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qpdf/libqpdf/Pl_StdioFile.cc
2012-06-25 10:51:44 -04:00

51 lines
851 B
C++

#include <qpdf/qpdf-config.h> // include first for large file support
#include <qpdf/Pl_StdioFile.hh>
#include <qpdf/QUtil.hh>
#include <stdexcept>
#include <errno.h>
Pl_StdioFile::Pl_StdioFile(char const* identifier, FILE* f) :
Pipeline(identifier, 0),
file(f)
{
}
Pl_StdioFile::~Pl_StdioFile()
{
}
void
Pl_StdioFile::write(unsigned char* buf, size_t len)
{
size_t so_far = 0;
while (len > 0)
{
so_far = fwrite(buf, 1, len, this->file);
if (so_far == 0)
{
QUtil::throw_system_error(
this->identifier + ": Pl_StdioFile::write");
}
else
{
buf += so_far;
len -= so_far;
}
}
}
void
Pl_StdioFile::finish()
{
if (fileno(this->file) != -1)
{
fflush(this->file);
}
else
{
throw std::logic_error(
this->identifier +
": Pl_StdioFile::finish: stream already closed");
}
}