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![Thomas Faber](/assets/img/avatar_default.png)
Import Wine commits by Piotr Caban: * 6c2d4f1092d msvcrt: Use fd critical section in _fstat64. * 9278190d468 msvcrt: Use fd critical section in _futime64.
163 lines
4.5 KiB
C
163 lines
4.5 KiB
C
#include <precomp.h>
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#include <tchar.h>
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#include <direct.h>
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#include <internal/wine/msvcrt.h>
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inline ioinfo* get_ioinfo(int fd);
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inline void release_ioinfo(ioinfo *info);
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#define ALL_S_IREAD (_S_IREAD | (_S_IREAD >> 3) | (_S_IREAD >> 6))
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#define ALL_S_IWRITE (_S_IWRITE | (_S_IWRITE >> 3) | (_S_IWRITE >> 6))
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#define ALL_S_IEXEC (_S_IEXEC | (_S_IEXEC >> 3) | (_S_IEXEC >> 6))
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#ifdef UNICODE
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#define TCHAR4 ULONGLONG
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#else
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#define TCHAR4 ULONG
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#endif
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#define TCSIZE sizeof(_TCHAR)
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#define TOULL(x) ((TCHAR4)(x))
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#define EXE ((TOULL('e')<<(2*TCSIZE)) | (TOULL('x')<<TCSIZE) | (TOULL('e')))
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#define BAT ((TOULL('b')<<(2*TCSIZE)) | (TOULL('a')<<TCSIZE) | (TOULL('t')))
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#define CMD ((TOULL('c')<<(2*TCSIZE)) | (TOULL('m')<<TCSIZE) | (TOULL('d')))
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#define COM ((TOULL('c')<<(2*TCSIZE)) | (TOULL('o')<<TCSIZE) | (TOULL('m')))
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int CDECL _tstat64(const _TCHAR *path, struct __stat64 *buf)
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{
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DWORD dw;
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WIN32_FILE_ATTRIBUTE_DATA hfi;
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unsigned short mode = ALL_S_IREAD;
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int plen;
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TRACE(":file (%s) buf(%p)\n",path,buf);
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plen = _tcslen(path);
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while (plen && path[plen-1]==' ')
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plen--;
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if (plen && (plen<2 || path[plen-2]!=':') &&
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(path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
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{
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*_errno() = ENOENT;
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return -1;
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}
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if (!GetFileAttributesEx(path, GetFileExInfoStandard, &hfi))
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{
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TRACE("failed (%d)\n",GetLastError());
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*_errno() = ENOENT;
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return -1;
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}
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memset(buf,0,sizeof(struct __stat64));
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/* FIXME: rdev isn't drive num, despite what the docs say-what is it?
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Bon 011120: This FIXME seems incorrect
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Also a letter as first char isn't enough to be classified
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as a drive letter
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*/
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if (isalpha(*path)&& (*(path+1)==':'))
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buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
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else
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buf->st_dev = buf->st_rdev = _getdrive() - 1;
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/* Dir, or regular file? */
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if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
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mode |= (_S_IFDIR | ALL_S_IEXEC);
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else
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{
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mode |= _S_IFREG;
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/* executable? */
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if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
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{
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unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
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(tolower(path[plen-3]) << 16);
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if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
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mode |= ALL_S_IEXEC;
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}
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}
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if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
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mode |= ALL_S_IWRITE;
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buf->st_mode = mode;
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buf->st_nlink = 1;
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buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
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RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
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buf->st_atime = dw;
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RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
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buf->st_mtime = buf->st_ctime = dw;
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TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
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(int)(buf->st_size >> 32),(int)buf->st_size,
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(int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
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return 0;
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}
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#ifndef _UNICODE
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int CDECL _fstat64(int fd, struct __stat64* buf)
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{
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ioinfo *info = get_ioinfo(fd);
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DWORD dw;
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DWORD type;
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BY_HANDLE_FILE_INFORMATION hfi;
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TRACE(":fd (%d) stat (%p)\n", fd, buf);
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if (info->handle == INVALID_HANDLE_VALUE)
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{
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release_ioinfo(info);
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return -1;
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}
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if (!buf)
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{
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WARN(":failed-NULL buf\n");
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_dosmaperr(ERROR_INVALID_PARAMETER);
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release_ioinfo(info);
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return -1;
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}
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memset(&hfi, 0, sizeof(hfi));
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memset(buf, 0, sizeof(struct __stat64));
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type = GetFileType(info->handle);
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if (type == FILE_TYPE_PIPE)
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{
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buf->st_dev = buf->st_rdev = fd;
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buf->st_mode = _S_IFIFO;
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buf->st_nlink = 1;
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}
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else if (type == FILE_TYPE_CHAR)
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{
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buf->st_dev = buf->st_rdev = fd;
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buf->st_mode = _S_IFCHR;
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buf->st_nlink = 1;
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}
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else /* FILE_TYPE_DISK etc. */
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{
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if (!GetFileInformationByHandle(info->handle, &hfi))
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{
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WARN(":failed-last error (%d)\n",GetLastError());
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_dosmaperr(ERROR_INVALID_PARAMETER);
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release_ioinfo(info);
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return -1;
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}
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buf->st_mode = _S_IFREG | ALL_S_IREAD;
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if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
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buf->st_mode |= ALL_S_IWRITE;
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buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
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RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
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buf->st_atime = dw;
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RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
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buf->st_mtime = buf->st_ctime = dw;
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buf->st_nlink = (short)hfi.nNumberOfLinks;
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}
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TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
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buf->st_mode);
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release_ioinfo(info);
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return 0;
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}
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#endif
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