win32: abstract file attributes -> struct stat fn

src/win32/path_w32.c

@@ -330,9 +330,7 @@ int git_win32_path_dirload_with_stat(
 	const char *repo_path = path + prefix_len;
 	size_t repo_path_len = strlen(repo_path);
 	char work_path[PATH__MAX_UNC_LEN];
-	git_win32_path target;
 	size_t path_len;
-	int fMode;
 
 	if (!git_win32__findfirstfile_filter(pathw, path)) {
 		error = -1;
@@ -374,46 +372,19 @@ int git_win32_path_dirload_with_stat(
 			cmp_len = min(start_len, path_len);
 			if (!(cmp_len && strncomp(work_path, start_stat, cmp_len) < 0)) {
 				cmp_len = min(end_len, path_len);
+
 				if (!(cmp_len && strncomp(work_path, end_stat, cmp_len) > 0)) {
-					fMode = S_IREAD;
-
-					if (dir->f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
-						fMode |= S_IFDIR;
-					else
-						fMode |= S_IFREG;
-
-					if (!(dir->f.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
-						fMode |= S_IWRITE;
-
 					ps = git__calloc(1, sizeof(git_path_with_stat) + path_len + 2);
+
+					if ((error = git_win32__file_attribute_to_stat(&ps->st,
+							(WIN32_FILE_ATTRIBUTE_DATA *)&dir->f,
+							NULL)) < 0) {
+						git__free(ps);
+						goto clean_up_and_exit;
+					}
+
 					memcpy(ps->path, work_path, path_len + 1);
 					ps->path_len = path_len;
-					ps->st.st_atime = filetime_to_time_t(&dir->f.ftLastAccessTime);
-					ps->st.st_ctime = filetime_to_time_t(&dir->f.ftCreationTime);
-					ps->st.st_mtime = filetime_to_time_t(&dir->f.ftLastWriteTime);
-					ps->st.st_size = dir->f.nFileSizeHigh;
-					ps->st.st_size <<= 32;
-					ps->st.st_size |= dir->f.nFileSizeLow;
-					ps->st.st_dev = ps->st.st_rdev = (_getdrive() - 1);
-					ps->st.st_mode = (mode_t)fMode;
-					ps->st.st_ino = 0;
-					ps->st.st_gid = 0;
-					ps->st.st_uid = 0;
-					ps->st.st_nlink = 1;
-
-					if (dir->f.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
-						if (git_win32_path_readlink_w(target, dir->f.cFileName) >= 0) {
-							ps->st.st_mode = (ps->st.st_mode & ~S_IFMT) | S_IFLNK;
-
-							/* st_size gets the UTF-8 length of the target name, in bytes,
-							 * not counting the NULL terminator */
-							if ((ps->st.st_size = git__utf16_to_8(NULL, 0, target)) < 0) {
-								error = -1;
-								giterr_set(GITERR_OS, "Could not manage reparse link '%s'", dir->f.cFileName);
-								goto clean_up_and_exit;
-							}
-						}
-					}
 
 					if (S_ISDIR(ps->st.st_mode)) {
 						ps->path[ps->path_len++] = '/';

src/win32/posix.h

@@ -52,12 +52,4 @@ extern int p_lstat_posixly(const char *filename, struct stat *buf);
 extern struct tm * p_localtime_r(const time_t *timer, struct tm *result);
 extern struct tm * p_gmtime_r(const time_t *timer, struct tm *result);
 
-GIT_INLINE(time_t) filetime_to_time_t(const FILETIME *ft)
-{
-	long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime;
-	winTime -= 116444736000000000LL; /* Windows to Unix Epoch conversion */
-	winTime /= 10000000;             /* Nano to seconds resolution */
-	return (time_t)winTime;
-}
-
 #endif

src/win32/posix_w32.c

@@ -140,44 +140,10 @@ static int lstat_w(
 	WIN32_FILE_ATTRIBUTE_DATA fdata;
 
 	if (GetFileAttributesExW(path, GetFileExInfoStandard, &fdata)) {
-		int fMode = S_IREAD;
-
 		if (!buf)
 			return 0;
 
-		if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+		return git_win32__file_attribute_to_stat(buf, &fdata, path);
-			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 = (mode_t)fMode;
-		buf->st_size = ((git_off_t)fdata.nFileSizeHigh << 32) + fdata.nFileSizeLow;
-		buf->st_dev = buf->st_rdev = (_getdrive() - 1);
-		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));
-
-		if (fdata.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
-			git_win32_path target;
-
-			if (git_win32_path_readlink_w(target, path) >= 0) {
-				buf->st_mode = (buf->st_mode & ~S_IFMT) | S_IFLNK;
-
-				/* st_size gets the UTF-8 length of the target name, in bytes,
-				 * not counting the NULL terminator */
-				if ((buf->st_size = git__utf16_to_8(NULL, 0, target)) < 0)
-					return -1;
-			}
-		}
-
-		return 0;
 	}
 
 	errno = ENOENT;

src/win32/w32_util.h

@@ -9,8 +9,21 @@
 #define INCLUDE_w32_util_h__
 
 #include "utf-conv.h"
+#include "posix.h"
 #include "path_w32.h"
 
+/*
+
+#include "common.h"
+#include "path.h"
+#include "path_w32.h"
+#include "utf-conv.h"
+#include "posix.h"
+#include "reparse.h"
+#include "dir.h"
+*/
+
+
 GIT_INLINE(bool) git_win32__isalpha(wchar_t c)
 {
 	return ((c >= L'A' && c <= L'Z') || (c >= L'a' && c <= L'z'));
@@ -52,4 +65,63 @@ size_t git_win32__path_trim_end(wchar_t *str, size_t len);
  */
 size_t git_win32__canonicalize_path(wchar_t *str, size_t len);
 
+/**
+ * Converts a FILETIME structure to a time_t.
+ *
+ * @param FILETIME A pointer to a FILETIME
+ * @return A time_t containing the same time
+ */
+GIT_INLINE(time_t) git_win32__filetime_to_time_t(const FILETIME *ft)
+{
+	long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime;
+	winTime -= 116444736000000000LL; /* Windows to Unix Epoch conversion */
+	winTime /= 10000000;             /* Nano to seconds resolution */
+	return (time_t)winTime;
+}
+
+GIT_INLINE(int) git_win32__file_attribute_to_stat(
+	struct stat *st,
+	const WIN32_FILE_ATTRIBUTE_DATA *attrdata,
+	const wchar_t *path)
+{
+	mode_t mode = S_IREAD;
+
+	if (attrdata->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+		mode |= S_IFDIR;
+	else
+		mode |= S_IFREG;
+
+	if ((attrdata->dwFileAttributes & FILE_ATTRIBUTE_READONLY) == 0)
+		mode |= S_IWRITE;
+
+	st->st_ino = 0;
+	st->st_gid = 0;
+	st->st_uid = 0;
+	st->st_nlink = 1;
+	st->st_mode = mode;
+	st->st_size = ((git_off_t)attrdata->nFileSizeHigh << 32) + attrdata->nFileSizeLow;
+	st->st_dev = _getdrive() - 1;
+	st->st_rdev = st->st_dev;
+	st->st_atime = git_win32__filetime_to_time_t(&(attrdata->ftLastAccessTime));
+	st->st_mtime = git_win32__filetime_to_time_t(&(attrdata->ftLastWriteTime));
+	st->st_ctime = git_win32__filetime_to_time_t(&(attrdata->ftCreationTime));
+
+	if (attrdata->dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT && path) {
+		git_win32_path target;
+
+		if (git_win32_path_readlink_w(target, path) >= 0) {
+			st->st_mode = (st->st_mode & ~S_IFMT) | S_IFLNK;
+
+			/* st_size gets the UTF-8 length of the target name, in bytes,
+				* not counting the NULL terminator */
+			if ((st->st_size = git__utf16_to_8(NULL, 0, target)) < 0) {
+				giterr_set(GITERR_OS, "Could not convert reparse point name for '%s'", path);
+				return -1;
+			}
+		}
+	}
+
+	return 0;
+}
+
 #endif