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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysys/my_quick.c
parentInitial commit. (diff)
downloadmariadb-upstream.tar.xz
mariadb-upstream.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--mysys/my_quick.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/mysys/my_quick.c b/mysys/my_quick.c
new file mode 100644
index 00000000..ae7f5cca
--- /dev/null
+++ b/mysys/my_quick.c
@@ -0,0 +1,82 @@
+/* Copyright (c) 2000, 2006, 2007 MySQL AB, 2009 Sun Microsystems, Inc.
+ Use is subject to license terms.
+
+ 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 02110-1335 USA */
+
+/* Quicker interface to read & write. Used with my_nosys.h */
+
+#include "mysys_priv.h"
+#include "my_nosys.h"
+
+
+#ifdef _WIN32
+extern size_t my_win_read(File Filedes,uchar *Buffer,size_t Count);
+#endif
+
+size_t my_quick_read(File Filedes,uchar *Buffer,size_t Count,myf MyFlags)
+{
+ size_t readbytes;
+#ifdef _WIN32
+ readbytes= my_win_read(Filedes, Buffer, Count);
+#else
+ readbytes= read(Filedes, Buffer, Count);
+#endif
+ if(readbytes != Count)
+ {
+#ifndef DBUG_OFF
+ if ((readbytes == 0 || readbytes == (size_t) -1) && errno == EINTR)
+ {
+ DBUG_PRINT("error", ("my_quick_read() was interrupted and returned %d"
+ ". This function does not retry the read!",
+ (int) readbytes));
+ }
+#endif
+ my_errno=errno;
+ return readbytes;
+ }
+ return (MyFlags & (MY_NABP | MY_FNABP)) ? 0 : readbytes;
+}
+
+
+
+size_t my_quick_write(File Filedes, const uchar *Buffer, size_t Count)
+{
+#ifdef _WIN32
+ return my_win_write(Filedes, Buffer, Count);
+#else
+
+#ifndef DBUG_OFF
+ size_t writtenbytes;
+#endif
+
+ if ((
+#ifndef DBUG_OFF
+ writtenbytes =
+#endif
+ (size_t) write(Filedes,Buffer,Count)) != Count)
+ {
+#ifndef DBUG_OFF
+ if ((writtenbytes == 0 || writtenbytes == (size_t) -1) && errno == EINTR)
+ {
+ DBUG_PRINT("error", ("my_quick_write() was interrupted and returned %d"
+ ". This function does not retry the write!",
+ (int) writtenbytes));
+ }
+#endif
+ my_errno=errno;
+ return (size_t) -1;
+ }
+ return 0;
+#endif
+}