Piotr Caban : msvcrt: Add support for quoted paths in _searchenv_s.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 1cd091e6c11fa2f2b0de0f2f0f9de1892a22c807
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=1cd091e6c11fa2f2b0de0f2f0...

Author: Piotr Caban 
Date:   Wed Jan 29 13:42:11 2020 +0100

msvcrt: Add support for quoted paths in _searchenv_s.

Signed-off-by: Piotr Caban 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit 2e7ad72a8dae21aa5a16396c408007d48e43f5ec)
Signed-off-by: Michael Stefaniuc

---

dlls/msvcrt/dir.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/dlls/msvcrt/dir.c b/dlls/msvcrt/dir.c
index d07fcd6c7d..806a2b0c85 100644
--- a/dlls/msvcrt/dir.c
+++ b/dlls/msvcrt/dir.c
@@ -1763,12 +1763,27 @@ int CDECL MSVCRT__searchenv_s(const char* file, const char* env, char *buf, MSVC
   for(; *penv; penv = (*end ? end + 1 : end))
   {
     end = penv;
-    while(*end && *end != ';') end++; /* Find end of next path */
-    path_len = end - penv;
+    path_len = 0;
+    while(*end && *end != ';' && path_len < MAX_PATH)
+    {
+        if (*end == '"')
+        {
+            end++;
+            while(*end && *end != '"' && path_len < MAX_PATH)
+            {
+                path[path_len++] = *end;
+                end++;
+            }
+            if (*end == '"') end++;
+            continue;
+        }
+
+        path[path_len++] = *end;
+        end++;
+    }
     if (!path_len || path_len >= MAX_PATH)
       continue;

-    memcpy(path, penv, path_len);
     if (path[path_len - 1] != '/' && path[path_len - 1] != '\')
       path[path_len++] = '\';
     if (path_len + fname_len >= MAX_PATH)