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msi: Only extract a file when its disk id matches the media disk id.

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This makes sure that an updated file is extracted from the cabinet stream
included in the patch, instead of the original source.
This commit is contained in:
Hans Leidekker 2010-05-12 14:18:41 +02:00 committed by Alexandre Julliard
parent 376c2fd02b
commit 6475c11c1f
1 changed files with 3 additions and 5 deletions
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8
dlls/msi/files.c
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@ -179,6 +179,7 @@ static BOOL installfiles_cb(MSIPACKAGE *package, LPCWSTR file, DWORD action,
LPWSTR *path, DWORD *attrs, PVOID user)
{
static MSIFILE *f = NULL;
MSIMEDIAINFO *mi = user;
if (action == MSICABEXTRACT_BEGINEXTRACT)
{
@ -189,11 +190,8 @@ static BOOL installfiles_cb(MSIPACKAGE *package, LPCWSTR file, DWORD action,
return FALSE;
}
if (f->state != msifs_missing && f->state != msifs_overwrite)
{
TRACE("Skipping extraction of %s\n", debugstr_w(file));
if (f->disk_id != mi->disk_id || (f->state != msifs_missing && f->state != msifs_overwrite))
return FALSE;
}
msi_file_update_ui(package, f, szInstallFiles);
@ -257,7 +255,7 @@ UINT ACTION_InstallFiles(MSIPACKAGE *package)
data.mi = mi;
data.package = package;
data.cb = installfiles_cb;
data.user = NULL;
data.user = mi;
if (file->IsCompressed &&
!msi_cabextract(package, mi, &data))