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(trunk libT) minor tweak to verify: use tr_pread() instead of lseek+read

This commit is contained in:
Charles Kerr 2010-02-12 21:06:21 +00:00
parent d3ae2cf696
commit adc7d6f8a4
1 changed files with 6 additions and 9 deletions
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15
libtransmission/verify.c
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@ -72,6 +72,7 @@ verifyTorrent( tr_torrent * tor, tr_bool * stopFlag )
int64_t leftInPiece;
int64_t leftInFile;
int64_t bytesThisPass;
ssize_t numRead;
const tr_file * file = &tor->info.files[fileIndex];
/* if we're starting a new piece... */
@ -108,17 +109,13 @@ verifyTorrent( tr_torrent * tor, tr_bool * stopFlag )
/* fprintf( stderr, "reading this pass: %d\n", (int)bytesThisPass ); */
/* read a bit */
if( (fd>=0) && tr_lseek( fd, filePos, SEEK_SET ) != -1 ) {
const int64_t numRead = read( fd, buffer, bytesThisPass );
if( numRead > 0 )
pieceBytesRead += numRead;
if( numRead == bytesThisPass )
SHA1_Update( &sha, buffer, numRead );
numRead = tr_pread( fd, buffer, bytesThisPass, filePos );
if( numRead == bytesThisPass )
SHA1_Update( &sha, buffer, numRead );
if( numRead > 0 ) {
pieceBytesRead += numRead;
#if defined HAVE_POSIX_FADVISE && defined POSIX_FADV_DONTNEED
posix_fadvise( fd, filePos, bytesThisPass, POSIX_FADV_DONTNEED );
#endif
#ifdef SYS_DARWIN
fcntl( fd, F_NOCACHE, 1 );
#endif
}