Revert [619]

2026-04-19 16:31:13 +01:00 · 2006-07-16 19:39:23 +00:00
parent 5d36721a15
commit f199e0a9d9
413 changed files with 30055 additions and 0 deletions
--- a/libtransmission/utils.h
+++ b/libtransmission/utils.h
@@ -0,0 +1,164 @@
+/******************************************************************************
+ * $Id$
+ *
+ * Copyright (c) 2005-2006 Transmission authors and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *****************************************************************************/
+
+#ifndef TR_UTILS_H
+#define TR_UTILS_H 1
+
+#define TR_MSG_ERR 1
+#define TR_MSG_INF 2
+#define TR_MSG_DBG 4
+#define tr_err( a... ) tr_msg( TR_MSG_ERR, ## a )
+#define tr_inf( a... ) tr_msg( TR_MSG_INF, ## a )
+#define tr_dbg( a... ) tr_msg( TR_MSG_DBG, ## a )
+void tr_msg  ( int level, char * msg, ... );
+
+int  tr_rand ( int );
+
+void * tr_memmem( const void *, size_t, const void *, size_t );
+
+/***********************************************************************
+ * tr_mkdir
+ ***********************************************************************
+ * Create a directory and any needed parent directories.
+ * Note that the string passed in must be writable!
+ **********************************************************************/
+int tr_mkdir( char * path );
+
+/***********************************************************************
+ * tr_date
+ ***********************************************************************
+ * Returns the current date in milliseconds
+ **********************************************************************/
+static inline uint64_t tr_date()
+{
+    struct timeval tv;
+    gettimeofday( &tv, NULL );
+    return (uint64_t) tv.tv_sec * 1000 + ( tv.tv_usec / 1000 );
+}
+
+/***********************************************************************
+ * tr_wait
+ ***********************************************************************
+ * Wait 'delay' milliseconds
+ **********************************************************************/
+static inline void tr_wait( uint64_t delay )
+{
+#ifdef SYS_BEOS
+    snooze( 1000 * delay );
+#else
+    usleep( 1000 * delay );
+#endif
+}
+
+/***********************************************************************
+ * tr_bitfieldHas
+ **********************************************************************/
+static inline int tr_bitfieldHas( uint8_t * bitfield, int piece )
+{
+    return ( bitfield[ piece / 8 ] & ( 1 << ( 7 - ( piece % 8 ) ) ) );
+}
+
+/***********************************************************************
+ * tr_bitfieldAdd
+ **********************************************************************/
+static inline void tr_bitfieldAdd( uint8_t * bitfield, int piece )
+{
+    bitfield[ piece / 8 ] |= ( 1 << ( 7 - ( piece % 8 ) ) );
+}
+
+static inline void tr_bitfieldRem( uint8_t * bitfield, int piece )
+{
+    bitfield[ piece / 8 ] &= ~( 1 << ( 7 - ( piece % 8 ) ) );
+}
+
+#define tr_blockPiece(a) _tr_blockPiece(tor,a)
+static inline int _tr_blockPiece( tr_torrent_t * tor, int block )
+{
+    tr_info_t * inf = &tor->info;
+    return block / ( inf->pieceSize / tor->blockSize );
+}
+
+#define tr_blockSize(a) _tr_blockSize(tor,a)
+static inline int _tr_blockSize( tr_torrent_t * tor, int block )
+{
+    tr_info_t * inf = &tor->info;
+    int dummy;
+
+    if( block != tor->blockCount - 1 ||
+        !( dummy = inf->totalSize % tor->blockSize ) )
+    {
+        return tor->blockSize;
+    }
+
+    return dummy;
+}
+
+#define tr_blockPosInPiece(a) _tr_blockPosInPiece(tor,a)
+static inline int _tr_blockPosInPiece( tr_torrent_t * tor, int block )
+{
+    tr_info_t * inf = &tor->info;
+    return tor->blockSize *
+        ( block % ( inf->pieceSize / tor->blockSize ) );
+}
+
+#define tr_pieceCountBlocks(a) _tr_pieceCountBlocks(tor,a)
+static inline int _tr_pieceCountBlocks( tr_torrent_t * tor, int piece )
+{
+    tr_info_t * inf = &tor->info;
+    if( piece < inf->pieceCount - 1 ||
+        !( tor->blockCount % ( inf->pieceSize / tor->blockSize ) ) )
+    {
+        return inf->pieceSize / tor->blockSize;
+    }
+    return tor->blockCount % ( inf->pieceSize / tor->blockSize );
+}
+
+#define tr_pieceStartBlock(a) _tr_pieceStartBlock(tor,a)
+static inline int _tr_pieceStartBlock( tr_torrent_t * tor, int piece )
+{
+    tr_info_t * inf = &tor->info;
+    return piece * ( inf->pieceSize / tor->blockSize );
+}
+
+#define tr_pieceSize(a) _tr_pieceSize(tor,a)
+static inline int _tr_pieceSize( tr_torrent_t * tor, int piece )
+{
+    tr_info_t * inf = &tor->info;
+    if( piece < inf->pieceCount - 1 ||
+        !( inf->totalSize % inf->pieceSize ) )
+    {
+        return inf->pieceSize;
+    }
+    return inf->totalSize % inf->pieceSize;
+}
+
+#define tr_block(a,b) _tr_block(tor,a,b)
+static inline int _tr_block( tr_torrent_t * tor, int index, int begin )
+{
+    tr_info_t * inf = &tor->info;
+    return index * ( inf->pieceSize / tor->blockSize ) +
+        begin / tor->blockSize;
+}
+
+#endif