join.c, write.c: Optimize WIMLIB_ALL_IMAGES writes (and joins)

[wimlib] / src / win32_replacements.c

diff --git a/src/win32_replacements.c b/src/win32_replacements.c
index 36cc8a357e884a177c41b89eb9eee7c2493c7b02..17861ef72d02be5349254b55f375b08c9049191c 100644 (file)
--- a/src/win32_replacements.c
+++ b/src/win32_replacements.c
@@ -92,7 +92,7 @@ realpath(const wchar_t *path, wchar_t *resolved_path)
        }
        goto out;
 fail_win32:
-       errno = win32_error_to_errno(err);
+       set_errno_from_win32_error(err);
 out:
        return resolved_path;
 }
@@ -146,7 +146,7 @@ fail_close_handle:
 fail:
        if (err == NO_ERROR)
                err = GetLastError();
-       errno = win32_error_to_errno(err);
+       set_errno_from_win32_error(err);
        return -1;
 }
 
@@ -177,12 +177,15 @@ do_pread_or_pwrite(int fd, void *buf, size_t count, off_t offset,
        OVERLAPPED overlapped;
        BOOL bret;
 
-       wimlib_assert(count <= 0xffffffff);
-
        h = (HANDLE)_get_osfhandle(fd);
        if (h == INVALID_HANDLE_VALUE)
                goto err;
 
+       if (GetFileType(h) == FILE_TYPE_PIPE) {
+               errno = ESPIPE;
+               goto err;
+       }
+
        /* Get original position */
        relative_offset.QuadPart = 0;
        if (!SetFilePointerEx(h, relative_offset, &orig_offset, FILE_CURRENT))
@@ -257,26 +260,18 @@ ssize_t writev(int fd, const struct iovec *iov, int iovcnt)
 int
 win32_get_file_and_vol_ids(const wchar_t *path, u64 *ino_ret, u64 *dev_ret)
 {
-       HANDLE hFile;
-       DWORD err;
+       HANDLE h;
        BY_HANDLE_FILE_INFORMATION file_info;
        int ret;
+       DWORD err;
 
-       hFile = win32_open_existing_file(path, FILE_READ_ATTRIBUTES);
-       if (hFile == INVALID_HANDLE_VALUE) {
-               err = GetLastError();
-               if (err != ERROR_FILE_NOT_FOUND) {
-                       WARNING("Failed to open \"%ls\" to get file "
-                               "and volume IDs", path);
-                       win32_error(err);
-               }
-               return WIMLIB_ERR_OPEN;
+       h = win32_open_existing_file(path, FILE_READ_ATTRIBUTES);
+       if (h == INVALID_HANDLE_VALUE) {
+               ret = WIMLIB_ERR_OPEN;
+               goto out;
        }
 
-       if (!GetFileInformationByHandle(hFile, &file_info)) {
-               err = GetLastError();
-               ERROR("Failed to get file information for \"%ls\"", path);
-               win32_error(err);
+       if (!GetFileInformationByHandle(h, &file_info)) {
                ret = WIMLIB_ERR_STAT;
        } else {
                *ino_ret = ((u64)file_info.nFileIndexHigh << 32) |
@@ -284,7 +279,11 @@ win32_get_file_and_vol_ids(const wchar_t *path, u64 *ino_ret, u64 *dev_ret)
                *dev_ret = file_info.dwVolumeSerialNumber;
                ret = 0;
        }
-       CloseHandle(hFile);
+       err = GetLastError();
+       CloseHandle(h);
+       SetLastError(err);
+out:
+       set_errno_from_GetLastError();
        return ret;
 }