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1 | pmbaty | 1 | /* |
2 | Simple DirectMedia Layer |
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8 | pmbaty | 3 | Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> |
1 | pmbaty | 4 | |
5 | This software is provided 'as-is', without any express or implied |
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6 | warranty. In no event will the authors be held liable for any damages |
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7 | arising from the use of this software. |
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8 | |||
9 | Permission is granted to anyone to use this software for any purpose, |
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10 | including commercial applications, and to alter it and redistribute it |
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11 | freely, subject to the following restrictions: |
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12 | |||
13 | 1. The origin of this software must not be misrepresented; you must not |
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14 | claim that you wrote the original software. If you use this software |
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15 | in a product, an acknowledgment in the product documentation would be |
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16 | appreciated but is not required. |
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17 | 2. Altered source versions must be plainly marked as such, and must not be |
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18 | misrepresented as being the original software. |
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19 | 3. This notice may not be removed or altered from any source distribution. |
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20 | */ |
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21 | |||
22 | /** |
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23 | * \file SDL_log.h |
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24 | * |
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25 | * Simple log messages with categories and priorities. |
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26 | * |
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27 | * By default logs are quiet, but if you're debugging SDL you might want: |
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28 | * |
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29 | * SDL_LogSetAllPriority(SDL_LOG_PRIORITY_WARN); |
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30 | * |
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31 | * Here's where the messages go on different platforms: |
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32 | * Windows: debug output stream |
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33 | * Android: log output |
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34 | * Others: standard error output (stderr) |
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35 | */ |
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36 | |||
37 | #ifndef SDL_log_h_ |
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38 | #define SDL_log_h_ |
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39 | |||
40 | #include "SDL_stdinc.h" |
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41 | |||
42 | #include "begin_code.h" |
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43 | /* Set up for C function definitions, even when using C++ */ |
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44 | #ifdef __cplusplus |
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45 | extern "C" { |
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46 | #endif |
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47 | |||
48 | |||
49 | /** |
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50 | * \brief The maximum size of a log message |
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51 | * |
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52 | * Messages longer than the maximum size will be truncated |
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53 | */ |
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54 | #define SDL_MAX_LOG_MESSAGE 4096 |
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55 | |||
56 | /** |
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57 | * \brief The predefined log categories |
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58 | * |
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59 | * By default the application category is enabled at the INFO level, |
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60 | * the assert category is enabled at the WARN level, test is enabled |
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61 | * at the VERBOSE level and all other categories are enabled at the |
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62 | * CRITICAL level. |
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63 | */ |
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64 | enum |
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65 | { |
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66 | SDL_LOG_CATEGORY_APPLICATION, |
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67 | SDL_LOG_CATEGORY_ERROR, |
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68 | SDL_LOG_CATEGORY_ASSERT, |
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69 | SDL_LOG_CATEGORY_SYSTEM, |
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70 | SDL_LOG_CATEGORY_AUDIO, |
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71 | SDL_LOG_CATEGORY_VIDEO, |
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72 | SDL_LOG_CATEGORY_RENDER, |
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73 | SDL_LOG_CATEGORY_INPUT, |
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74 | SDL_LOG_CATEGORY_TEST, |
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75 | |||
76 | /* Reserved for future SDL library use */ |
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77 | SDL_LOG_CATEGORY_RESERVED1, |
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78 | SDL_LOG_CATEGORY_RESERVED2, |
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79 | SDL_LOG_CATEGORY_RESERVED3, |
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80 | SDL_LOG_CATEGORY_RESERVED4, |
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81 | SDL_LOG_CATEGORY_RESERVED5, |
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82 | SDL_LOG_CATEGORY_RESERVED6, |
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83 | SDL_LOG_CATEGORY_RESERVED7, |
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84 | SDL_LOG_CATEGORY_RESERVED8, |
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85 | SDL_LOG_CATEGORY_RESERVED9, |
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86 | SDL_LOG_CATEGORY_RESERVED10, |
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87 | |||
88 | /* Beyond this point is reserved for application use, e.g. |
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89 | enum { |
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90 | MYAPP_CATEGORY_AWESOME1 = SDL_LOG_CATEGORY_CUSTOM, |
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91 | MYAPP_CATEGORY_AWESOME2, |
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92 | MYAPP_CATEGORY_AWESOME3, |
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93 | ... |
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94 | }; |
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95 | */ |
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96 | SDL_LOG_CATEGORY_CUSTOM |
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97 | }; |
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98 | |||
99 | /** |
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100 | * \brief The predefined log priorities |
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101 | */ |
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102 | typedef enum |
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103 | { |
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104 | SDL_LOG_PRIORITY_VERBOSE = 1, |
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105 | SDL_LOG_PRIORITY_DEBUG, |
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106 | SDL_LOG_PRIORITY_INFO, |
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107 | SDL_LOG_PRIORITY_WARN, |
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108 | SDL_LOG_PRIORITY_ERROR, |
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109 | SDL_LOG_PRIORITY_CRITICAL, |
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110 | SDL_NUM_LOG_PRIORITIES |
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111 | } SDL_LogPriority; |
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112 | |||
113 | |||
114 | /** |
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115 | * \brief Set the priority of all log categories |
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116 | */ |
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117 | extern DECLSPEC void SDLCALL SDL_LogSetAllPriority(SDL_LogPriority priority); |
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118 | |||
119 | /** |
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120 | * \brief Set the priority of a particular log category |
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121 | */ |
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122 | extern DECLSPEC void SDLCALL SDL_LogSetPriority(int category, |
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123 | SDL_LogPriority priority); |
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124 | |||
125 | /** |
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126 | * \brief Get the priority of a particular log category |
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127 | */ |
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128 | extern DECLSPEC SDL_LogPriority SDLCALL SDL_LogGetPriority(int category); |
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129 | |||
130 | /** |
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131 | * \brief Reset all priorities to default. |
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132 | * |
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133 | * \note This is called in SDL_Quit(). |
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134 | */ |
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135 | extern DECLSPEC void SDLCALL SDL_LogResetPriorities(void); |
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136 | |||
137 | /** |
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138 | * \brief Log a message with SDL_LOG_CATEGORY_APPLICATION and SDL_LOG_PRIORITY_INFO |
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139 | */ |
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140 | extern DECLSPEC void SDLCALL SDL_Log(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(1); |
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141 | |||
142 | /** |
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143 | * \brief Log a message with SDL_LOG_PRIORITY_VERBOSE |
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144 | */ |
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145 | extern DECLSPEC void SDLCALL SDL_LogVerbose(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2); |
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146 | |||
147 | /** |
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148 | * \brief Log a message with SDL_LOG_PRIORITY_DEBUG |
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149 | */ |
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150 | extern DECLSPEC void SDLCALL SDL_LogDebug(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2); |
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151 | |||
152 | /** |
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153 | * \brief Log a message with SDL_LOG_PRIORITY_INFO |
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154 | */ |
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155 | extern DECLSPEC void SDLCALL SDL_LogInfo(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2); |
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156 | |||
157 | /** |
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158 | * \brief Log a message with SDL_LOG_PRIORITY_WARN |
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159 | */ |
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160 | extern DECLSPEC void SDLCALL SDL_LogWarn(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2); |
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161 | |||
162 | /** |
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163 | * \brief Log a message with SDL_LOG_PRIORITY_ERROR |
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164 | */ |
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165 | extern DECLSPEC void SDLCALL SDL_LogError(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2); |
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166 | |||
167 | /** |
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168 | * \brief Log a message with SDL_LOG_PRIORITY_CRITICAL |
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169 | */ |
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170 | extern DECLSPEC void SDLCALL SDL_LogCritical(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2); |
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171 | |||
172 | /** |
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173 | * \brief Log a message with the specified category and priority. |
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174 | */ |
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175 | extern DECLSPEC void SDLCALL SDL_LogMessage(int category, |
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176 | SDL_LogPriority priority, |
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177 | SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(3); |
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178 | |||
179 | /** |
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180 | * \brief Log a message with the specified category and priority. |
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181 | */ |
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182 | extern DECLSPEC void SDLCALL SDL_LogMessageV(int category, |
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183 | SDL_LogPriority priority, |
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184 | const char *fmt, va_list ap); |
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185 | |||
186 | /** |
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187 | * \brief The prototype for the log output function |
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188 | */ |
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189 | typedef void (SDLCALL *SDL_LogOutputFunction)(void *userdata, int category, SDL_LogPriority priority, const char *message); |
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190 | |||
191 | /** |
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192 | * \brief Get the current log output function. |
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193 | */ |
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194 | extern DECLSPEC void SDLCALL SDL_LogGetOutputFunction(SDL_LogOutputFunction *callback, void **userdata); |
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195 | |||
196 | /** |
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197 | * \brief This function allows you to replace the default log output |
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198 | * function with one of your own. |
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199 | */ |
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200 | extern DECLSPEC void SDLCALL SDL_LogSetOutputFunction(SDL_LogOutputFunction callback, void *userdata); |
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201 | |||
202 | |||
203 | /* Ends C function definitions when using C++ */ |
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204 | #ifdef __cplusplus |
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205 | } |
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206 | #endif |
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207 | #include "close_code.h" |
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208 | |||
209 | #endif /* SDL_log_h_ */ |
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210 | |||
211 | /* vi: set ts=4 sw=4 expandtab: */ |