msi: Parse the MSIDBOPEN_PATCHFILE flag.

ca475820 · James Hawkins · Alexandre Julliard · ccd030c7 · ca475820 · ca475820
Commit ca475820 authored Jul 08, 2008 by James Hawkins Committed by Alexandre Julliard Jul 08, 2008
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database.c dlls/msi/database.c +7 -0

msiquery.h include/msiquery.h +2 -0

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--- a/dlls/msi/database.c
+++ b/dlls/msi/database.c
@@ -90,6 +90,13 @@ UINT MSI_OpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIDATABASE **pdb)
    if( !pdb )
        return ERROR_INVALID_PARAMETER;

+    if (szPersist - MSIDBOPEN_PATCHFILE >= MSIDBOPEN_READONLY &&
+        szPersist - MSIDBOPEN_PATCHFILE <= MSIDBOPEN_CREATEDIRECT)
+    {
+        TRACE("Database is a patch\n");
+        szPersist -= MSIDBOPEN_PATCHFILE;
+    }
+
    save_path = szDBPath;
    szMode = szPersist;
    if( HIWORD( szPersist ) )

--- a/include/msiquery.h
+++ b/include/msiquery.h
@@ -75,6 +75,8 @@ typedef enum tagMSIMODIFY
 #define MSIDBOPEN_CREATEDIRECT (LPCWSTR)4
 #endif

+#define MSIDBOPEN_PATCHFILE 32 / sizeof(*MSIDBOPEN_READONLY)
+
 typedef enum tagMSIRUNMODE
 {
    MSIRUNMODE_ADMIN = 0,