Merge branch 'tr/maint-1.6.0-send-email-irt'

[git.git] / compat / mingw.c

diff --git a/compat/mingw.c b/compat/mingw.c
index 27bcf3fd6b481eb058b357241da320a02e3d4096..171fa85e4ae9fa026bbb72e2e8b8b098d2ba22ed 100644 (file)
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -4,6 +4,119 @@
 
 unsigned int _CRT_fmode = _O_BINARY;
 
+static int err_win_to_posix(DWORD winerr)
+{
+       int error = ENOSYS;
+       switch(winerr) {
+       case ERROR_ACCESS_DENIED: error = EACCES; break;
+       case ERROR_ACCOUNT_DISABLED: error = EACCES; break;
+       case ERROR_ACCOUNT_RESTRICTION: error = EACCES; break;
+       case ERROR_ALREADY_ASSIGNED: error = EBUSY; break;
+       case ERROR_ALREADY_EXISTS: error = EEXIST; break;
+       case ERROR_ARITHMETIC_OVERFLOW: error = ERANGE; break;
+       case ERROR_BAD_COMMAND: error = EIO; break;
+       case ERROR_BAD_DEVICE: error = ENODEV; break;
+       case ERROR_BAD_DRIVER_LEVEL: error = ENXIO; break;
+       case ERROR_BAD_EXE_FORMAT: error = ENOEXEC; break;
+       case ERROR_BAD_FORMAT: error = ENOEXEC; break;
+       case ERROR_BAD_LENGTH: error = EINVAL; break;
+       case ERROR_BAD_PATHNAME: error = ENOENT; break;
+       case ERROR_BAD_PIPE: error = EPIPE; break;
+       case ERROR_BAD_UNIT: error = ENODEV; break;
+       case ERROR_BAD_USERNAME: error = EINVAL; break;
+       case ERROR_BROKEN_PIPE: error = EPIPE; break;
+       case ERROR_BUFFER_OVERFLOW: error = ENAMETOOLONG; break;
+       case ERROR_BUSY: error = EBUSY; break;
+       case ERROR_BUSY_DRIVE: error = EBUSY; break;
+       case ERROR_CALL_NOT_IMPLEMENTED: error = ENOSYS; break;
+       case ERROR_CANNOT_MAKE: error = EACCES; break;
+       case ERROR_CANTOPEN: error = EIO; break;
+       case ERROR_CANTREAD: error = EIO; break;
+       case ERROR_CANTWRITE: error = EIO; break;
+       case ERROR_CRC: error = EIO; break;
+       case ERROR_CURRENT_DIRECTORY: error = EACCES; break;
+       case ERROR_DEVICE_IN_USE: error = EBUSY; break;
+       case ERROR_DEV_NOT_EXIST: error = ENODEV; break;
+       case ERROR_DIRECTORY: error = EINVAL; break;
+       case ERROR_DIR_NOT_EMPTY: error = ENOTEMPTY; break;
+       case ERROR_DISK_CHANGE: error = EIO; break;
+       case ERROR_DISK_FULL: error = ENOSPC; break;
+       case ERROR_DRIVE_LOCKED: error = EBUSY; break;
+       case ERROR_ENVVAR_NOT_FOUND: error = EINVAL; break;
+       case ERROR_EXE_MARKED_INVALID: error = ENOEXEC; break;
+       case ERROR_FILENAME_EXCED_RANGE: error = ENAMETOOLONG; break;
+       case ERROR_FILE_EXISTS: error = EEXIST; break;
+       case ERROR_FILE_INVALID: error = ENODEV; break;
+       case ERROR_FILE_NOT_FOUND: error = ENOENT; break;
+       case ERROR_GEN_FAILURE: error = EIO; break;
+       case ERROR_HANDLE_DISK_FULL: error = ENOSPC; break;
+       case ERROR_INSUFFICIENT_BUFFER: error = ENOMEM; break;
+       case ERROR_INVALID_ACCESS: error = EACCES; break;
+       case ERROR_INVALID_ADDRESS: error = EFAULT; break;
+       case ERROR_INVALID_BLOCK: error = EFAULT; break;
+       case ERROR_INVALID_DATA: error = EINVAL; break;
+       case ERROR_INVALID_DRIVE: error = ENODEV; break;
+       case ERROR_INVALID_EXE_SIGNATURE: error = ENOEXEC; break;
+       case ERROR_INVALID_FLAGS: error = EINVAL; break;
+       case ERROR_INVALID_FUNCTION: error = ENOSYS; break;
+       case ERROR_INVALID_HANDLE: error = EBADF; break;
+       case ERROR_INVALID_LOGON_HOURS: error = EACCES; break;
+       case ERROR_INVALID_NAME: error = EINVAL; break;
+       case ERROR_INVALID_OWNER: error = EINVAL; break;
+       case ERROR_INVALID_PARAMETER: error = EINVAL; break;
+       case ERROR_INVALID_PASSWORD: error = EPERM; break;
+       case ERROR_INVALID_PRIMARY_GROUP: error = EINVAL; break;
+       case ERROR_INVALID_SIGNAL_NUMBER: error = EINVAL; break;
+       case ERROR_INVALID_TARGET_HANDLE: error = EIO; break;
+       case ERROR_INVALID_WORKSTATION: error = EACCES; break;
+       case ERROR_IO_DEVICE: error = EIO; break;
+       case ERROR_IO_INCOMPLETE: error = EINTR; break;
+       case ERROR_LOCKED: error = EBUSY; break;
+       case ERROR_LOCK_VIOLATION: error = EACCES; break;
+       case ERROR_LOGON_FAILURE: error = EACCES; break;
+       case ERROR_MAPPED_ALIGNMENT: error = EINVAL; break;
+       case ERROR_META_EXPANSION_TOO_LONG: error = E2BIG; break;
+       case ERROR_MORE_DATA: error = EPIPE; break;
+       case ERROR_NEGATIVE_SEEK: error = ESPIPE; break;
+       case ERROR_NOACCESS: error = EFAULT; break;
+       case ERROR_NONE_MAPPED: error = EINVAL; break;
+       case ERROR_NOT_ENOUGH_MEMORY: error = ENOMEM; break;
+       case ERROR_NOT_READY: error = EAGAIN; break;
+       case ERROR_NOT_SAME_DEVICE: error = EXDEV; break;
+       case ERROR_NO_DATA: error = EPIPE; break;
+       case ERROR_NO_MORE_SEARCH_HANDLES: error = EIO; break;
+       case ERROR_NO_PROC_SLOTS: error = EAGAIN; break;
+       case ERROR_NO_SUCH_PRIVILEGE: error = EACCES; break;
+       case ERROR_OPEN_FAILED: error = EIO; break;
+       case ERROR_OPEN_FILES: error = EBUSY; break;
+       case ERROR_OPERATION_ABORTED: error = EINTR; break;
+       case ERROR_OUTOFMEMORY: error = ENOMEM; break;
+       case ERROR_PASSWORD_EXPIRED: error = EACCES; break;
+       case ERROR_PATH_BUSY: error = EBUSY; break;
+       case ERROR_PATH_NOT_FOUND: error = ENOENT; break;
+       case ERROR_PIPE_BUSY: error = EBUSY; break;
+       case ERROR_PIPE_CONNECTED: error = EPIPE; break;
+       case ERROR_PIPE_LISTENING: error = EPIPE; break;
+       case ERROR_PIPE_NOT_CONNECTED: error = EPIPE; break;
+       case ERROR_PRIVILEGE_NOT_HELD: error = EACCES; break;
+       case ERROR_READ_FAULT: error = EIO; break;
+       case ERROR_SEEK: error = EIO; break;
+       case ERROR_SEEK_ON_DEVICE: error = ESPIPE; break;
+       case ERROR_SHARING_BUFFER_EXCEEDED: error = ENFILE; break;
+       case ERROR_SHARING_VIOLATION: error = EACCES; break;
+       case ERROR_STACK_OVERFLOW: error = ENOMEM; break;
+       case ERROR_SWAPERROR: error = ENOENT; break;
+       case ERROR_TOO_MANY_MODULES: error = EMFILE; break;
+       case ERROR_TOO_MANY_OPEN_FILES: error = EMFILE; break;
+       case ERROR_UNRECOGNIZED_MEDIA: error = ENXIO; break;
+       case ERROR_UNRECOGNIZED_VOLUME: error = ENODEV; break;
+       case ERROR_WAIT_NO_CHILDREN: error = ECHILD; break;
+       case ERROR_WRITE_FAULT: error = EIO; break;
+       case ERROR_WRITE_PROTECT: error = EROFS; break;
+       }
+       return error;
+}
+
 #undef open
 int mingw_open (const char *filename, int oflags, ...)
 {
@@ -1005,3 +1118,24 @@ void mingw_open_html(const char *unixpath)
        printf("Launching default browser to display HTML ...\n");
        ShellExecute(NULL, "open", htmlpath, NULL, "\\", 0);
 }
+
+int link(const char *oldpath, const char *newpath)
+{
+       typedef BOOL WINAPI (*T)(const char*, const char*, LPSECURITY_ATTRIBUTES);
+       static T create_hard_link = NULL;
+       if (!create_hard_link) {
+               create_hard_link = (T) GetProcAddress(
+                       GetModuleHandle("kernel32.dll"), "CreateHardLinkA");
+               if (!create_hard_link)
+                       create_hard_link = (T)-1;
+       }
+       if (create_hard_link == (T)-1) {
+               errno = ENOSYS;
+               return -1;
+       }
+       if (!create_hard_link(newpath, oldpath, NULL)) {
+               errno = err_win_to_posix(GetLastError());
+               return -1;
+       }
+       return 0;
+}