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/* Copyright (C) 2003 MySQL AB
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <ndb_global.h>
#include <File.hpp>
#include <NdbOut.hpp>
#include <my_dir.h>
//
// PUBLIC
//
time_t
File_class::mtime(const char* aFileName)
{
MY_STAT stmp;
time_t rc = 0;
if (my_stat(aFileName, &stmp, MYF(0)) != NULL) {
rc = stmp.st_mtime;
}
return rc;
}
bool
File_class::exists(const char* aFileName)
{
MY_STAT stmp;
return (my_stat(aFileName, &stmp, MYF(0))!=NULL);
}
off_t
File_class::size(FILE* f)
{
MY_STAT s;
// Note that my_fstat behaves *differently* than my_stat. ARGGGHH!
if (my_fstat(fileno(f), &s, MYF(0)))
return 0;
return s.st_size;
}
bool
File_class::rename(const char* currFileName, const char* newFileName)
{
return ::rename(currFileName, newFileName) == 0 ? true : false;
}
bool
File_class::remove(const char* aFileName)
{
return ::remove(aFileName) == 0 ? true : false;
}
File_class::File_class() :
m_file(NULL),
m_fileMode("r")
{
}
File_class::File_class(const char* aFileName, const char* mode) :
m_file(NULL),
m_fileMode(mode)
{
BaseString::snprintf(m_fileName, PATH_MAX, aFileName);
}
bool
File_class::open()
{
return open(m_fileName, m_fileMode);
}
bool
File_class::open(const char* aFileName, const char* mode)
{
if(m_fileName != aFileName){
/**
* Only copy if it's not the same string
*/
BaseString::snprintf(m_fileName, PATH_MAX, aFileName);
}
m_fileMode = mode;
bool rc = true;
if ((m_file = ::fopen(m_fileName, m_fileMode))== NULL)
{
rc = false;
}
return rc;
}
File_class::~File_class()
{
close();
}
bool
File_class::remove()
{
// Close the file first!
close();
return File_class::remove(m_fileName);
}
bool
File_class::close()
{
bool rc = true;
int retval = 0;
if (m_file != NULL)
{
::fflush(m_file);
retval = ::fclose(m_file);
while ( (retval != 0) && (errno == EINTR) ){
retval = ::fclose(m_file);
}
if( retval == 0){
rc = true;
}
else {
rc = false;
ndbout_c("ERROR: Close file error in File.cpp for %s",strerror(errno));
}
}
m_file = NULL;
return rc;
}
int
File_class::read(void* buf, size_t itemSize, size_t nitems) const
{
return ::fread(buf, itemSize, nitems, m_file);
}
int
File_class::readChar(char* buf, long start, long length) const
{
return ::fread((void*)&buf[start], 1, length, m_file);
}
int
File_class::readChar(char* buf)
{
return readChar(buf, 0, strlen(buf));
}
int
File_class::write(const void* buf, size_t size_arg, size_t nitems)
{
return ::fwrite(buf, size_arg, nitems, m_file);
}
int
File_class::writeChar(const char* buf, long start, long length)
{
return ::fwrite((const void*)&buf[start], sizeof(char), length, m_file);
}
int
File_class::writeChar(const char* buf)
{
return writeChar(buf, 0, ::strlen(buf));
}
off_t
File_class::size() const
{
return File_class::size(m_file);
}
const char*
File_class::getName() const
{
return m_fileName;
}
int
File_class::flush() const
{
return ::fflush(m_file);;
}
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