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Merge pull request #2449 from dscho/mingw-getcwd-and-symlinks

Do resolve symlinks in `getcwd()`
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dscho committed Jan 3, 2020
2 parents 2249a76 + 8afef17 commit 0c54f7689472a87357aa56f33cad4a6361e7cde2
Showing with 6 additions and 10 deletions.
  1. +6 −10 compat/mingw.c
@@ -1260,18 +1260,16 @@ char *mingw_getcwd(char *pointer, int len)
{
wchar_t cwd[MAX_PATH], wpointer[MAX_PATH];
DWORD ret = GetCurrentDirectoryW(ARRAY_SIZE(cwd), cwd);
HANDLE hnd;

if (!ret || ret >= ARRAY_SIZE(cwd)) {
errno = ret ? ENAMETOOLONG : err_win_to_posix(GetLastError());
return NULL;
}
ret = GetLongPathNameW(cwd, wpointer, ARRAY_SIZE(wpointer));
if (!ret && GetLastError() == ERROR_ACCESS_DENIED) {
HANDLE hnd = CreateFileW(cwd, 0,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (hnd == INVALID_HANDLE_VALUE)
return NULL;
hnd = CreateFileW(cwd, 0,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (hnd != INVALID_HANDLE_VALUE) {
ret = GetFinalPathNameByHandleW(hnd, wpointer, ARRAY_SIZE(wpointer), 0);
CloseHandle(hnd);
if (!ret || ret >= ARRAY_SIZE(wpointer))
@@ -1280,9 +1278,7 @@ char *mingw_getcwd(char *pointer, int len)
return NULL;
return pointer;
}
if (!ret || ret >= ARRAY_SIZE(wpointer))
return NULL;
if (xwcstoutf(pointer, wpointer, len) < 0)
if (xwcstoutf(pointer, cwd, len) < 0)
return NULL;
convert_slashes(pointer);
return pointer;

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