Integrate MySQL module.

2025-06-28 21:17:11 +02:00 · 2020-03-22 14:54:40 +02:00
parent 0d254ed90b
commit 2ee661ee65
438 changed files with 130907 additions and 0 deletions
--- a/module/Vendor/MDBC/libmariadb/my_open.c
+++ b/module/Vendor/MDBC/libmariadb/my_open.c
@ -0,0 +1,126 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02111-1301, USA */
+
+#define USES_TYPES
+#include "mysys_priv.h"
+#include "mysys_err.h"
+#include <my_dir.h>
+#include <errno.h>
+#if defined(MSDOS) || defined(_WIN32) || defined(__EMX__) || defined(OS2)
+#include <share.h>
+#endif
+
+	/* Open a file */
+
+File my_open(const char *FileName, int Flags, myf MyFlags)
+				/* Path-name of file */
+				/* Read | write .. */
+				/* Special flags */
+{
+  File fd;
+  DBUG_ENTER("my_open");
+  DBUG_PRINT("my",("Name: '%s'  Flags: %d  MyFlags: %d",
+		   FileName, Flags, MyFlags));
+#if defined(MSDOS) || defined(_WIN32) || defined(__EMX__) || defined(OS2)
+  if (Flags & O_SHARE)
+    fd = sopen((my_string) FileName, (Flags & ~O_SHARE) | O_BINARY, SH_DENYNO,
+	       MY_S_IREAD | MY_S_IWRITE);
+  else
+    fd = open((my_string) FileName, Flags | O_BINARY,
+	      MY_S_IREAD | MY_S_IWRITE);
+#elif !defined(NO_OPEN_3)
+  fd = open(FileName, Flags, my_umask);	/* Normal unix */
+#else
+  fd = open((my_string) FileName, Flags);
+#endif
+  DBUG_RETURN(my_register_filename(fd, FileName, FILE_BY_OPEN,
+				   EE_FILENOTFOUND, MyFlags));
+} /* my_open */
+
+
+	/* Close a file */
+
+int my_close(File fd, myf MyFlags)
+{
+  int err;
+  DBUG_ENTER("my_close");
+  DBUG_PRINT("my",("fd: %d  MyFlags: %d",fd, MyFlags));
+
+  pthread_mutex_lock(&THR_LOCK_open);
+  if ((err = close(fd)))
+  {
+    DBUG_PRINT("error",("Got error %d on close",err));
+    my_errno=errno;
+    if (MyFlags & (MY_FAE | MY_WME))
+      my_error(EE_BADCLOSE, MYF(ME_BELL+ME_WAITTANG),my_filename(fd),errno);
+  }
+  if ((uint) fd < MY_NFILE && my_file_info[fd].type != UNOPEN)
+  {
+    my_free(my_file_info[fd].name);
+#if defined(THREAD) && !defined(HAVE_PREAD)
+    pthread_mutex_destroy(&my_file_info[fd].mutex);
+#endif
+    my_file_info[fd].type = UNOPEN;
+  }
+  my_file_opened--;
+  pthread_mutex_unlock(&THR_LOCK_open);
+  DBUG_RETURN(err);
+} /* my_close */
+
+
+File my_register_filename(File fd, const char *FileName, enum file_type
+			  type_of_file, uint error_message_number, myf MyFlags)
+{
+  if ((int) fd >= 0)
+  {
+    if ((int) fd >= MY_NFILE)
+    {
+#if defined(THREAD) && !defined(HAVE_PREAD)
+      (void) my_close(fd,MyFlags);
+      my_errno=EMFILE;
+      if (MyFlags & (MY_FFNF | MY_FAE | MY_WME))
+	my_error(EE_OUT_OF_FILERESOURCES, MYF(ME_BELL+ME_WAITTANG),
+		 FileName, my_errno);
+      return(-1);
+#endif
+      thread_safe_increment(my_file_opened,&THR_LOCK_open);
+      return(fd);				/* safeguard */
+    }
+    pthread_mutex_lock(&THR_LOCK_open);
+    if ((my_file_info[fd].name = (char*) my_strdup(FileName,MyFlags)))
+    {
+      my_file_opened++;
+      my_file_info[fd].type = type_of_file;
+#if defined(THREAD) && !defined(HAVE_PREAD)
+      pthread_mutex_init(&my_file_info[fd].mutex,MY_MUTEX_INIT_FAST);
+#endif
+      pthread_mutex_unlock(&THR_LOCK_open);
+      DBUG_PRINT("exit",("fd: %d",fd));
+      return(fd);
+    }
+    pthread_mutex_unlock(&THR_LOCK_open);
+    (void) my_close(fd, MyFlags);
+    my_errno=ENOMEM;
+  }
+  else
+    my_errno=errno;
+  DBUG_PRINT("error",("Got error %d on open",my_errno));
+  if (MyFlags & (MY_FFNF | MY_FAE | MY_WME))
+    my_error(error_message_number, MYF(ME_BELL+ME_WAITTANG),
+	     FileName, my_errno);
+  return(fd);
+}