Juan Lang : wininet: Account for disk space usage when deleting url cache entries.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a0397541036f7cedd47cde5bb830e576c5c654b5
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a0397541036f7cedd47cde5bb830e576c5c654b5

Author: Juan Lang <juan.lang at gmail.com>
Date:   Tue Mar  8 08:06:10 2011 -0800

wininet: Account for disk space usage when deleting url cache entries.

---

 dlls/wininet/urlcache.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/dlls/wininet/urlcache.c b/dlls/wininet/urlcache.c
index e888360..639e135 100644
--- a/dlls/wininet/urlcache.c
+++ b/dlls/wininet/urlcache.c
@@ -2963,6 +2963,10 @@ BOOL WINAPI DeleteUrlCacheEntryA(LPCSTR lpszUrlName)
         if (pHeader->directory_data[pUrlEntry->CacheDir].dwNumFiles)
             pHeader->directory_data[pUrlEntry->CacheDir].dwNumFiles--;
     }
+    if (pUrlEntry->size.QuadPart < pHeader->CacheUsage.QuadPart)
+        pHeader->CacheUsage.QuadPart -= pUrlEntry->size.QuadPart;
+    else
+        pHeader->CacheUsage.QuadPart = 0;
 
     URLCache_DeleteEntry(pHeader, pEntry);
 
@@ -3042,6 +3046,10 @@ BOOL WINAPI DeleteUrlCacheEntryW(LPCWSTR lpszUrlName)
         if (pHeader->directory_data[pUrlEntry->CacheDir].dwNumFiles)
             pHeader->directory_data[pUrlEntry->CacheDir].dwNumFiles--;
     }
+    if (pUrlEntry->size.QuadPart < pHeader->CacheUsage.QuadPart)
+        pHeader->CacheUsage.QuadPart -= pUrlEntry->size.QuadPart;
+    else
+        pHeader->CacheUsage.QuadPart = 0;
 
     URLCache_DeleteEntry(pHeader, pEntry);