source: trunk/libtransmission/utils.c @ 1

Last change on this file since 1 was 1, checked in by root, 15 years ago

Import from 2005-10-26

File size: 2.0 KB
Line 
1/******************************************************************************
2 * Copyright (c) 2005 Eric Petit
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 *****************************************************************************/
22
23#include "transmission.h"
24
25void tr_msg( int level, char * msg, ... )
26{
27    char         string[256];
28    va_list      args;
29    static int   verboseLevel = 0;
30
31    if( !verboseLevel )
32    {
33        char * env;
34        env          = getenv( "TR_DEBUG" );
35        verboseLevel = env ? atoi( env ) : -1;
36        verboseLevel = verboseLevel ? verboseLevel : -1;
37    }
38
39    if( verboseLevel < 1 && level > TR_MSG_ERR )
40    {
41        return;
42    }
43    if( verboseLevel < 2 && level > TR_MSG_INF )
44    {
45        return;
46    }
47
48    va_start( args, msg );
49    vsnprintf( string, sizeof( string ), msg, args );
50    va_end( args );
51    fprintf( stderr, "%s\n", string );
52}
53
54int tr_rand( int sup )
55{
56    static int init = 0;
57    if( !init )
58    {
59        srand( tr_date() );
60        init = 1;
61    }
62    return rand() % sup;
63}
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