202 lines
6.3 KiB
C
202 lines
6.3 KiB
C
/******************************************************************************
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* $Id$
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*
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* Copyright (c) 2005-2008 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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#ifndef TR_UTILS_H
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#define TR_UTILS_H 1
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#include <inttypes.h>
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#include <stdarg.h>
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#include <stddef.h> /* for size_t */
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#include <stdio.h> /* FILE* */
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void tr_msgInit( void );
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#if !defined(_)
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#if defined(SYS_DARWIN)
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#define _(a) (a)
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#elif HAVE_LIBINTL
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#include <libintl.h>
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#define _(a) gettext (a)
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#else
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#define _(a) (a)
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#endif
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#endif
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#define tr_nerr( n, a... ) tr_msg( __FILE__, __LINE__, TR_MSG_ERR, n, ## a )
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#define tr_ninf( n, a... ) tr_msg( __FILE__, __LINE__, TR_MSG_INF, n, ## a )
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#define tr_ndbg( n, a... ) tr_msg( __FILE__, __LINE__, TR_MSG_DBG, n, ## a )
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#define tr_torerr( tor, a... ) tr_msg( __FILE__, __LINE__, TR_MSG_ERR, tor->info.name, ## a )
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#define tr_torinf( tor, a... ) tr_msg( __FILE__, __LINE__, TR_MSG_INF, tor->info.name, ## a )
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#define tr_tordbg( tor, a... ) tr_msg( __FILE__, __LINE__, TR_MSG_DBG, tor->info.name, ## a )
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#define tr_err( a... ) tr_msg( __FILE__, __LINE__, TR_MSG_ERR, NULL, ## a )
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#define tr_inf( a... ) tr_msg( __FILE__, __LINE__, TR_MSG_INF, NULL, ## a )
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#define tr_dbg( a... ) tr_msg( __FILE__, __LINE__, TR_MSG_DBG, NULL, ## a )
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void tr_msg ( const char * file, int line, int level, const char * torrent, const char * msg, ... );
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FILE* tr_getLog( void );
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char* tr_getLogTimeStr( char * buf, int buflen );
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/** Returns a random number in the range of [0...n) */
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int tr_rand ( int n );
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/**
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* a portability wrapper around mkdir().
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* On WIN32, the `permissions' argument is unused.
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*
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* @return zero on success, or -1 if an error occurred
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* (in which case errno is set appropriately).
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*/
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int tr_mkdir( const char * path, int permissions );
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/**
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* Like mkdir, but makes parent directories as needed.
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*
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* @return zero on success, or -1 if an error occurred
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* (in which case errno is set appropriately).
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*/
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int tr_mkdirp( const char * path, int permissions );
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uint8_t* tr_loadFile( const char * filename, size_t * size );
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int tr_vasprintf( char **strp, const char *fmt, va_list ap );
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int tr_asprintf( char **strp, const char *fmt, ...);
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/* creates a filename from a series of elements using the
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correct separator for filenames. */
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void tr_buildPath( char* buf, size_t buflen,
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const char * first_element, ... );
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struct timeval timevalMsec( uint64_t milliseconds );
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int tr_ioErrorFromErrno( int err );
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const char * tr_errorString( int code );
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/* return the current date in milliseconds */
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uint64_t tr_date( void );
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/* wait the specified number of milliseconds */
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void tr_wait( uint64_t delay_milliseconds );
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/***
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****
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***/
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/* Sometimes the system defines MAX/MIN, sometimes not. In the latter
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case, define those here since we will use them */
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#ifndef MAX
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#define MAX(a,b) ((a)>(b)?(a):(b))
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#endif
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#ifndef MIN
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#define MIN(a,b) ((a)>(b)?(b):(a))
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#endif
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/***
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****
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***/
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#define tr_new(struct_type, n_structs) \
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((struct_type *) tr_malloc (((size_t) sizeof (struct_type)) * ((size_t) (n_structs))))
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#define tr_new0(struct_type, n_structs) \
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((struct_type *) tr_malloc0 (((size_t) sizeof (struct_type)) * ((size_t) (n_structs))))
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#define tr_renew(struct_type, mem, n_structs) \
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((struct_type *) realloc ((mem), ((size_t) sizeof (struct_type)) * ((size_t) (n_structs))))
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void* tr_malloc ( size_t );
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void* tr_malloc0 ( size_t );
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void* tr_calloc ( size_t nmemb, size_t size );
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void tr_free ( void* );
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char* tr_strdup( const char * str );
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char* tr_strndup( const char * str, int len );
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const char* tr_strerror( int );
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/***
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****
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***/
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typedef void (tr_set_func)(void * element, void * userData );
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void tr_set_compare( const void * a, size_t aCount,
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const void * b, size_t bCount,
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int compare( const void * a, const void * b ),
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size_t elementSize,
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tr_set_func in_a_cb,
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tr_set_func in_b_cb,
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tr_set_func in_both_cb,
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void * userData );
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int tr_compareUint16( uint16_t a, uint16_t b );
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int tr_compareUint32( uint32_t a, uint32_t b );
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void tr_sha1_to_hex( char * out, const uint8_t * sha1 );
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int tr_httpParseURL( const char * url,
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int url_len,
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char ** setme_host,
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int * setme_port,
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char ** setme_path );
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/***
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****
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***/
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struct tr_bitfield
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{
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uint8_t * bits;
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size_t len;
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};
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typedef struct tr_bitfield tr_bitfield;
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typedef struct tr_bitfield tr_bitfield_t;
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tr_bitfield* tr_bitfieldNew( size_t bitcount );
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tr_bitfield* tr_bitfieldDup( const tr_bitfield* );
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void tr_bitfieldFree( tr_bitfield*);
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void tr_bitfieldClear( tr_bitfield* );
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int tr_bitfieldAdd( tr_bitfield*, size_t bit );
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int tr_bitfieldRem( tr_bitfield*, size_t bit );
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int tr_bitfieldAddRange( tr_bitfield *, size_t begin, size_t end );
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int tr_bitfieldRemRange ( tr_bitfield*, size_t begin, size_t end );
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int tr_bitfieldHas( const tr_bitfield*, size_t bit );
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int tr_bitfieldIsEmpty( const tr_bitfield* );
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size_t tr_bitfieldCountTrueBits( const tr_bitfield* );
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tr_bitfield* tr_bitfieldOr( tr_bitfield*, const tr_bitfield* );
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double tr_getRatio( double numerator, double denominator );
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#endif
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