[1/1] mingw: use `CreateHardLink()` directly

Commit Message

Johannes Schindelin via GitGitGadget Nov. 13, 2018, 2:37 p.m. UTC

From: Johannes Schindelin <[e-mail]>

The function `CreateHardLink()` is available in all supported Windows
versions (even since Windows XP), so there is no more need to resolve it
at runtime.

Helped-by: Max Kirillov <[e-mail]>
Signed-off-by: Johannes Schindelin <[e-mail]>
---
 compat/mingw.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

Patch

diff --git a/compat/mingw.c b/compat/mingw.c
index 3b44dd99d7..fdcf946275 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -2084,24 +2084,12 @@  int mingw_raise(int sig)
 
 int link(const char *oldpath, const char *newpath)
 {
-	typedef BOOL (WINAPI *T)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES);
-	static T create_hard_link = NULL;
 	wchar_t woldpath[MAX_PATH], wnewpath[MAX_PATH];
 	if (xutftowcs_path(woldpath, oldpath) < 0 ||
 		xutftowcs_path(wnewpath, newpath) < 0)
 		return -1;
 
-	if (!create_hard_link) {
-		create_hard_link = (T) GetProcAddress(
-			GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
-		if (!create_hard_link)
-			create_hard_link = (T)-1;
-	}
-	if (create_hard_link == (T)-1) {
-		errno = ENOSYS;
-		return -1;
-	}
-	if (!create_hard_link(wnewpath, woldpath, NULL)) {
+	if (!CreateHardLinkW(wnewpath, woldpath, NULL)) {
 		errno = err_win_to_posix(GetLastError());
 		return -1;
 	}