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-rw-r--r--cpukit/libcsupport/src/write.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/write.c b/cpukit/libcsupport/src/write.c
new file mode 100644
index 0000000000..b723f426b6
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+++ b/cpukit/libcsupport/src/write.c
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+/*
+ * write() - POSIX 1003.1b 6.4.2 - Write to a File
+ *
+ * COPYRIGHT (c) 1989-2010.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/libio_.h>
+#include <rtems/seterr.h>
+
+/*
+ * write
+ *
+ * This routine writes count bytes from from buffer pointed to by buffer
+ * to the file associated with the open file descriptor, fildes.
+ */
+
+ssize_t write(
+ int fd,
+ const void *buffer,
+ size_t count
+)
+{
+ ssize_t rc;
+ rtems_libio_t *iop;
+
+ rtems_libio_check_fd( fd );
+ iop = rtems_libio_iop( fd );
+ rtems_libio_check_is_open( iop );
+ rtems_libio_check_buffer( buffer );
+ rtems_libio_check_count( count );
+ rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
+
+ /*
+ * Now process the write() request.
+ */
+ rc = (*iop->pathinfo.handlers->write_h)( iop, buffer, count );
+
+ if ( rc > 0 )
+ iop->offset += rc;
+
+ return rc;
+}