vdr-plugin-streamdev/tools/file.c

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2004-12-30 23:43:55 +01:00
#include "tools/file.h"
#include <sys/stat.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
cTBFile::cTBFile(void) {
}
cTBFile::~cTBFile() {
Close();
}
bool cTBFile::Open(const cTBString &Filename, int Mode, mode_t Attribs) {
int filed;
if (IsOpen()) Close();
if ((filed = ::open(Filename, Mode, Attribs)) == -1)
return false;
if (!cTBSource::Open(filed))
return false;
m_Filename = Filename;
m_Anonymous = false;
return true;
}
bool cTBFile::Open(uint Fileno) {
if (IsOpen()) Close();
if (!cTBSource::Open(Fileno))
return false;
m_Filename.Format("<&%d>", Fileno);
m_Anonymous = true;
return true;
}
bool cTBFile::Close(void) {
bool ret = true;
if (!IsOpen())
ERRNUL(EBADF);
if (::close(*this) == -1)
ret = false;
if (!cTBSource::Close())
ret = false;
m_Filename.Clear();
return ret;
}
bool cTBFile::Unlink(void) const {
if (m_Filename.IsNull())
ERRNUL(ENOENT);
if (!IsOpen())
ERRNUL(EBADF);
if (m_Anonymous)
ERRNUL(EINVAL);
return cTBFile::Unlink(m_Filename);
}
bool cTBFile::Unlink(const cTBString &Filename) {
return (::unlink(Filename) != -1);
}
ssize_t cTBFile::Size(void) const {
struct stat buf;
if (!IsOpen())
ERRSYS(EBADF);
if (fstat(*this, &buf) == -1)
return -1;
return buf.st_size;
}
ssize_t cTBFile::Size(const cTBString &Filename) {
struct stat buf;
if (stat(Filename, &buf) == -1)
return -1;
return buf.st_size;
}