Fixed some embarassing errors

[reactos.git] / posix / lib / psxdll / unistd / write.c

diff --git a/posix/lib/psxdll/unistd/write.c b/posix/lib/psxdll/unistd/write.c
index a234ef3..2afec83 100644 (file)
--- a/posix/lib/psxdll/unistd/write.c
+++ b/posix/lib/psxdll/unistd/write.c
@@ -1,4 +1,4 @@
-/* $Id:
+/* $Id: write.c,v 1.4 2002/05/17 01:54:39 hyperion Exp $
  */
 /*
  * COPYRIGHT:   See COPYING in the top level directory
@@ -8,8 +8,61 @@
  * PROGRAMMER:  KJK::Hyperion <noog@libero.it>
  * UPDATE HISTORY:
  *              15/02/2002: Created
+ *              21/03/2002: Implemented write() (KJK::Hyperion <noog@libero.it>)
  */
 
+#include <ddk/ntddk.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <psx/debug.h>
+#include <psx/errno.h>
+#include <psx/fdtable.h>
+
+ssize_t write(int fildes, const void *buf, size_t nbyte)
+{
+ __fildes_t      fdDescriptor;
+ NTSTATUS        nErrCode;
+ IO_STATUS_BLOCK isbStatus;
+
+ if(nbyte == 0)
+  return (0);
+
+ if(fcntl(fildes, F_GETALL, &fdDescriptor) == -1)
+ {
+  ERR("fcntl() failed, errno %d", errno);
+  return (0);
+ }
+
+ if((fdDescriptor.OpenFlags && O_APPEND) == O_APPEND)
+ {
+  TODO("move file pointer to the end");
+ }
+
+ INFO("handle for descriptor %d is %d", fildes, fdDescriptor.FileHandle);
+
+ nErrCode = NtWriteFile
+ (
+  fdDescriptor.FileHandle,
+  NULL,
+  NULL,
+  NULL,
+  &isbStatus,
+  (PVOID)buf,
+  nbyte,
+  NULL,
+  NULL
+ );
+
+ if(!NT_SUCCESS(nErrCode))
+ {
+  ERR("NtWriteFile() failed with status 0x%08X", nErrCode);
+  errno = __status_to_errno(nErrCode);
+  return (0);
+ }
+
+ return (isbStatus.Information);
+}
 
 /* EOF */