stdio/xprintf_domain.h

   1 /*
   2  * Copyright (c) 2012 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef __XPRINTF_DOMAIN_H_
  25 #define __XPRINTF_DOMAIN_H_
  26
  27 #include <sys/cdefs.h>
  28 #include <printf.h>
  29 #include <pthread.h>
  30
  31 #define PRINTF_TBL_FIRST        '!'
  32 #define PRINTF_TBL_LAST         '~'
  33 #define PRINTF_TBL_SIZE         (PRINTF_TBL_LAST - PRINTF_TBL_FIRST + 1)
  34
  35 #define printf_tbl_index(x)     ((x) - PRINTF_TBL_FIRST)
  36 #define printf_tbl_in_range(x)  ((x) >= PRINTF_TBL_FIRST && (x) <= PRINTF_TBL_LAST)
  37
  38 enum {
  39     PRINTF_DOMAIN_UNUSED = 0,
  40     PRINTF_DOMAIN_GLIBC_API,
  41     PRINTF_DOMAIN_FBSD_API,
  42     PRINTF_DOMAIN_FLAG,
  43 };
  44 #define printf_domain_fbsd_api(d,x)     ((d)->type[x] == PRINTF_DOMAIN_FBSD_API)
  45 #define printf_domain_flag(d,x)         ((d)->type[x] == PRINTF_DOMAIN_FLAG)
  46 #define printf_domain_glibc_api(d,x)    ((d)->type[x] == PRINTF_DOMAIN_GLIBC_API)
  47 #define printf_domain_unused(d,x)       ((d)->type[x] == PRINTF_DOMAIN_UNUSED)
  48
  49 struct _printf_tbl {
  50     printf_arginfo_function *arginfo;
  51     void *render; /* either typedef printf_function or printf_render */
  52     void *context;
  53 };
  54 struct _printf_domain {
  55     pthread_rwlock_t rwlock;
  56     char type[PRINTF_TBL_SIZE];
  57     struct _printf_tbl tbl[PRINTF_TBL_SIZE];
  58 };
  59
  60 __BEGIN_DECLS
  61 __END_DECLS
  62
  63 #endif /* __XPRINTF_DOMAIN_H_ */