authorgravatar for der.teufel.mail@gmail.comKrzysztof Wolicki <der.teufel.mail@gmail.com> 2024-01-14 04:29:38+01:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2024-01-14 11:25:01-08:00
log78549d1e109a922e63b52b3d4a445217ca997c9c
treee3f87575c3089013deecfa27015c959e399ca0bb
parent89d4ac628959fe301ee93b88fdc66ab1988d5f33

mingw: Add missing misc/mingw-access.c and misc/ucrt-access.c

3 files changed, 75 insertions(+), 0 deletions(-)

lib/libc/mingw/misc/mingw-access.c created+54
......@@ -0,0 +1,54 @@
1/**
2 * This file has no copyright assigned and is placed in the Public Domain.
3 * This file is part of the mingw-w64 runtime package.
4 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
5 */
6#include <windows.h>
7#include <errno.h>
8#include <io.h>
9
10int __cdecl __mingw_access(const char *fname, int mode);
11
12int __cdecl __mingw_access(const char *fname, int mode)
13{
14 DWORD attr;
15
16 if (fname == NULL || (mode & ~(F_OK | X_OK | W_OK | R_OK)))
17 {
18 errno = EINVAL;
19 return -1;
20 }
21
22 attr = GetFileAttributesA(fname);
23 if (attr == INVALID_FILE_ATTRIBUTES)
24 {
25 switch (GetLastError())
26 {
27 case ERROR_FILE_NOT_FOUND:
28 case ERROR_PATH_NOT_FOUND:
29 errno = ENOENT;
30 break;
31 case ERROR_ACCESS_DENIED:
32 errno = EACCES;
33 break;
34 default:
35 errno = EINVAL;
36 }
37 return -1;
38 }
39
40 if (attr & FILE_ATTRIBUTE_DIRECTORY)
41 {
42 /* All directories have read & write access */
43 return 0;
44 }
45
46 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & W_OK))
47 {
48 /* no write permission on file */
49 errno = EACCES;
50 return -1;
51 }
52 else
53 return 0;
54}
lib/libc/mingw/misc/ucrt-access.c created+19
......@@ -0,0 +1,19 @@
1/**
2 * This file has no copyright assigned and is placed in the Public Domain.
3 * This file is part of the mingw-w64 runtime package.
4 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
5 */
6
7#include <io.h>
8
9int __cdecl __mingw_access(const char *fname, int mode);
10
11int __cdecl access(const char *fname, int mode)
12{
13 /* On UCRT, unconditionally forward access to __mingw_access. UCRT's
14 * access() function return an error if passed the X_OK constant,
15 * while msvcrt.dll's access() doesn't. (It's reported that msvcrt.dll's
16 * access() also returned errors on X_OK in the version shipped in Vista,
17 * but in recent tests it's no longer the case.) */
18 return __mingw_access(fname, mode);
19}
src/mingw.zig+2
......@@ -697,6 +697,7 @@ const mingwex_generic_src = [_][]const u8{
697697 "misc" ++ path.sep_str ++ "mbrtowc.c",
698698 "misc" ++ path.sep_str ++ "mbsinit.c",
699699 "misc" ++ path.sep_str ++ "mempcpy.c",
700 "misc" ++ path.sep_str ++ "mingw-access.c",
700701 "misc" ++ path.sep_str ++ "mingw-aligned-malloc.c",
701702 "misc" ++ path.sep_str ++ "mingw_getsp.S",
702703 "misc" ++ path.sep_str ++ "mingw_matherr.c",
......@@ -716,6 +717,7 @@ const mingwex_generic_src = [_][]const u8{
716717 "misc" ++ path.sep_str ++ "tfind.c",
717718 "misc" ++ path.sep_str ++ "tsearch.c",
718719 "misc" ++ path.sep_str ++ "twalk.c",
720 "misc" ++ path.sep_str ++ "ucrt-access.c",
719721 "misc" ++ path.sep_str ++ "wcrtomb.c",
720722 "misc" ++ path.sep_str ++ "wcsnlen.c",
721723 "misc" ++ path.sep_str ++ "wcstof.c",