win32: add mingw.h

This file is like libbb.h for MinGW port.

1 files changed, 295 insertions, 0 deletions

diff --git a/include/mingw.h b/include/mingw.h
new file mode 100644
index 000000000..44ea2b098
--- /dev/null
+++ b/include/mingw.h
@@ -0,0 +1,295 @@
+#include <sys/utime.h>
+
+#define NOIMPL(name,...) static inline int name(__VA_ARGS__) { errno = ENOSYS; return -1; }
+#define IMPL(name,ret,retval,...) static inline ret name(__VA_ARGS__) { return retval; }
+
+/*
+ * sys/types.h
+ */
+typedef int gid_t;
+typedef int uid_t;
+typedef int pid_t;
+
+/*
+ * arpa/inet.h
+ */
+static inline unsigned int git_ntohl(unsigned int x) { return (unsigned int)ntohl(x); }
+#define ntohl git_ntohl
+
+/*
+ * fcntl.h
+ */
+#define F_DUPFD 0
+#define F_GETFD 1
+#define F_SETFD 2
+#define F_GETFL 3
+#define F_SETFL 3
+#define FD_CLOEXEC 0x1
+#define O_NONBLOCK 04000
+
+/*
+ * grp.h
+ */
+
+struct group {
+        char *gr_name;
+        char *gr_passwd;
+        gid_t gr_gid;
+        char **gr_mem;
+};
+IMPL(getgrnam,struct group *,NULL,const char *name UNUSED_PARAM);
+IMPL(getgrgid,struct group *,NULL,gid_t gid UNUSED_PARAM);
+NOIMPL(initgroups,const char *group UNUSED_PARAM,gid_t gid UNUSED_PARAM);
+static inline void endgrent(void) {}
+
+/*
+ * limits.h
+ */
+#define NAME_MAX 255
+#define MAXSYMLINKS 20
+
+
+/*
+ * poll.h
+ */
+struct pollfd {
+        int fd;           /* file descriptor */
+        short events;     /* requested events */
+        short revents;    /* returned events */
+};
+typedef unsigned long nfds_t;
+#define POLLIN 1
+#define POLLHUP 2
+
+NOIMPL(poll,struct pollfd *ufds UNUSED_PARAM, unsigned int nfds UNUSED_PARAM, int timeout UNUSED_PARAM);
+
+/*
+ * pwd.h
+ */
+struct passwd {
+        char *pw_name;
+        char *pw_gecos;
+        char *pw_dir;
+        uid_t pw_uid;
+        gid_t pw_gid;
+};
+
+IMPL(getpwnam,struct passwd *,NULL,const char *name UNUSED_PARAM);
+IMPL(getpwuid,struct passwd *,NULL,int uid UNUSED_PARAM);
+
+/*
+ * signal.h
+ */
+#define SIGHUP 1
+#define SIGQUIT 3
+#define SIGKILL 9
+#define SIGUSR1 10
+#define SIGUSR2 12
+#define SIGPIPE 13
+#define SIGALRM 14
+#define SIGCHLD 17
+#define SIGCONT 18
+#define SIGSTOP 19
+#define SIGTSTP 20
+#define SIGTTIN 21
+#define SIGTTOU 22
+#define SIGXCPU 24
+#define SIGXFSZ 25
+#define SIGVTALRM 26
+#define SIGWINCH 28
+
+#define SIG_UNBLOCK 1
+
+typedef void (__cdecl *sighandler_t)(int);
+struct sigaction {
+        sighandler_t sa_handler;
+        unsigned sa_flags;
+        int sa_mask;
+};
+#define sigemptyset(x) (void)0
+#define SA_RESTART 0
+
+NOIMPL(sigaction,int sig UNUSED_PARAM, struct sigaction *in UNUSED_PARAM, struct sigaction *out UNUSED_PARAM);
+NOIMPL(sigfillset,int *mask UNUSED_PARAM);
+
+/*
+ * stdio.h
+ */
+#define fseeko(f,o,w) fseek(f,o,w)
+
+int fdprintf(int fd, const char *format, ...);
+
+/*
+ * stdlib.h
+ */
+#define WIFEXITED(x) ((unsigned)(x) < 259)      /* STILL_ACTIVE */
+#define WEXITSTATUS(x) ((x) & 0xff)
+#define WIFSIGNALED(x) ((unsigned)(x) > 259)
+#define WTERMSIG(x) ((x) & 0x7f)
+
+NOIMPL(clearenv,void);
+IMPL(mingw_getenv,char*,NULL,const char *name UNUSED_PARAM);
+NOIMPL(mkstemp,char *template UNUSED_PARAM);
+IMPL(realpath,char *,NULL,const char *path UNUSED_PARAM, char *resolved_path UNUSED_PARAM);
+NOIMPL(setenv,const char *name UNUSED_PARAM, const char *value UNUSED_PARAM, int replace UNUSED_PARAM);
+IMPL(unsetenv,void,,const char *env UNUSED_PARAM);
+
+#define getenv mingw_getenv
+/*
+ * string.h
+ */
+IMPL(strsep,char *,NULL,char **stringp UNUSED_PARAM, const char *delim UNUSED_PARAM);
+
+/*
+ * sys/ioctl.h
+ */
+
+#define TIOCGWINSZ 0x5413
+
+NOIMPL(ioctl,int fd UNUSED_PARAM, int code UNUSED_PARAM,...);
+
+/*
+ * sys/socket.h
+ */
+#define hstrerror strerror
+
+NOIMPL(mingw_socket,int domain UNUSED_PARAM, int type UNUSED_PARAM, int protocol UNUSED_PARAM);
+NOIMPL(mingw_sendto,SOCKET s UNUSED_PARAM, const char *buf UNUSED_PARAM, int len UNUSED_PARAM, int flags UNUSED_PARAM, const struct sockaddr *sa UNUSED_PARAM, int salen UNUSED_PARAM);
+NOIMPL(mingw_listen,SOCKET s UNUSED_PARAM,int backlog UNUSED_PARAM);
+NOIMPL(mingw_bind,SOCKET s UNUSED_PARAM,const struct sockaddr* sa UNUSED_PARAM,int salen UNUSED_PARAM);
+
+/* Windows declaration is different */
+#define socket mingw_socket
+#define sendto mingw_sendto
+#define listen mingw_listen
+#define bind mingw_bind
+
+/*
+ * sys/stat.h
+ */
+#define S_ISUID 04000
+#define S_ISGID 02000
+#define S_ISVTX 01000
+#ifndef S_IRWXU
+#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
+#endif
+#define S_IRWXG (S_IRWXU >> 3)
+#define S_IRWXO (S_IRWXG >> 3)
+
+#define S_IFSOCK 0140000
+#define S_IFLNK    0120000 /* Symbolic link */
+#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
+#define S_ISSOCK(x) 0
+
+#define S_IRGRP (S_IRUSR >> 3)
+#define S_IWGRP (S_IWUSR >> 3)
+#define S_IXGRP (S_IXUSR >> 3)
+#define S_IROTH (S_IRGRP >> 3)
+#define S_IWOTH (S_IWGRP >> 3)
+#define S_IXOTH (S_IXGRP >> 3)
+
+NOIMPL(fchmod,int fildes UNUSED_PARAM, mode_t mode UNUSED_PARAM);
+NOIMPL(fchown,int fd UNUSED_PARAM, uid_t uid UNUSED_PARAM, gid_t gid UNUSED_PARAM);
+NOIMPL(mingw_mkdir,const char *path UNUSED_PARAM, int mode UNUSED_PARAM);
+
+#define mkdir mingw_mkdir
+#define lstat stat
+
+/*
+ * sys/sysmacros.h
+ */
+#define makedev(a,b) 0*(a)*(b) /* avoid unused warning */
+#define minor(x) 0
+#define major(x) 0
+
+/*
+ * sys/time.h
+ */
+struct itimerval {
+        struct timeval it_value, it_interval;
+};
+#define ITIMER_REAL 0
+
+int setitimer(int type, struct itimerval *in, struct itimerval *out);
+
+/*
+ * sys/wait.h
+ */
+#define WNOHANG 1
+NOIMPL(waitpid,pid_t pid UNUSED_PARAM, int *status UNUSED_PARAM, unsigned options UNUSED_PARAM);
+
+/*
+ * time.h
+ */
+IMPL(gmtime_r,struct tm *,NULL,const time_t *timep UNUSED_PARAM, struct tm *result UNUSED_PARAM);
+IMPL(localtime_r,struct tm *,NULL,const time_t *timep UNUSED_PARAM, struct tm *result UNUSED_PARAM);
+IMPL(strptime,char*,NULL,const char *s UNUSED_PARAM, const char *format UNUSED_PARAM, struct tm *tm UNUSED_PARAM);
+
+/*
+ * unistd.h
+ */
+#define PIPE_BUF 8192
+
+IMPL(alarm,unsigned int,0,unsigned int seconds UNUSED_PARAM);
+NOIMPL(chown,const char *path UNUSED_PARAM, uid_t uid UNUSED_PARAM, gid_t gid UNUSED_PARAM);
+NOIMPL(chroot,const char *root UNUSED_PARAM);
+char *mingw_getcwd(char *pointer, int len);
+
+
+#ifdef USE_WIN32_MMAP
+int mingw_getpagesize(void);
+#define getpagesize mingw_getpagesize
+#else
+int getpagesize(void);  /* defined in MinGW's libgcc.a */
+#endif
+
+IMPL(getgid,int,1,void);
+NOIMPL(getgroups,int n UNUSED_PARAM,gid_t *groups UNUSED_PARAM);
+IMPL(getppid,int,1,void);
+IMPL(getegid,int,1,void);
+IMPL(geteuid,int,1,void);
+NOIMPL(getsid,pid_t pid UNUSED_PARAM);
+IMPL(getuid,int,1,void);
+NOIMPL(fcntl,int fd UNUSED_PARAM, int cmd UNUSED_PARAM, ...);
+#define fork() -1
+IMPL(fsync,int,0,int fd UNUSED_PARAM);
+NOIMPL(kill,pid_t pid UNUSED_PARAM, int sig UNUSED_PARAM);
+NOIMPL(link,const char *oldpath UNUSED_PARAM, const char *newpath UNUSED_PARAM);
+NOIMPL(mknod,const char *name UNUSED_PARAM, mode_t mode UNUSED_PARAM, dev_t device UNUSED_PARAM);
+NOIMPL(pipe,int filedes[2] UNUSED_PARAM);
+NOIMPL(readlink,const char *path UNUSED_PARAM, char *buf UNUSED_PARAM, size_t bufsiz UNUSED_PARAM);
+NOIMPL(setgid,gid_t gid UNUSED_PARAM);
+NOIMPL(setsid,void);
+NOIMPL(setuid,uid_t gid UNUSED_PARAM);
+NOIMPL(sleep,unsigned int seconds UNUSED_PARAM);
+NOIMPL(symlink,const char *oldpath UNUSED_PARAM, const char *newpath UNUSED_PARAM);
+static inline void sync(void) {}
+NOIMPL(vfork,void);
+
+#define getcwd mingw_getcwd
+#define lchown(a,b,c) chown(a,b,c)
+
+/*
+ * utime.h
+ */
+int mingw_utime(const char *file_name, const struct utimbuf *times);
+NOIMPL(utimes,const char *filename UNUSED_PARAM, const struct timeval times[2] UNUSED_PARAM);
+
+#define utime mingw_utime
+
+/*
+ * MinGW specific
+ */
+#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
+#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
+#define PRIuMAX "I64u"
+
+/*
+ * helpers
+ */
+
+char **copy_environ(const char *const *env);
+void free_environ(char **env);
+char **env_setenv(char **env, const char *name);
+
+const char *get_busybox_exec_path(void);