From: short <>
Date: Wed, 8 Oct 2003 20:50:43 +0000 (+0000)
Subject: captive_private_bcb_pin_object_get_ref():
X-Git-Tag: captive-0_9_4~13
X-Git-Url: http://git.jankratochvil.net/?a=commitdiff_plain;h=fefa87dfab6aa01e5d61b401e4fc68fe5297de06;p=captive.git

captive_private_bcb_pin_object_get_ref():
 - Fixes FAT32 bootability after any file written.
 - Invalide possibly only 'map'ped data as we need to re-read them.
 - Bugreported by Pavouk.
---

diff --git a/src/libcaptive/cc/privatebcbpin.c b/src/libcaptive/cc/privatebcbpin.c
index 9f7deef..a89c9c2 100644
--- a/src/libcaptive/cc/privatebcbpin.c
+++ b/src/libcaptive/cc/privatebcbpin.c
@@ -291,6 +291,16 @@ CaptivePrivateBcbPinObject *captive_private_bcb_pin_object;
 		g_object_ref(captive_private_bcb_pin_object);
 		return captive_private_bcb_pin_object;
 		}
+
+	/* Invalide possibly only 'map'ped data as we need to re-read them.
+	 * Otherwise any file written by fastfat.sys of NT-5.1sp1 will corrupt
+	 * the code+55AA of DOS boot sector (disk offset 0x0).
+	 */
+	captive_shared_cache_map_flush(captive_shared_cache_map_object,
+			offset,offset+PAGE_SIZE);
+	captive_shared_cache_map_set_data_invalid(captive_shared_cache_map_object,
+			offset,offset+PAGE_SIZE);
+
 	return captive_private_bcb_pin_object_new(captive_shared_cache_map_object,offset);
 }