5a3bcee29b7e39f52dcae40aeed611c01cec920e
[git/git.git] / compat / mingw.h
1 #include <winsock2.h>
2
3 /*
4 * things that are not available in header files
5 */
6
7 typedef int pid_t;
8 #define hstrerror strerror
9
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
19
20 #define WIFEXITED(x) ((unsigned)(x) < 259) /* STILL_ACTIVE */
21 #define WEXITSTATUS(x) ((x) & 0xff)
22 #define WIFSIGNALED(x) ((unsigned)(x) > 259)
23
24 #define SIGKILL 0
25 #define SIGCHLD 0
26 #define SIGPIPE 0
27 #define SIGHUP 0
28 #define SIGQUIT 0
29 #define SIGALRM 100
30
31 #define F_GETFD 1
32 #define F_SETFD 2
33 #define FD_CLOEXEC 0x1
34
35 struct passwd {
36 char *pw_name;
37 char *pw_gecos;
38 char *pw_dir;
39 };
40
41 struct pollfd {
42 int fd; /* file descriptor */
43 short events; /* requested events */
44 short revents; /* returned events */
45 };
46 #define POLLIN 1
47 #define POLLHUP 2
48
49 typedef void (__cdecl *sig_handler_t)(int);
50 struct sigaction {
51 sig_handler_t sa_handler;
52 unsigned sa_flags;
53 };
54 #define sigemptyset(x) (void)0
55 #define SA_RESTART 0
56
57 struct itimerval {
58 struct timeval it_value, it_interval;
59 };
60 #define ITIMER_REAL 0
61
62 /*
63 * trivial stubs
64 */
65
66 static inline int readlink(const char *path, char *buf, size_t bufsiz)
67 { errno = ENOSYS; return -1; }
68 static inline int symlink(const char *oldpath, const char *newpath)
69 { errno = ENOSYS; return -1; }
70 static inline int link(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)
83 {}
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)
89 {
90 if (cmd == F_GETFD || cmd == F_SETFD)
91 return 0;
92 errno = EINVAL;
93 return -1;
94 }
95
96 /*
97 * simple adaptors
98 */
99
100 static inline int mingw_mkdir(const char *path, int mode)
101 {
102 return mkdir(path);
103 }
104 #define mkdir mingw_mkdir
105
106 static inline int mingw_unlink(const char *pathname)
107 {
108 /* read-only files cannot be removed */
109 chmod(pathname, 0666);
110 return unlink(pathname);
111 }
112 #define unlink mingw_unlink
113
114 static inline int waitpid(pid_t pid, unsigned *status, unsigned options)
115 {
116 if (options == 0)
117 return _cwait(status, pid, 0);
118 errno = EINVAL;
119 return -1;
120 }
121
122 /*
123 * implementations of missing functions
124 */
125
126 int pipe(int filedes[2]);
127 unsigned int sleep (unsigned int seconds);
128 int mkstemp(char *template);
129 int gettimeofday(struct timeval *tv, void *tz);
130 int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
131 struct tm *gmtime_r(const time_t *timep, struct tm *result);
132 struct tm *localtime_r(const time_t *timep, struct tm *result);
133 int getpagesize(void); /* defined in MinGW's libgcc.a */
134 struct passwd *getpwuid(int uid);
135 int setitimer(int type, struct itimerval *in, struct itimerval *out);
136 int sigaction(int sig, struct sigaction *in, struct sigaction *out);
137
138 /*
139 * replacements of existing functions
140 */
141
142 int mingw_open (const char *filename, int oflags, ...);
143 #define open mingw_open
144
145 char *mingw_getcwd(char *pointer, int len);
146 #define getcwd mingw_getcwd
147
148 char *mingw_getenv(const char *name);
149 #define getenv mingw_getenv
150
151 struct hostent *mingw_gethostbyname(const char *host);
152 #define gethostbyname mingw_gethostbyname
153
154 int mingw_socket(int domain, int type, int protocol);
155 #define socket mingw_socket
156
157 int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
158 #define connect mingw_connect
159
160 int mingw_rename(const char*, const char*);
161 #define rename mingw_rename
162
163 /* Use mingw_lstat() instead of lstat()/stat() and
164 * mingw_fstat() instead of fstat() on Windows.
165 * struct stat is redefined because it lacks the st_blocks member.
166 */
167 struct mingw_stat {
168 unsigned st_mode;
169 time_t st_mtime, st_atime, st_ctime;
170 unsigned st_dev, st_ino, st_uid, st_gid;
171 size_t st_size;
172 size_t st_blocks;
173 };
174 int mingw_lstat(const char *file_name, struct mingw_stat *buf);
175 int mingw_fstat(int fd, struct mingw_stat *buf);
176 #define fstat mingw_fstat
177 #define lstat mingw_lstat
178 #define stat mingw_stat
179 static inline int mingw_stat(const char *file_name, struct mingw_stat *buf)
180 { return mingw_lstat(file_name, buf); }
181
182 int mingw_utime(const char *file_name, const struct utimbuf *times);
183 #define utime mingw_utime
184
185 pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env);
186 void mingw_execvp(const char *cmd, char *const *argv);
187 #define execvp mingw_execvp
188
189 static inline unsigned int git_ntohl(unsigned int x)
190 { return (unsigned int)ntohl(x); }
191 #define ntohl git_ntohl
192
193 sig_handler_t mingw_signal(int sig, sig_handler_t handler);
194 #define signal mingw_signal
195
196 /*
197 * git specific compatibility
198 */
199
200 #define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
201 #define is_dir_sep(c) ((c) == '/' || (c) == '\\')
202 #define PATH_SEP ';'
203 #define PRIuMAX "I64u"
204
205 void mingw_open_html(const char *path);
206 #define open_html mingw_open_html
207
208 /*
209 * helpers
210 */
211
212 char **copy_environ(void);
213 void free_environ(char **env);
214 char **env_setenv(char **env, const char *name);