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Added licensing preamble. Got it to build.

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This commit is contained in:
Patrick LeBlanc
2019-01-23 13:02:53 -06:00
parent 88273bfc14
commit 51bb9f3050
17 changed files with 339 additions and 168 deletions
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106
utils/cloudio/SMFileFactory.cpp
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@ -1,7 +1,24 @@
# copy licensing stuff here
/* Copyright (C) 2019 MariaDB Corporaton
#include <sys/types.h>
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 Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include <sys/stat.h>
#include <fcntl.h>
#include "SMFileFactory.h"
#include "SMDataFile.h"
#include "SMComm.h"
using namespace std;
@ -9,64 +26,57 @@ using namespace std;
namespace idbdatafile {
#define _toUint64(ptr_to_eight_bytes) *((uint64_t *) ptr_to_eight_bytes)
IDBDataFile* SMFileFactory::open(const char *filename, const char *mode, uint opts, uint colWidth)
IDBDataFile* SMFileFactory::open(const char *filename, const char *mode, unsigned opts, unsigned colWidth)
{
bool _read = false;
bool _write = false;
bool at_eof = false;
bool create = false;
bool truncate = false;
bool append_only = false;
string s_filename = filename;
bool append = false;
// strip 'b' chars from mode
char newmode[8] = {'\0'}; // there'd better not be 7 chars in the mode string
int i = 0;
for (char *c = mode; *c != '\0' && i < 8; c++)
for (const char *c = mode; *c != '\0' && i < 8; c++)
if (*c != 'b')
newmode[i++] = *c;
if (i == 8)
if (i == 8) {
errno = EINVAL;
return NULL;
// I hate dealing with C-lib file IO. This is ugly but fast.
switch (_toUint64(newmode)) {
case _toUint64("r\0\0\0\0\0\0\0"):
_read = true;
break;
case _toUint64("r+\0\0\0\0\0\0"):
_read = true;
_write = true;
break;
case _toUint64("w\0\0\0\0\0\0\0"):
_write = true;
truncate = true;
create = true;
break;
case _toUint64("w+\0\0\0\0\0\0"):
_read = true;
_write = true;
truncate = true;
create = true;
break;
case _toUint64("a\0\0\0\0\0\0\0"):
_write = true;
create = true;
at_eof = true;
break;
case _toUint64("a+\0\0\0\0\0\0"):
_read = true;
_write = true;
create = true;
append_only = true;
break;
default:
return NULL;
}
// parse the new mode string
if (newmode[0] == 'r')
{
_read = true;
if (newmode[1] == '+')
_write = true;
}
else if (newmode[0] == 'w')
{
_write = true;
truncate = true;
create = true;
if (newmode[1] == '+')
_read = true;
}
else if (newmode[0] == 'a')
{
_write = true;
create = true;
append = true;
if (newmode[1] == '+')
_read = true;
}
else
{
errno = EINVAL;
return NULL;
}
// turn newmode into posix flags
uint posix_flags = 0;
if (_read && write)
if (_read && _write)
posix_flags |= O_RDWR;
else if (_read)
posix_flags |= O_RDONLY;
@ -75,15 +85,15 @@ IDBDataFile* SMFileFactory::open(const char *filename, const char *mode, uint op
posix_flags |= (create ? O_CREAT : 0);
posix_flags |= (truncate ? O_TRUNC : 0);
posix_flage |= (at_eof ? O_APPEND : 0);
posix_flags |= (append ? O_APPEND : 0);
SMComm *comm = SMComm::get();
struct stat _stat;
int err = comm->open(s_filename, posix_flags, &stat);
int err = comm->open(filename, posix_flags, &_stat);
if (!err)
return NULL;
SMDataFile *ret = new SMDataFile(s_filename, posix_flags, append_only, stat);
SMDataFile *ret = new SMDataFile(filename, posix_flags, _stat);
return ret;
}