147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
/******************************************************************************
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* $Id$
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*
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* Copyright (c) 2005-2006 Transmission authors and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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#include "transmission.h"
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void tr_msg( int level, char * msg, ... )
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{
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char string[256];
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va_list args;
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static int verboseLevel = 0;
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if( !verboseLevel )
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{
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char * env;
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env = getenv( "TR_DEBUG" );
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verboseLevel = env ? atoi( env ) : -1;
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verboseLevel = verboseLevel ? verboseLevel : -1;
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}
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if( verboseLevel < 1 && level > TR_MSG_ERR )
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{
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return;
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}
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if( verboseLevel < 2 && level > TR_MSG_INF )
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{
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return;
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}
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va_start( args, msg );
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vsnprintf( string, sizeof( string ), msg, args );
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va_end( args );
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fprintf( stderr, "%s\n", string );
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}
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int tr_rand( int sup )
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{
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static int init = 0;
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if( !init )
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{
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srand( tr_date() );
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init = 1;
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}
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return rand() % sup;
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}
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void * tr_memmem( const void *vbig, size_t big_len,
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const void *vlittle, size_t little_len )
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{
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const char *big = vbig;
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const char *little = vlittle;
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size_t ii, jj;
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if( 0 == big_len || 0 == little_len )
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{
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return NULL;
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}
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for( ii = 0; ii + little_len <= big_len; ii++ )
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{
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for( jj = 0; jj < little_len; jj++ )
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{
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if( big[ii + jj] != little[jj] )
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{
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break;
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}
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}
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if( jj == little_len )
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{
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return (char*)big + ii;
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}
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}
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return NULL;
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}
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int tr_mkdir( char * path )
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{
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char * p, * pp;
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struct stat sb;
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int done;
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p = path;
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while( '/' == *p )
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p++;
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pp = p;
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done = 0;
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while( ( p = strchr( pp, '/' ) ) || ( p = strchr( pp, '\0' ) ) )
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{
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if( '\0' == *p)
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{
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done = 1;
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}
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else
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{
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*p = '\0';
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}
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if( stat( path, &sb ) )
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{
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/* Folder doesn't exist yet */
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if( mkdir( path, 0777 ) )
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{
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tr_err( "Could not create directory %s (%s)", path,
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strerror( errno ) );
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*p = '/';
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return 1;
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}
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}
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else if( ( sb.st_mode & S_IFMT ) != S_IFDIR )
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{
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/* Node exists but isn't a folder */
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tr_err( "Remove %s, it's in the way.", path );
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*p = '/';
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return 1;
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}
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if( done )
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{
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break;
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}
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*p = '/';
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p++;
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pp = p;
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}
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return 0;
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}
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