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premiere-libtorrent
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changed to use ftruncate to allocate files

This commit is contained in:
Arvid Norberg 2007-09-16 00:48:21 +00:00
parent b1f10e5825
commit 5b8ce7f6a0
1 changed files with 8 additions and 11 deletions
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19
src/file.cpp
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@ -247,19 +247,16 @@ namespace libtorrent
void set_size(size_type s)
{
size_type pos = tell();
// Only set size if current file size not equals s.
// 2 as "m" argument is to be sure seek() sets SEEK_END on
// all compilers.
if(s != seek(0, 2))
#ifdef _WIN32
#error file.cpp is for posix systems only. use file_win.cpp on windows
#else
if (ftruncate(m_fd, s) < 0)
{
seek(s - 1);
char dummy = 0;
read(&dummy, 1);
seek(s - 1);
write(&dummy, 1);
std::stringstream msg;
msg << "ftruncate failed: '" << strerror(errno);
throw file_error(msg.str());
}
seek(pos);
#endif
}
size_type seek(size_type offset, int m = 1)