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-rw-r--r--mysql/mysys/my_write.c129
1 files changed, 0 insertions, 129 deletions
diff --git a/mysql/mysys/my_write.c b/mysql/mysys/my_write.c
deleted file mode 100644
index d849949..0000000
--- a/mysql/mysys/my_write.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; version 2 of the License.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
-
-#include "mysys_priv.h"
-#include "my_sys.h"
-#include "mysys_err.h"
-#include <errno.h>
-#include "my_thread_local.h"
-
-
-/**
- Write a chunk of bytes to a file
-
- if (MyFlags & (MY_NABP | MY_FNABP))
- @returns
- 0 if Count == 0
- On succes, 0
- On failure, (size_t)-1 == MY_FILE_ERROR
-
- otherwise
- @returns
- 0 if Count == 0
- On success, the number of bytes written.
- On partial success (if less than Count bytes could be written),
- the actual number of bytes written.
- On failure, (size_t)-1 == MY_FILE_ERROR
-*/
-size_t my_write(File Filedes, const uchar *Buffer, size_t Count, myf MyFlags)
-{
- size_t writtenbytes;
- size_t sum_written= 0;
- uint errors= 0;
- const size_t initial_count= Count;
-
- DBUG_ENTER("my_write");
- DBUG_PRINT("my",("fd: %d Buffer: %p Count: %lu MyFlags: %d",
- Filedes, Buffer, (ulong) Count, MyFlags));
-
- /* The behavior of write(fd, buf, 0) is not portable */
- if (unlikely(!Count))
- DBUG_RETURN(0);
-
- DBUG_EXECUTE_IF ("simulate_no_free_space_error",
- { DBUG_SET("+d,simulate_file_write_error");});
- for (;;)
- {
- errno= 0;
-#ifdef _WIN32
- writtenbytes= my_win_write(Filedes, Buffer, Count);
-#else
- writtenbytes= write(Filedes, Buffer, Count);
-#endif
- DBUG_EXECUTE_IF("simulate_file_write_error",
- {
- errno= ENOSPC;
- writtenbytes= (size_t) -1;
- });
- if (writtenbytes == Count)
- {
- sum_written+= writtenbytes;
- break;
- }
- if (writtenbytes != (size_t) -1)
- { /* Safeguard */
- sum_written+= writtenbytes;
- Buffer+= writtenbytes;
- Count-= writtenbytes;
- }
- set_my_errno(errno);
- DBUG_PRINT("error",("Write only %ld bytes, error: %d",
- (long) writtenbytes, my_errno()));
- if (is_killed_hook(NULL))
- MyFlags&= ~ MY_WAIT_IF_FULL; /* End if aborted by user */
-
- if ((my_errno() == ENOSPC || my_errno() == EDQUOT) &&
- (MyFlags & MY_WAIT_IF_FULL))
- {
- wait_for_free_space(my_filename(Filedes), errors);
- errors++;
- DBUG_EXECUTE_IF("simulate_no_free_space_error",
- { DBUG_SET("-d,simulate_file_write_error");});
- continue;
- }
-
- if (writtenbytes != 0 && writtenbytes != (size_t) -1)
- continue; /* Retry if something written */
- else if (my_errno() == EINTR)
- {
- DBUG_PRINT("debug", ("my_write() was interrupted and returned %ld",
- (long) writtenbytes));
- continue; /* Interrupted, retry */
- }
- else if (writtenbytes == 0 && !errors++) /* Retry once */
- {
- /* We may come here if the file quota is exeeded */
- continue;
- }
- break;
- }
- if (MyFlags & (MY_NABP | MY_FNABP))
- {
- if (sum_written == initial_count)
- DBUG_RETURN(0); /* Want only errors, not bytes written */
- if (MyFlags & (MY_WME | MY_FAE | MY_FNABP))
- {
- char errbuf[MYSYS_STRERROR_SIZE];
- my_error(EE_WRITE, MYF(0), my_filename(Filedes),
- my_errno(), my_strerror(errbuf, sizeof(errbuf), my_errno()));
- }
- DBUG_RETURN(MY_FILE_ERROR);
- }
-
- if (sum_written == 0)
- DBUG_RETURN(MY_FILE_ERROR);
-
- DBUG_RETURN(sum_written);
-} /* my_write */