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mingw: move common functionality to win32.h 

Some small Win32 specific functions will be shared by MinGW and
Cygwin compatibility layer. Place them into a separate header.

Signed-off-by: Dmitry Potapov <dpotapov@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Dmitry Potapov 2008-09-27 12:43:01 +04:00 committed by Shawn O. Pearce
parent d2b0708e1a
commit 444dc90322
2 changed files with 38 additions and 38 deletions
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42
compat/mingw.c
View File

@ -1,4 +1,5 @@
#include "../git-compat-util.h"
#include "win32.h"
#include "../strbuf.h"
unsigned int _CRT_fmode = _O_BINARY;
@ -39,46 +40,19 @@ static int do_lstat(const char *file_name, struct stat *buf)
{
WIN32_FILE_ATTRIBUTE_DATA fdata;
if (GetFileAttributesExA(file_name, GetFileExInfoStandard, &fdata)) {
int fMode = S_IREAD;
if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
fMode |= S_IFDIR;
else
fMode |= S_IFREG;
if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
fMode |= S_IWRITE;
if (!(errno = get_file_attr(file_name, &fdata))) {
buf->st_ino = 0;
buf->st_gid = 0;
buf->st_uid = 0;
buf->st_nlink = 1;
buf->st_mode = fMode;
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_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));
buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
errno = 0;
return 0;
}
switch (GetLastError()) {
case ERROR_ACCESS_DENIED:
case ERROR_SHARING_VIOLATION:
case ERROR_LOCK_VIOLATION:
case ERROR_SHARING_BUFFER_EXCEEDED:
errno = EACCES;
break;
case ERROR_BUFFER_OVERFLOW:
errno = ENAMETOOLONG;
break;
case ERROR_NOT_ENOUGH_MEMORY:
errno = ENOMEM;
break;
default:
errno = ENOENT;
break;
}
return -1;
}
@ -130,19 +104,11 @@ int mingw_fstat(int fd, struct stat *buf)
return fstat(fd, buf);
if (GetFileInformationByHandle(fh, &fdata)) {
int fMode = S_IREAD;
if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
fMode |= S_IFDIR;
else
fMode |= S_IFREG;
if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
fMode |= S_IWRITE;
buf->st_ino = 0;
buf->st_gid = 0;
buf->st_uid = 0;
buf->st_nlink = 1;
buf->st_mode = fMode;
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_dev = buf->st_rdev = 0; /* not used by Git */
buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));

34
compat/win32.h Normal file
View File

@ -0,0 +1,34 @@
/* common Win32 functions for MinGW and Cygwin */
#include <windows.h>
static inline int file_attr_to_st_mode (DWORD attr)
{
int fMode = S_IREAD;
if (attr & FILE_ATTRIBUTE_DIRECTORY)
fMode |= S_IFDIR;
else
fMode |= S_IFREG;
if (!(attr & FILE_ATTRIBUTE_READONLY))
fMode |= S_IWRITE;
return fMode;
}
static inline int get_file_attr(const char *fname, WIN32_FILE_ATTRIBUTE_DATA *fdata)
{
if (GetFileAttributesExA(fname, GetFileExInfoStandard, fdata))
return 0;
switch (GetLastError()) {
case ERROR_ACCESS_DENIED:
case ERROR_SHARING_VIOLATION:
case ERROR_LOCK_VIOLATION:
case ERROR_SHARING_BUFFER_EXCEEDED:
return EACCES;
case ERROR_BUFFER_OVERFLOW:
return ENAMETOOLONG;
case ERROR_NOT_ENOUGH_MEMORY:
return ENOMEM;
default:
return ENOENT;
}
}