/* Copyright 2012 David Robillard Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /** @file log.h C header for the LV2 Log extension . */ #ifndef LV2_LOG_H #define LV2_LOG_H #define LV2_LOG_URI "http://lv2plug.in/ns/ext/log" #define LV2_LOG_PREFIX LV2_LOG_URI "#" #define LV2_LOG__Entry LV2_LOG_PREFIX "Entry" #define LV2_LOG__Error LV2_LOG_PREFIX "Error" #define LV2_LOG__Note LV2_LOG_PREFIX "Note" #define LV2_LOG__Trace LV2_LOG_PREFIX "Trace" #define LV2_LOG__Warning LV2_LOG_PREFIX "Warning" #define LV2_LOG__log LV2_LOG_PREFIX "log" #include #include "lv2/lv2plug.in/ns/ext/urid/urid.h" #ifdef __cplusplus extern "C" { #endif #ifdef __GNUC__ /** Allow type checking of printf-like functions. */ # define LV2_LOG_FUNC(fmt, arg1) __attribute__((format(printf, fmt, arg1))) #else # define LV2_LOG_FUNC(fmt, arg1) #endif /** Opaque data to host data for LV2_Log_Log. */ typedef void* LV2_Log_Handle; /** Log feature (LV2_LOG__log) */ typedef struct _LV2_Log { /** Opaque pointer to host data. This MUST be passed to methods in this struct whenever they are called. Otherwise, it must not be interpreted in any way. */ LV2_Log_Handle handle; /** Log a message, passing format parameters directly. The API of this function matches that of the standard C printf function, except for the addition of the first two parameters. This function may be called from any non-realtime context, or from any context if @p type is @ref LV2_LOG__Trace. */ LV2_LOG_FUNC(3, 4) int (*printf)(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...); /** Log a message, passing format parameters in a va_list. The API of this function matches that of the standard C vprintf function, except for the addition of the first two parameters. This function may be called from any non-realtime context, or from any context if @p type is @ref LV2_LOG__Trace. */ LV2_LOG_FUNC(3, 0) int (*vprintf)(LV2_Log_Handle handle, LV2_URID type, const char* fmt, va_list ap); } LV2_Log_Log; #ifdef __cplusplus } /* extern "C" */ #endif #endif /* LV2_LOG_H */ 'n1' href='#n1'>1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169