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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>
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@ -1,4 +1,5 @@
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#include "../git-compat-util.h"
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#include "win32.h"
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#include "../strbuf.h"
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unsigned int _CRT_fmode = _O_BINARY;
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@ -39,46 +40,19 @@ static int do_lstat(const char *file_name, struct stat *buf)
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{
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WIN32_FILE_ATTRIBUTE_DATA fdata;
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if (GetFileAttributesExA(file_name, GetFileExInfoStandard, &fdata)) {
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int fMode = S_IREAD;
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if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
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fMode |= S_IFDIR;
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else
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fMode |= S_IFREG;
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if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
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fMode |= S_IWRITE;
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if (!(errno = get_file_attr(file_name, &fdata))) {
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buf->st_ino = 0;
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buf->st_gid = 0;
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buf->st_uid = 0;
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buf->st_nlink = 1;
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buf->st_mode = fMode;
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buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
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buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
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buf->st_dev = buf->st_rdev = 0; /* not used by Git */
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buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
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buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
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buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
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errno = 0;
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return 0;
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}
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switch (GetLastError()) {
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case ERROR_ACCESS_DENIED:
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case ERROR_SHARING_VIOLATION:
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case ERROR_LOCK_VIOLATION:
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case ERROR_SHARING_BUFFER_EXCEEDED:
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errno = EACCES;
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break;
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case ERROR_BUFFER_OVERFLOW:
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errno = ENAMETOOLONG;
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break;
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case ERROR_NOT_ENOUGH_MEMORY:
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errno = ENOMEM;
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break;
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default:
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errno = ENOENT;
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break;
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}
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return -1;
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}
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@ -130,19 +104,11 @@ int mingw_fstat(int fd, struct stat *buf)
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return fstat(fd, buf);
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if (GetFileInformationByHandle(fh, &fdata)) {
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int fMode = S_IREAD;
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if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
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fMode |= S_IFDIR;
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else
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fMode |= S_IFREG;
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if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
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fMode |= S_IWRITE;
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buf->st_ino = 0;
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buf->st_gid = 0;
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buf->st_uid = 0;
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buf->st_nlink = 1;
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buf->st_mode = fMode;
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buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
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buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
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buf->st_dev = buf->st_rdev = 0; /* not used by Git */
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buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
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34
compat/win32.h
Normal file
34
compat/win32.h
Normal file
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/* common Win32 functions for MinGW and Cygwin */
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#include <windows.h>
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static inline int file_attr_to_st_mode (DWORD attr)
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{
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int fMode = S_IREAD;
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if (attr & FILE_ATTRIBUTE_DIRECTORY)
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fMode |= S_IFDIR;
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else
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fMode |= S_IFREG;
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if (!(attr & FILE_ATTRIBUTE_READONLY))
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fMode |= S_IWRITE;
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return fMode;
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}
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static inline int get_file_attr(const char *fname, WIN32_FILE_ATTRIBUTE_DATA *fdata)
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{
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if (GetFileAttributesExA(fname, GetFileExInfoStandard, fdata))
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return 0;
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switch (GetLastError()) {
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case ERROR_ACCESS_DENIED:
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case ERROR_SHARING_VIOLATION:
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case ERROR_LOCK_VIOLATION:
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case ERROR_SHARING_BUFFER_EXCEEDED:
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return EACCES;
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case ERROR_BUFFER_OVERFLOW:
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return ENAMETOOLONG;
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case ERROR_NOT_ENOUGH_MEMORY:
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return ENOMEM;
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default:
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return ENOENT;
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}
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}
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