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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14685 87f5fb63-7c3d-0410-a384-fd976d0f7a62
2025-12-08 14:59:05 +00:00 · 2004-07-26 16:36:55 +00:00
parent a9e8f137ad
commit 91bcdea2a2
669 changed files with 80825 additions and 0 deletions
--- a/library/fcntl_write.c
+++ b/library/fcntl_write.c
@@ -0,0 +1,146 @@
+/*
+ * $Id: fcntl_write.c,v 1.1.1.1 2004-07-26 16:30:34 obarthel Exp $
+ *
+ * :ts=4
+ *
+ * Portable ISO 'C' (1994) runtime library for the Amiga computer
+ * Copyright (c) 2002-2004 by Olaf Barthel <olsen@sourcery.han.de>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Neither the name of Olaf Barthel nor the names of contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _STDLIB_NULL_POINTER_CHECK_H
+#include "stdlib_null_pointer_check.h"
+#endif /* _STDLIB_NULL_POINTER_CHECK_H */
+
+/****************************************************************************/
+
+#ifndef _FCNTL_HEADERS_H
+#include "fcntl_headers.h"
+#endif /* _FCNTL_HEADERS_H */
+
+/****************************************************************************/
+
+/* The following is not part of the ISO 'C' standard. */
+
+/****************************************************************************/
+
+ssize_t
+__write(int file_descriptor, const void * buffer, size_t num_bytes, int * error_ptr)
+{
+	DECLARE_UTILITYBASE();
+	struct fd * fd;
+	off_t result = -1;
+
+	ENTER();
+
+	SHOWVALUE(file_descriptor);
+	SHOWPOINTER(buffer);
+	SHOWVALUE(num_bytes);
+
+	assert( error_ptr != NULL );
+	assert( buffer != NULL );
+	assert( (int)num_bytes >= 0 );
+	assert( UtilityBase != NULL );
+
+	#if defined(CHECK_FOR_NULL_POINTERS)
+	{
+		if(buffer == NULL)
+		{
+			SHOWMSG("invalid buffer address");
+
+			(*error_ptr) = EFAULT;
+			goto out;
+		}
+	}
+	#endif /* CHECK_FOR_NULL_POINTERS */
+
+	assert( file_descriptor >= 0 && file_descriptor < __num_fd );
+	assert( __fd[file_descriptor] != NULL );
+	assert( FLAG_IS_SET(__fd[file_descriptor]->fd_Flags,FDF_IN_USE) );
+
+	if(__check_abort_enabled)
+		__check_abort();
+
+	fd = __get_file_descriptor(file_descriptor);
+	if(fd == NULL)
+	{
+		(*error_ptr) = EBADF;
+		goto out;
+	}
+
+	if(FLAG_IS_CLEAR(fd->fd_Flags,FDF_WRITE))
+	{
+		SHOWMSG("file descriptor is not write-enabled");
+
+		(*error_ptr) = EBADF;
+		goto out;
+	}
+
+	if(num_bytes > 0)
+	{
+		struct file_hook_message message;
+
+		SHOWMSG("calling the hook");
+
+		message.action	= file_hook_action_write;
+		message.data	= (void *)buffer;
+		message.size	= num_bytes;
+
+		assert( fd->fd_Hook != NULL );
+
+		CallHookPkt(fd->fd_Hook,fd,&message);
+
+		(*error_ptr) = message.error;
+
+		result = message.result;
+	}
+	else
+	{
+		(*error_ptr) = 0;
+
+		result = 0;
+	}
+
+ out:
+
+	RETURN(result);
+	return(result);
+}
+
+/****************************************************************************/
+
+ssize_t
+write(int file_descriptor, const void * buffer, size_t num_bytes)
+{
+	ssize_t result;
+
+	ENTER();
+
+	result = __write(file_descriptor,buffer,num_bytes,&errno);
+
+	RETURN(result);
+	return(result);
+}