From: John Hodge <tpg@mutabah.net>
Date: Wed, 3 Jul 2013 11:32:07 +0000 (+0800)
Subject: Kernel/syscalls - Implimenting _SysMkDir
X-Git-Tag: rel0.15~388
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=383e0a7b0f5f23bea1b9712abc1060798d20bb3a;p=tpg%2Facess2.git

Kernel/syscalls - Implimenting _SysMkDir
---

diff --git a/KernelLand/Kernel/syscalls.c b/KernelLand/Kernel/syscalls.c
index 34a35c5f..7a960114 100644
--- a/KernelLand/Kernel/syscalls.c
+++ b/KernelLand/Kernel/syscalls.c
@@ -315,14 +315,10 @@ void SyscallHandler(tSyscallRegs *Regs)
 		else
 		{
 			// Sanity check the paths
-			if(!Syscall_ValidString((char*)Regs->Arg1)
-			|| !Syscall_ValidString((char*)Regs->Arg2)
-			|| (Regs->Arg3 && !Syscall_ValidString((char*)Regs->Arg3))
-			|| !Syscall_ValidString((char*)Regs->Arg4) ) {
-				err = -EINVAL;
-				ret = -1;
-				break;
-			}
+			CHECK_STR_NONULL((char*)Regs->Arg1);
+			CHECK_STR_NONULL((char*)Regs->Arg2);
+			CHECK_STR_NULLOK((char*)Regs->Arg3);
+			CHECK_STR_NONULL((char*)Regs->Arg4);
 			ret = VFS_Mount(
 				(char*)Regs->Arg1,	// Device
 				(char*)Regs->Arg2,	// Mount point
@@ -355,7 +351,17 @@ void SyscallHandler(tSyscallRegs *Regs)
 			0	// User handles
 			);
 		break;
+
+	
+	// Create a directory
+	case SYS_MKDIR:
+		CHECK_STR_NONULL( (char*)Regs->Arg1 );
+		ret = VFS_MkDir( (char*)Regs->Arg1 );
+		break;
 	
+	case SYS_UNLINK:
+		Log_Error("Syscalls", "TODO: Impliment SYS_UNLINK");
+		// Fall
 	// -- Debug
 	//#if DEBUG_BUILD
 	case SYS_DEBUG:
diff --git a/KernelLand/Kernel/vfs/dir.c b/KernelLand/Kernel/vfs/dir.c
index 24175397..add48b0c 100644
--- a/KernelLand/Kernel/vfs/dir.c
+++ b/KernelLand/Kernel/vfs/dir.c
@@ -104,9 +104,11 @@ int VFS_MkNod(const char *Path, Uint Flags)
 	return ret==NULL;
 
 _error:
-	_CloseNode(parent);
-	ASSERT(mountpt->OpenHandleCount>0);
-	mountpt->OpenHandleCount --;
+	if( parent ) {
+		_CloseNode(parent);
+		ASSERT(mountpt->OpenHandleCount>0);
+		mountpt->OpenHandleCount --;
+	}
 	free(absPath);
 	LEAVE('i', -1);
 	return -1;
diff --git a/Usermode/Libraries/ld-acess.so_src/arch/syscalls.s.h b/Usermode/Libraries/ld-acess.so_src/arch/syscalls.s.h
index 8ed66842..98dfbcc3 100644
--- a/Usermode/Libraries/ld-acess.so_src/arch/syscalls.s.h
+++ b/Usermode/Libraries/ld-acess.so_src/arch/syscalls.s.h
@@ -56,5 +56,7 @@ SYSCALL1(_SysChdir, SYS_CHDIR)	// char*
 SYSCALL3(_SysIOCtl, SYS_IOCTL)	// int, int, void*
 SYSCALL4(_SysMount, SYS_MOUNT)	// char*, char*, char*, char*
 SYSCALL6(_SysSelect, SYS_SELECT)	// int, fd_set*, fd_set*, fd_set*, tTime*, uint32_t
+
+SYSCALL1(_SysMkDir, SYS_MKDIR)	// const char*
 SYSCALL1(_SysUnlink, SYS_UNLINK)	// const char*
 
diff --git a/Usermode/Libraries/ld-acess.so_src/include_exp/acess/sys.h b/Usermode/Libraries/ld-acess.so_src/include_exp/acess/sys.h
index bcd3d1fa..87decebd 100644
--- a/Usermode/Libraries/ld-acess.so_src/include_exp/acess/sys.h
+++ b/Usermode/Libraries/ld-acess.so_src/include_exp/acess/sys.h
@@ -93,6 +93,7 @@ extern int	_SysGetACL(int fd, t_sysACL *dest);
 extern int	_SysMount(const char *Device, const char *Directory, const char *Type, const char *Options);
 extern int	_SysSelect(int nfds, fd_set *read, fd_set *write, fd_set *err, int64_t *timeout, unsigned int extraevents);
 //#define select(nfs, rdfds, wrfds, erfds, timeout)	_SysSelect(nfs, rdfds, wrfds, erfds, timeout, 0)
+extern int	_SysMkDir(const char *dirname);
 extern int	_SysUnlink(const char *pathname);
 
 // --- IPC ---