct timeval *tv, void *tz);
132 int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
133 struct tm *gmtime_r(const time_t *timep, struct tm *result);
134 struct tm *localtime_r(const time_t *timep, struct tm *result);
135 int getpagesize(void); /* defined in MinGW's libgcc.a */
136 struct passwd *getpwuid(int uid);
137 int setitimer(int type, struct itimerval *in, struct itimerval *out);
138 int sigaction(int sig, struct sigaction *in, struct sigaction *out);
139 int link(const char *oldpath, const char *newpath);
142 * replacements of existing functions
145 int mingw_open (const char *filename, int oflags, ...);
146 #define open mingw_open
148 char *mingw_getcwd(char *pointer, int len);
149 #define getcwd mingw_getcwd
151 char *mingw_getenv(const char *name);
152 #define getenv mingw_getenv
154 struct hostent *mingw_gethostbyname(const char *host);
155 #define gethostbyname mingw_gethostbyname
157 int mingw_socket(int domain, int type, int protocol);
158 #define socket mingw_socket
160 int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
161 #define connect mingw_connect
163 int mingw_rename(const char*, const char*);
164 #define rename mingw_rename
166 #ifdef USE_WIN32_MMAP
167 int mingw_getpagesize(void);
168 #define getpagesize mingw_getpagesize
169 #endif
171 /* Use mingw_lstat() instead of lstat()/stat() and
172 * mingw_fstat() instead of fstat() on Windows.
174 #define off_t off64_t
175 #define stat _stati64
176 #define lseek _lseeki64
177 int mingw_lstat(const char *file_name, struct stat *buf);
178 int mingw_fstat(int fd, struct stat *buf);
179 #define fstat mingw_fstat
180 #define lstat mingw_lstat
181 #define _stati64(x,y) mingw_lstat(x,y)
183 int mingw_utime(const char *file_name, const struct utimbuf *times);
184 #define utime mingw_utime
186 pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env);
187 void mingw_execvp(const char *cmd, char *const *argv);
188 #define execvp mingw_execvp
190 static inline unsigned int git_ntohl(unsigned int x)
191 { return (unsigned int)ntohl(x); }
192 #define ntohl git_ntohl
194 sig_handler_t mingw_signal(int sig, sig_handler_t handler);
195 #define signal mingw_signal
198 * ANSI emulation wrappers
201 int winansi_fputs(const char *str, FILE *stream);
202 int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
203 int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
204 #define fputs winansi_fputs
205 #define printf(...) winansi_printf(__VA_ARGS__)
206 #define fprintf(...) winansi_fprintf(__VA_ARGS__)
209 * git specific compatibility
212 #define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
213 #define is_dir_sep(c) ((c) == '/' || (c) == '\\')
214 #define PATH_SEP ';'
215 #define PRIuMAX "I64u"
217 void mingw_open_html(const char *path);
218 #define open_html mingw_open_html
221 * helpers
224 char **copy_environ(void);
225 void free_environ(char **env);
226 char **env_setenv(char **env, const char *name);
229 * A replacement of main() that ensures that argv[0] has a path
232 #define main(c,v) dummy_decl_mingw_main(); \
233 static int mingw_main(); \
234 int main(int argc, const char **argv) \
236 argv[0] = xstrdup(_pgmptr); \
237 return mingw_main(argc, argv); \
239 static int mingw_main(c,v)
241 #ifndef NO_MINGW_REPLACE_READDIR
243 * A replacement of readdir, to ensure that it reads the file type at
244 * the same time. This avoid extra unneeded lstats in git on MinGW
246 #undef DT_UNKNOWN
247 #undef DT_DIR
248 #undef DT_REG
249 #undef DT_LNK
250 #define DT_UNKNOWN 0
251 #define DT_DIR 1
252 #define DT_REG 2
253 #define DT_LNK 3
255 struct mingw_dirent
257 long d_ino; /* Always zero. */
258 union {
259 unsigned short d_reclen; /* Always zero. */
260 unsigned char d_type; /* Reimplementation adds this */
262 unsigned short d_namlen; /* Length of name in d_name. */
263 char d_name[FILENAME_MAX]; /* File name. */
265 #define dirent mingw_dirent
266 #define readdir(x) mingw_readdir(x)
267 struct dirent *mingw_readdir(DIR *dir);
268 #endif // !NO_MINGW_REPLACE_READDIR