From: John Hodge <tpg@ucc.asn.au>
Date: Sun, 11 Mar 2012 06:43:18 +0000 (+0800)
Subject: AcessNative - Possible fix to ioctl() bugs
X-Git-Tag: rel0.15~731
X-Git-Url: https://git.ucc.asn.au/?p=tpg%2Facess2.git;a=commitdiff_plain;h=43c4f4db78b98e0427a04dc4b281359580591915

AcessNative - Possible fix to ioctl() bugs
---

diff --git a/AcessNative/acesskernel_src/threads.c b/AcessNative/acesskernel_src/threads.c
index a2a58981..71fa2941 100644
--- a/AcessNative/acesskernel_src/threads.c
+++ b/AcessNative/acesskernel_src/threads.c
@@ -50,7 +50,7 @@ typedef struct sProcess
 	 int	MaxFD;
 } tProcess;
 
-typedef struct sThread
+struct sThread
 {
 	struct sThread	*GlobalNext;
 	struct sThread	*Next;
@@ -82,7 +82,7 @@ typedef struct sThread
 	Uint32	Events, WaitMask;
 	SDL_sem	*EventSem;
 
-}	tThread;
+};
 
 // === PROTOTYPES ===
  int	Threads_Wake(tThread *Thread);
diff --git a/AcessNative/ld-acess_src/exports.c b/AcessNative/ld-acess_src/exports.c
index 0c87bda6..c236b526 100644
--- a/AcessNative/ld-acess_src/exports.c
+++ b/AcessNative/ld-acess_src/exports.c
@@ -12,6 +12,7 @@
 #include <stddef.h>
 
 #define DEBUG(v...)	Debug(v)
+#define PAGE_SIZE	4096
 
 typedef struct sFILE	FILE;
 
@@ -93,9 +94,14 @@ uint64_t acess_tell(int FD) {
 }
 
 int acess_ioctl(int fd, int id, void *data) {
+	 int	len;
 	// NOTE: 1024 byte size is a hack
 	DEBUG("ioctl(%i, %i, %p)", fd, id, data);
-	return _Syscall(SYS_IOCTL, ">i >i ?d", fd, id, 1024, data);
+	if( data == NULL )
+		len = 0;
+	else
+		len = PAGE_SIZE - ((uintptr_t)data % PAGE_SIZE);
+	return _Syscall(SYS_IOCTL, ">i >i ?d", fd, id, len, data);
 }
 int acess_finfo(int fd, t_sysFInfo *info, int maxacls) {
 //	DEBUG("offsetof(size, t_sysFInfo) = %i", offsetof(t_sysFInfo, size));