Logging.  
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Logging. 
General information can be found here.
◆ JAS_LOGTYPE_CLASS_DEBUG
      
        
          | #define JAS_LOGTYPE_CLASS_DEBUG   4 | 
      
 
Log type class for debugging messages. 
 
 
◆ JAS_LOGTYPE_CLASS_ERROR
      
        
          | #define JAS_LOGTYPE_CLASS_ERROR   1 | 
      
 
Log type class for errors. 
 
 
◆ JAS_LOGTYPE_CLASS_INFO
      
        
          | #define JAS_LOGTYPE_CLASS_INFO   3 | 
      
 
Log type class for informational messages. 
 
 
◆ JAS_LOGTYPE_CLASS_NULL
      
        
          | #define JAS_LOGTYPE_CLASS_NULL   0 | 
      
 
Log type class for unclassified messages. 
 
 
◆ JAS_LOGTYPE_CLASS_WARN
      
        
          | #define JAS_LOGTYPE_CLASS_WARN   2 | 
      
 
Log type class for warnings. 
 
 
◆ jas_vlogmsgf_t
Type used for formatted message logging function. 
 
 
◆ jas_logtype_getclass()
Get the class of a logtype. 
 
 
◆ jas_logtype_getpriority()
Get the priority of a logtype. 
 
 
◆ jas_logtype_init()
Create an instance of a logtype. 
 
 
◆ jas_vlogmsgf()
      
        
          | JAS_EXPORT int jas_vlogmsgf | ( | jas_logtype_t | type, | 
        
          |  |  | const char * | fmt, | 
        
          |  |  | va_list | ap ) | 
      
 
Print formatted log message. 
 
 
◆ jas_vlogmsgf_discard()
      
        
          | JAS_EXPORT int jas_vlogmsgf_discard | ( | jas_logtype_t | type, | 
        
          |  |  | const char * | fmt, | 
        
          |  |  | va_list | ap ) | 
      
 
Output a log message to nowhere (i.e., discard the message). 
 
 
◆ jas_vlogmsgf_stderr()
      
        
          | JAS_EXPORT int jas_vlogmsgf_stderr | ( | jas_logtype_t | type, | 
        
          |  |  | const char * | fmt, | 
        
          |  |  | va_list | ap ) | 
      
 
Output a log message to standard error.