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mingw: use CreateHardLink directly

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

Helped-by: Max Kirillov <max@max630.net>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Johannes Schindelin
2017-01-10 23:14:20 +01:00
parent 1085d510a6
commit cabd85d8ec
1 changed files with 1 additions and 13 deletions
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14
compat/mingw.c
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@@ -1937,24 +1937,12 @@ 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;
}