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Win32: Unicode file name support (dirent)

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Changes opendir/readdir to use Windows Unicode APIs and convert between
UTF-8/UTF-16.

Removes parameter checks that are already covered by xutftowcs_path. This
changes detection of ENAMETOOLONG from MAX_PATH - 2 to MAX_PATH (matching
is_dir_empty in mingw.c). If name + "/*" or the resulting absolute path is
too long, FindFirstFile fails and errno is set through err_win_to_posix.

Increases the size of dirent.d_name to accommodate the full
WIN32_FIND_DATA.cFileName converted to UTF-8 (UTF-16 to UTF-8 conversion
may grow by factor three in the worst case).

Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Karsten Blees
2012-01-14 22:01:09 +01:00
committed by Junio C Hamano
parent 85faec9d3a
commit 0217569bb2
2 changed files with 11 additions and 21 deletions
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2
compat/win32/dirent.h
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@ -10,7 +10,7 @@ typedef struct DIR DIR;
struct dirent {
unsigned char d_type; /* file type to prevent lstat after readdir */
char d_name[MAX_PATH]; /* file name */
char d_name[MAX_PATH * 3]; /* file name (* 3 for UTF-8 conversion) */
};
DIR *opendir(const char *dirname);