1 /* 2 * Private debugging macros for CUPS. 3 * 4 * Copyright 2007-2012 by Apple Inc. 5 * Copyright 1997-2005 by Easy Software Products. 6 * 7 * These coded instructions, statements, and computer programs are the 8 * property of Apple Inc. and are protected by Federal copyright 9 * law. Distribution and use rights are outlined in the file "LICENSE.txt" 10 * which should have been included with this file. If this file is 11 * missing or damaged, see the license at "http://www.cups.org/". 12 * 13 * This file is subject to the Apple OS-Developed Software exception. 14 */ 15 16 #ifndef _CUPS_DEBUG_PRIVATE_H_ 17 # define _CUPS_DEBUG_PRIVATE_H_ 18 19 20 /* 21 * Include necessary headers... 22 */ 23 24 # include <cups/versioning.h> 25 26 27 /* 28 * C++ magic... 29 */ 30 31 # ifdef __cplusplus 32 extern "C" { 33 # endif /* __cplusplus */ 34 35 36 /* 37 * The debug macros are used if you compile with DEBUG defined. 38 * 39 * Usage: 40 * 41 * DEBUG_puts("string") 42 * DEBUG_printf(("format string", arg, arg, ...)); 43 * 44 * Note the extra parenthesis around the DEBUG_printf macro... 45 * 46 * Newlines are not required on the end of messages, as both add one when 47 * writing the output. 48 * 49 * If the first character is a digit, then it represents the "log level" of the 50 * message from 0 to 9. The default level is 1. The following defines the 51 * current levels we use: 52 * 53 * 0 = public APIs, other than value accessor functions 54 * 1 = return values for public APIs 55 * 2 = public value accessor APIs, progress for public APIs 56 * 3 = return values for value accessor APIs 57 * 4 = private APIs, progress for value accessor APIs 58 * 5 = return values for private APIs 59 * 6 = progress for private APIs 60 * 7 = static functions 61 * 8 = return values for static functions 62 * 9 = progress for static functions 63 * 64 * The DEBUG_set macro allows an application to programmatically enable (or 65 * disable) debug logging. The arguments correspond to the CUPS_DEBUG_LOG, 66 * CUPS_DEBUG_LEVEL, and CUPS_DEBUG_FILTER environment variables. 67 */ 68 69 # ifdef DEBUG 70 # ifdef WIN32 71 # ifdef LIBCUPS2_EXPORTS 72 # define DLLExport __declspec(dllexport) 73 # else 74 # define DLLExport 75 # endif /* LIBCUPS2_EXPORTS */ 76 # else 77 # define DLLExport 78 # endif /* WIN32 */ 79 # define DEBUG_puts(x) _cups_debug_puts(x) 80 # define DEBUG_printf(x) _cups_debug_printf x 81 # define DEBUG_set(logfile,level,filter) _cups_debug_set(logfile,level,filter,1) 82 # else 83 # define DLLExport 84 # define DEBUG_puts(x) 85 # define DEBUG_printf(x) 86 # define DEBUG_set(logfile,level,filter) 87 # endif /* DEBUG */ 88 89 90 /* 91 * Prototypes... 92 */ 93 94 extern int _cups_debug_fd; 95 extern int _cups_debug_level; 96 extern void DLLExport _cups_debug_printf(const char *format, ...) 97 __attribute__ ((__format__ (__printf__, 1, 2))); 98 extern void DLLExport _cups_debug_puts(const char *s); 99 extern void DLLExport _cups_debug_set(const char *logfile, 100 const char *level, const char *filter, 101 int force); 102 # ifdef WIN32 103 extern int _cups_gettimeofday(struct timeval *tv, void *tz); 104 # define gettimeofday(a,b) _cups_gettimeofday(a, b) 105 # endif /* WIN32 */ 106 107 # ifdef __cplusplus 108 } 109 # endif /* __cplusplus */ 110 111 #endif /* !_CUPS_DEBUG_PRIVATE_H_ */ 112