| 1 | /****************************************************************************** |
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| 2 | * $Id: misc.h 1621 2007-03-31 20:30:18Z joshe $ |
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| 3 | * |
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| 4 | * Copyright (c) 2007 Joshua Elsasser |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 11 | * Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice shall be included in |
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| 14 | * all copies or substantial portions of the Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 22 | * DEALINGS IN THE SOFTWARE. |
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| 23 | *****************************************************************************/ |
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| 24 | |
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| 25 | #ifndef TR_DAEMON_MISC_H |
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| 26 | #define TR_DAEMON_MISC_H |
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| 27 | |
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| 28 | #include <limits.h> |
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| 29 | |
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| 30 | #include "bsdqueue.h" |
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| 31 | |
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| 32 | #define CONF_FILE_LOCK "lock" |
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| 33 | #define CONF_FILE_SOCKET "socket" |
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| 34 | #define CONF_FILE_STATE "state" |
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| 35 | |
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| 36 | enum confpathtype |
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| 37 | { |
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| 38 | CONF_PATH_TYPE_DAEMON, |
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| 39 | CONF_PATH_TYPE_GTK, |
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| 40 | }; |
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| 41 | |
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| 42 | struct event_base; |
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| 43 | struct bufferevent; |
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| 44 | |
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| 45 | /* this doesn't seem to be in the libevent header */ |
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| 46 | int bufferevent_base_set( struct event_base *, struct bufferevent * ); |
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| 47 | |
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| 48 | #ifdef __GNUC__ |
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| 49 | # define UNUSED __attribute__((unused)) |
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| 50 | #else |
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| 51 | # define UNUSED |
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| 52 | #endif |
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| 53 | |
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| 54 | #ifdef __GNUC__ |
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| 55 | # define PRINTF( fmt, args ) __attribute__((format (printf, fmt, args))) |
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| 56 | #else |
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| 57 | # define PRINTF( fmt, args ) |
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| 58 | #endif |
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| 59 | |
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| 60 | #define ARRAYLEN( ary ) ( sizeof( ary ) / sizeof( (ary)[0] ) ) |
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| 61 | |
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| 62 | #ifndef MIN |
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| 63 | #define MIN( aa, bb ) ( (aa) < (bb) ? (aa) : (bb) ) |
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| 64 | #endif |
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| 65 | #ifndef MAX |
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| 66 | #define MAX( aa, bb ) ( (aa) > (bb) ? (aa) : (bb) ) |
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| 67 | #endif |
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| 68 | |
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| 69 | #undef NULL |
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| 70 | #define NULL ( ( void * )0 ) |
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| 71 | |
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| 72 | #define TORRENT_ID_VALID( id ) ( 0 < (id) && INT_MAX > (id) ) |
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| 73 | |
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| 74 | #define SAFEFREE( ptr ) \ |
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| 75 | do \ |
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| 76 | { \ |
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| 77 | int saved = errno; \ |
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| 78 | free( ptr ); \ |
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| 79 | errno = saved; \ |
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| 80 | } \ |
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| 81 | while( 0 ) |
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| 82 | #define SAFEFREESTRLIST( ptr ) \ |
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| 83 | do \ |
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| 84 | { \ |
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| 85 | int saved = errno; \ |
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| 86 | FREESTRLIST( ptr ); \ |
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| 87 | errno = saved; \ |
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| 88 | } \ |
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| 89 | while( 0 ) |
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| 90 | #define SAFEBENCFREE( val ) \ |
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| 91 | do \ |
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| 92 | { \ |
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| 93 | int saved = errno; \ |
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| 94 | tr_bencFree( val ); \ |
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| 95 | errno = saved; \ |
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| 96 | } \ |
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| 97 | while( 0 ) |
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| 98 | |
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| 99 | #define INTCMP_FUNC( name, type, id ) \ |
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| 100 | int \ |
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| 101 | name( struct type * _icf_first, struct type * _icf_second ) \ |
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| 102 | { \ |
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| 103 | if( _icf_first->id < _icf_second->id ) \ |
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| 104 | { \ |
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| 105 | return -1; \ |
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| 106 | } \ |
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| 107 | else if( _icf_first->id > _icf_second->id ) \ |
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| 108 | { \ |
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| 109 | return 1; \ |
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| 110 | } \ |
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| 111 | else \ |
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| 112 | { \ |
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| 113 | return 0; \ |
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| 114 | } \ |
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| 115 | } |
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| 116 | |
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| 117 | struct stritem |
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| 118 | { |
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| 119 | char * str; |
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| 120 | SLIST_ENTRY( stritem ) next; |
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| 121 | }; |
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| 122 | |
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| 123 | SLIST_HEAD( strlist, stritem ); |
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| 124 | |
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| 125 | #define FREESTRLIST( _fl_head ) \ |
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| 126 | while( !SLIST_EMPTY( _fl_head ) ) \ |
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| 127 | { \ |
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| 128 | struct stritem * _fl_dead = SLIST_FIRST( _fl_head ); \ |
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| 129 | SLIST_REMOVE_HEAD( _fl_head, next ); \ |
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| 130 | free( _fl_dead->str ); \ |
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| 131 | free( _fl_dead ); \ |
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| 132 | } |
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| 133 | |
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| 134 | void setmyname ( const char * ); |
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| 135 | const char * getmyname ( void ); |
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| 136 | void confpath ( char *, size_t, const char *, enum confpathtype ); |
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| 137 | void absolutify( char *, size_t, const char * ); |
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| 138 | |
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| 139 | #endif /* TR_DAEMON_MISC_H */ |
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