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MinGW: 64-bit file offsets

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The type 'off_t' should be used everywhere so that the bit-depth of that
type can be adjusted in the standard C library, and you just need to
recompile your program to benefit from the extended precision.

Only that it was not done that way in the MS runtime library.

This patch reroutes off_t to off64_t and provides the other necessary
changes so that finally, clones larger than 2 gigabyte work on Windows
(provided you are on a file system that allows files larger than 2gb).

Initial patch by Sickboy <sb@dev-heaven.net>.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Acked-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin
2009-03-05 17:05:12 +01:00
committed by Junio C Hamano
parent fad5c96756
commit 1d4e4cd4a1
2 changed files with 9 additions and 4 deletions
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8
compat/mingw.c
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@ -46,7 +46,8 @@ static int do_lstat(const char *file_name, struct stat *buf)
buf->st_uid = 0;
buf->st_nlink = 1;
buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
buf->st_size = fdata.nFileSizeLow |
(((off_t)fdata.nFileSizeHigh)<<32);
buf->st_dev = buf->st_rdev = 0; /* not used by Git */
buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
@ -101,7 +102,7 @@ int mingw_fstat(int fd, struct stat *buf)
}
/* direct non-file handles to MS's fstat() */
if (GetFileType(fh) != FILE_TYPE_DISK)
return fstat(fd, buf);
return _fstati64(fd, buf);
if (GetFileInformationByHandle(fh, &fdata)) {
buf->st_ino = 0;
@ -109,7 +110,8 @@ int mingw_fstat(int fd, struct stat *buf)
buf->st_uid = 0;
buf->st_nlink = 1;
buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
buf->st_size = fdata.nFileSizeLow |
(((off_t)fdata.nFileSizeHigh)<<32);
buf->st_dev = buf->st_rdev = 0; /* not used by Git */
buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));