Fix a bunch of pointer declarations (codestyle)
[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 SIGHUP 1
25 #define SIGQUIT 3
26 #define SIGKILL 9
27 #define SIGPIPE 13
28 #define SIGALRM 14
29 #define SIGCHLD 17
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 fchmod(int fildes, mode_t mode)
71 { errno = ENOSYS; return -1; }
72 static inline int fork(void)
73 { errno = ENOSYS; return -1; }
74 static inline unsigned int alarm(unsigned int seconds)
75 { return 0; }
76 static inline int fsync(int fd)
77 { return 0; }
78 static inline int getppid(void)
79 { return 1; }
80 static inline void sync(void)
81 {}
82 static inline int getuid()
83 { return 1; }
84 static inline struct passwd *getpwnam(const char *name)
85 { return NULL; }
86 static inline int fcntl(int fd, int cmd, long arg)
87 {
88 if (cmd == F_GETFD || cmd == F_SETFD)
89 return 0;
90 errno = EINVAL;
91 return -1;
92 }
93
94 /*
95 * simple adaptors
96 */
97
98 static inline int mingw_mkdir(const char *path, int mode)
99 {
100 return mkdir(path);
101 }
102 #define mkdir mingw_mkdir
103
104 static inline int mingw_unlink(const char *pathname)
105 {
106 /* read-only files cannot be removed */
107 chmod(pathname, 0666);
108 return unlink(pathname);
109 }
110 #define unlink mingw_unlink
111
112 static inline int waitpid(pid_t pid, unsigned *status, unsigned options)
113 {
114 if (options == 0)
115 return _cwait(status, pid, 0);
116 errno = EINVAL;
117 return -1;
118 }
119
120 /*
121 * implementations of missing functions
122 */
123
124 int pipe(int filedes[2]);
125 unsigned int sleep (unsigned int seconds);
126 int mkstemp(char *template);
127 int gettimeofday(struct timeval *tv, void *tz);
128 int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
129 struct tm *gmtime_r(const time_t *timep, struct tm *result);
130 struct tm *localtime_r(const time_t *timep, struct tm *result);
131 int getpagesize(void); /* defined in MinGW's libgcc.a */
132 struct passwd *getpwuid(int uid);
133 int setitimer(int type, struct itimerval *in, struct itimerval *out);
134 int sigaction(int sig, struct sigaction *in, struct sigaction *out);
135 int link(const char *oldpath, const char *newpath);
136
137 /*
138 * replacements of existing functions
139 */
140
141 int mingw_open (const char *filename, int oflags, ...);
142 #define open mingw_open
143
144 char *mingw_getcwd(char *pointer, int len);
145 #define getcwd mingw_getcwd
146
147 char *mingw_getenv(const char *name);
148 #define getenv mingw_getenv
149
150 struct hostent *mingw_gethostbyname(const char *host);
151 #define gethostbyname mingw_gethostbyname
152
153 int mingw_socket(int domain, int type, int protocol);
154 #define socket mingw_socket
155
156 int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
157 #define connect mingw_connect
158
159 int mingw_rename(const char*, const char*);
160 #define rename mingw_rename
161
162 #ifdef USE_WIN32_MMAP
163 int mingw_getpagesize(void);
164 #define getpagesize mingw_getpagesize
165 #endif
166
167 /* Use mingw_lstat() instead of lstat()/stat() and
168 * mingw_fstat() instead of fstat() on Windows.
169 */
170 #define off_t off64_t
171 #define stat _stati64
172 #define lseek _lseeki64
173 int mingw_lstat(const char *file_name, struct stat *buf);
174 int mingw_fstat(int fd, struct stat *buf);
175 #define fstat mingw_fstat
176 #define lstat mingw_lstat
177 #define _stati64(x,y) mingw_lstat(x,y)
178
179 int mingw_utime(const char *file_name, const struct utimbuf *times);
180 #define utime mingw_utime
181
182 pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env);
183 void mingw_execvp(const char *cmd, char *const *argv);
184 #define execvp mingw_execvp
185
186 static inline unsigned int git_ntohl(unsigned int x)
187 { return (unsigned int)ntohl(x); }
188 #define ntohl git_ntohl
189
190 sig_handler_t mingw_signal(int sig, sig_handler_t handler);
191 #define signal mingw_signal
192
193 /*
194 * ANSI emulation wrappers
195 */
196
197 int winansi_fputs(const char *str, FILE *stream);
198 int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
199 int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
200 #define fputs winansi_fputs
201 #define printf(...) winansi_printf(__VA_ARGS__)
202 #define fprintf(...) winansi_fprintf(__VA_ARGS__)
203
204 /*
205 * git specific compatibility
206 */
207
208 #define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
209 #define is_dir_sep(c) ((c) == '/' || (c) == '\\')
210 #define PATH_SEP ';'
211 #define PRIuMAX "I64u"
212
213 void mingw_open_html(const char *path);
214 #define open_html mingw_open_html
215
216 /*
217 * helpers
218 */
219
220 char **copy_environ(void);
221 void free_environ(char **env);
222 char **env_setenv(char **env, const char *name);
223
224 /*
225 * A replacement of main() that ensures that argv[0] has a path
226 */
227
228 #define main(c,v) dummy_decl_mingw_main(); \
229 static int mingw_main(); \
230 int main(int argc, const char **argv) \
231 { \
232 argv[0] = xstrdup(_pgmptr); \
233 return mingw_main(argc, argv); \
234 } \
235 static int mingw_main(c,v)