terrain

Real-time terrain generation using marching cubes
git clone git://git.christianermann.dev/terrain
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logger.c (902B)

      1 #include "logger.h"
      2 #include "types.h"
      3 
      4 #include <stdarg.h>
      5 #include <stdio.h>
      6 #include <string.h>
      7 
      8 #define MAX_LOG_LENGTH 4096
      9 
     10 void log_msg(log_level level, const char *message, ...)
     11 {
     12     char log_msg[MAX_LOG_LENGTH];
     13     memset(log_msg, 0, sizeof(log_msg));
     14 
     15     // Prefix with log level
     16     const char *level_strings[6] = {
     17         "[TRACE]: ",
     18         "[DEBUG]: ",
     19         "[INFO ]: ",
     20         "[WARN ]: ",
     21         "[ERROR]: ",
     22         "[FATAL]: ",
     23     };
     24     const char *prefix = level_strings[level];
     25     u32 prefix_length = strlen(prefix);
     26     strncpy(log_msg, prefix, prefix_length);
     27 
     28     // Append message
     29     va_list arg_ptr;
     30     va_start(arg_ptr, message);
     31     vsnprintf(
     32             log_msg + prefix_length,
     33             MAX_LOG_LENGTH - prefix_length,
     34             message,
     35             arg_ptr
     36     );
     37     va_end(arg_ptr);
     38 
     39     // Print log message
     40     fprintf(stderr, "%s\n", log_msg);
     41 }
     42