import (unchanged) git files from e56b799d6ad8afba4168fffa7218d44c041a72d2

1 files changed, 235 insertions, 0 deletions

diff --git a/include/mingw.h b/include/mingw.h
new file mode 100644
index 000000000..762eb143a
--- /dev/null
+++ b/include/mingw.h
@@ -0,0 +1,235 @@
+#include <winsock2.h>
+
+/*
+ * things that are not available in header files
+ */
+
+typedef int pid_t;
+#define hstrerror strerror
+
+#define S_IFLNK    0120000 /* Symbolic link */
+#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
+#define S_ISSOCK(x) 0
+#define S_IRGRP 0
+#define S_IWGRP 0
+#define S_IXGRP 0
+#define S_ISGID 0
+#define S_IROTH 0
+#define S_IXOTH 0
+
+#define WIFEXITED(x) ((unsigned)(x) < 259)      /* STILL_ACTIVE */
+#define WEXITSTATUS(x) ((x) & 0xff)
+#define WIFSIGNALED(x) ((unsigned)(x) > 259)
+
+#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
+
+struct passwd {
+        char *pw_name;
+        char *pw_gecos;
+        char *pw_dir;
+};
+
+struct pollfd {
+        int fd;           /* file descriptor */
+        short events;     /* requested events */
+        short revents;    /* returned events */
+};
+#define POLLIN 1
+#define POLLHUP 2
+
+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
+
+/*
+ * 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 int fork(void)
+{ errno = ENOSYS; return -1; }
+static inline unsigned int alarm(unsigned int seconds)
+{ return 0; }
+static inline int fsync(int fd)
+{ return 0; }
+static inline int getppid(void)
+{ return 1; }
+static inline void sync(void)
+{}
+static inline int getuid()
+{ return 1; }
+static inline struct passwd *getpwnam(const char *name)
+{ return NULL; }
+static inline int fcntl(int fd, int cmd, long arg)
+{
+        if (cmd == F_GETFD || cmd == F_SETFD)
+                return 0;
+        errno = EINVAL;
+        return -1;
+}
+
+/*
+ * 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
+
+static inline int waitpid(pid_t pid, unsigned *status, unsigned options)
+{
+        if (options == 0)
+                return _cwait(status, pid, 0);
+        errno = EINVAL;
+        return -1;
+}
+
+/*
+ * 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);
+int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
+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(int 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
+
+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
+
+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_rename(const char*, const char*);
+#define rename mingw_rename
+
+#ifdef USE_WIN32_MMAP
+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 stat _stati64
+#define lseek _lseeki64
+int mingw_lstat(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_lstat(x,y)
+
+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);
+void mingw_execvp(const char *cmd, char *const *argv);
+#define execvp mingw_execvp
+
+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 **copy_environ(void);
+void free_environ(char **env);
+char **env_setenv(char **env, const char *name);
+
+/*
+ * A replacement of main() that ensures that argv[0] has a path
+ */
+
+#define main(c,v) dummy_decl_mingw_main(); \
+static int mingw_main(); \
+int main(int argc, const char **argv) \
+{ \
+        argv[0] = xstrdup(_pgmptr); \
+        return mingw_main(argc, argv); \
+} \
+static int mingw_main(c,v)