From: Dmitry Potapov Date: Sat, 27 Sep 2008 08:43:01 +0000 (+0400) Subject: mingw: move common functionality to win32.h X-Git-Tag: v1.6.1-rc1~161^2~1 X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=444dc90322fcd1e4ea1cb9c6a46372fa28d8ef9d;p=git.git 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 Signed-off-by: Shawn O. Pearce --- diff --git a/compat/mingw.c b/compat/mingw.c index fc45d240f..09858f6c5 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -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)); diff --git a/compat/win32.h b/compat/win32.h new file mode 100644 index 000000000..c26384e59 --- /dev/null +++ b/compat/win32.h @@ -0,0 +1,34 @@ +/* common Win32 functions for MinGW and Cygwin */ +#include + +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; + } +}