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      1 /*
      2  * Copyright 2017 Google
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     21  * IN THE SOFTWARE.
     22  */
     23 
     24 #ifndef MESA_LOG_H
     25 #define MESA_LOG_H
     26 
     27 #include <stdarg.h>
     28 
     29 #include "util/macros.h"
     30 
     31 #ifdef __cplusplus
     32 extern "C" {
     33 #endif
     34 
     35 #ifndef MESA_LOG_TAG
     36 #define MESA_LOG_TAG "MESA"
     37 #endif
     38 
     39 enum mesa_log_level {
     40    MESA_LOG_ERROR,
     41    MESA_LOG_WARN,
     42    MESA_LOG_INFO,
     43    MESA_LOG_DEBUG,
     44 };
     45 
     46 void PRINTFLIKE(3, 4)
     47 mesa_log(enum mesa_log_level, const char *tag, const char *format, ...);
     48 
     49 void
     50 mesa_log_v(enum mesa_log_level, const char *tag, const char *format,
     51             va_list va);
     52 
     53 #define mesa_loge(fmt, ...) mesa_log(MESA_LOG_ERROR, (MESA_LOG_TAG), (fmt), ##__VA_ARGS__)
     54 #define mesa_logw(fmt, ...) mesa_log(MESA_LOG_WARN, (MESA_LOG_TAG), (fmt), ##__VA_ARGS__)
     55 #define mesa_logi(fmt, ...) mesa_log(MESA_LOG_INFO, (MESA_LOG_TAG), (fmt), ##__VA_ARGS__)
     56 #ifdef DEBUG
     57 #define mesa_logd(fmt, ...) mesa_log(MESA_LOG_DEBUG, (MESA_LOG_TAG), (fmt), ##__VA_ARGS__)
     58 #else
     59 #define mesa_logd(fmt, ...) __mesa_log_use_args((fmt), ##__VA_ARGS__)
     60 #endif
     61 
     62 #define mesa_loge_v(fmt, va) mesa_log_v(MESA_LOG_ERROR, (MESA_LOG_TAG), (fmt), (va))
     63 #define mesa_logw_v(fmt, va) mesa_log_v(MESA_LOG_WARN, (MESA_LOG_TAG), (fmt), (va))
     64 #define mesa_logi_v(fmt, va) mesa_log_v(MESA_LOG_INFO, (MESA_LOG_TAG), (fmt), (va))
     65 #ifdef DEBUG
     66 #define mesa_logd_v(fmt, va) mesa_log_v(MESA_LOG_DEBUG, (MESA_LOG_TAG), (fmt), (va))
     67 #else
     68 #define mesa_logd_v(fmt, va) __mesa_log_use_args((fmt), (va))
     69 #endif
     70 
     71 struct log_stream {
     72    char *msg;
     73    const char *tag;
     74    size_t pos;
     75    enum mesa_log_level level;
     76 };
     77 
     78 struct log_stream *_mesa_log_stream_create(enum mesa_log_level level, char *tag);
     79 #define mesa_log_streame() _mesa_log_stream_create(MESA_LOG_ERROR, (MESA_LOG_TAG))
     80 #define mesa_log_streamw() _mesa_log_stream_create(MESA_LOG_WARN, (MESA_LOG_TAG))
     81 #define mesa_log_streami() _mesa_log_stream_create(MESA_LOG_INFO, (MESA_LOG_TAG))
     82 void mesa_log_stream_destroy(struct log_stream *stream);
     83 void mesa_log_stream_printf(struct log_stream *stream, const char *format, ...);
     84 
     85 void _mesa_log_multiline(enum mesa_log_level level, const char *tag, const char *lines);
     86 #define mesa_log_multiline(level, lines) _mesa_log_multiline(level, (MESA_LOG_TAG), lines)
     87 
     88 #ifndef DEBUG
     89 /* Suppres -Wunused */
     90 static inline void PRINTFLIKE(1, 2)
     91 __mesa_log_use_args(UNUSED const char *format, ...) { }
     92 #endif
     93 
     94 #ifdef __cplusplus
     95 }
     96 #endif
     97 
     98 #endif /* MESA_LOG_H */
     99