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@ -302,10 +302,20 @@ size_t return_peers_for_torrent( ot_torrent *torrent, size_t amount, char *reply
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return r - reply;
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}
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/* Release memory we allocated too much */
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static void fix_mmapallocation( void *buf, size_t old_alloc, size_t new_alloc ) {
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int res, page_size = getpagesize();
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size_t old_pages = 1 + old_alloc / page_size;
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size_t new_pages = 1 + new_alloc / page_size;
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if( old_pages != new_pages )
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munmap( ((char*)buf) + new_pages * page_size, old_alloc - new_pages * page_size );
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}
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/* Fetch full scrape info for all torrents */
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size_t return_fullscrape_for_tracker( char **reply ) {
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size_t torrent_count = 0, j;
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size_t allocated, replysize, usedpages;
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size_t allocated, replysize;
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int i, k;
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char *r;
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@ -338,17 +348,14 @@ size_t return_fullscrape_for_tracker( char **reply ) {
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*r++='e'; *r++='e';
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replysize = ( r - *reply );
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if( allocated > replysize ) {
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usedpages = 1 + ( replysize / getpagesize() );
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munmap( *reply + usedpages * getpagesize(), allocated - replysize );
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}
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fix_mmapallocation( *reply, allocated, replysize );
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return replysize;
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}
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size_t return_memstat_for_tracker( char **reply ) {
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size_t torrent_count = 0, j;
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size_t allocated, replysize, usedpages;
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size_t allocated, replysize;
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int i, k;
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char *r;
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@ -375,10 +382,7 @@ size_t return_memstat_for_tracker( char **reply ) {
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}
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replysize = ( r - *reply );
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if( allocated > replysize ) {
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usedpages = 1 + ( replysize / getpagesize() );
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munmap( *reply + usedpages * getpagesize(), allocated - replysize );
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}
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fix_mmapallocation( *reply, allocated, replysize );
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return replysize;
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}
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