[v2 PATCH] dbghelp: Return a dos path from SymGetLineFromAddr

[Alistair Leslie-Hughes]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=34687

Signed-off-by: Alistair Leslie-Hughes 
---
 dlls/dbghelp/symbol.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/dlls/dbghelp/symbol.c b/dlls/dbghelp/symbol.c
index 25169043b6..5500bece7f 100644
--- a/dlls/dbghelp/symbol.c
+++ b/dlls/dbghelp/symbol.c
@@ -1478,7 +1478,25 @@ BOOL symt_fill_func_line_info(const struct module* module, const struct symt_fun
         }
         if (found)
         {
-            line->FileName = (char*)source_get(module, dli->u.source_file);
+            if (dbghelp_opt_native)
+            {
+                /* Return native file paths when using winedbg */
+                line->FileName = (char*)source_get(module, dli->u.source_file);
+            }
+            else
+            {
+                long len;
+                WCHAR *dospath = wine_get_dos_file_name((char*)source_get(module, dli->u.source_file));
+
+                len = WideCharToMultiByte(CP_ACP, 0, dospath, -1, NULL, 0, NULL, NULL);
+                if(len != -1)
+                {
+                    line->FileName = fetch_buffer(module->process, len);
+                    WideCharToMultiByte(CP_ACP, 0, dospath, -1, line->FileName, len, NULL, NULL);
+                }
+
+                HeapFree( GetProcessHeap(), 0, dospath );
+            }
             return TRUE;
         }
     }