[PATCH 05/10] msvcrt: Prepare _searchenv_s() for utf-8 encoded filename.

[Piotr Caban]

From: Piotr Caban

---
 dlls/msvcrt/dir.c          | 15 +++++++++++----
 dlls/ucrtbase/tests/file.c |  6 ++++++
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/dlls/msvcrt/dir.c b/dlls/msvcrt/dir.c
index 587517ab1bb..1ba14308f85 100644
--- a/dlls/msvcrt/dir.c
+++ b/dlls/msvcrt/dir.c
@@ -1639,6 +1639,7 @@ int CDECL _searchenv_s(const char* file, const char* env, char *buf, size_t coun
   char *envVal, *penv, *end;
   char path[MAX_PATH];
   size_t path_len, fname_len;
+  int old_errno, access;

if (!MSVCRT_CHECK_PMT(file != NULL)) return EINVAL;
   if (!MSVCRT_CHECK_PMT(buf != NULL)) return EINVAL;
@@ -1651,10 +1652,13 @@ int CDECL _searchenv_s(const char* file, const char* env, char *buf, size_t coun
   *buf = '\0';

/* Try CWD first */
-  if (GetFileAttributesA( file ) != INVALID_FILE_ATTRIBUTES)
+  old_errno = *_errno();
+  access = _access(file, 0);
+  *_errno() = old_errno;
+  if (!access)
   {
-    if (GetFullPathNameA( file, count, buf, NULL )) return 0;
-    msvcrt_set_errno(GetLastError());
+    if (!_fullpath(buf, file, count))
+      return *_errno();
     return 0;
   }

@@ -1700,7 +1704,10 @@ int CDECL _searchenv_s(const char* file, const char* env, char *buf, size_t coun

memcpy(path + path_len, file, fname_len + 1);
     TRACE("Checking for file %s\n", path);
-    if (GetFileAttributesA( path ) != INVALID_FILE_ATTRIBUTES)
+    old_errno = *_errno();
+    access = _access(path, 0);
+    *_errno() = old_errno;
+    if (!access)
     {
       if (path_len + fname_len + 1 > count)
       {
diff --git a/dlls/ucrtbase/tests/file.c b/dlls/ucrtbase/tests/file.c
index 0214015c37a..248fdc92dd3 100644
--- a/dlls/ucrtbase/tests/file.c
+++ b/dlls/ucrtbase/tests/file.c
@@ -320,6 +320,12 @@ static void test_utf8(void)
     ret = remove(file2);
     ok(!ret, "remove returned %d, errno %d\n", ret, errno);

+    buf[0] = 'x';
+    _searchenv(file, "env", buf);
+    p = strrchr(buf, '\');
+    ok(!!p, "buf = %s\n", debugstr_a(buf));
+    ok(!strcmp(p + 1, file), "buf = %s\n", debugstr_a(buf));
+
     ret = _wunlink(fileW);
     todo_wine_if(GetACP() != CP_UTF8) ok(!ret, "_wunlink returned %d, errno %d\n", ret, errno);
     if (ret)