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      1 /*
      2  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_BASE_FORMAT_MACROS_H_
     12 #define WEBRTC_BASE_FORMAT_MACROS_H_
     13 
     14 // This file defines the format macros for some integer types and is derived
     15 // from Chromium's base/format_macros.h.
     16 
     17 // To print a 64-bit value in a portable way:
     18 //   int64_t value;
     19 //   printf("xyz:%" PRId64, value);
     20 // The "d" in the macro corresponds to %d; you can also use PRIu64 etc.
     21 //
     22 // To print a size_t value in a portable way:
     23 //   size_t size;
     24 //   printf("xyz: %" PRIuS, size);
     25 // The "u" in the macro corresponds to %u, and S is for "size".
     26 
     27 #include "webrtc/typedefs.h"
     28 
     29 #if defined(WEBRTC_POSIX)
     30 
     31 #if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64)
     32 #error "inttypes.h has already been included before this header file, but "
     33 #error "without __STDC_FORMAT_MACROS defined."
     34 #endif
     35 
     36 #if !defined(__STDC_FORMAT_MACROS)
     37 #define __STDC_FORMAT_MACROS
     38 #endif
     39 
     40 #include <inttypes.h>
     41 
     42 #if !defined(PRIuS)
     43 #define PRIuS "zu"
     44 #endif
     45 
     46 // The size of NSInteger and NSUInteger varies between 32-bit and 64-bit
     47 // architectures and Apple does not provides standard format macros and
     48 // recommends casting. This has many drawbacks, so instead define macros
     49 // for formatting those types.
     50 #if defined(WEBRTC_MAC)
     51 #if defined(WEBRTC_ARCH_64_BITS)
     52 #if !defined(PRIdNS)
     53 #define PRIdNS "ld"
     54 #endif
     55 #if !defined(PRIuNS)
     56 #define PRIuNS "lu"
     57 #endif
     58 #if !defined(PRIxNS)
     59 #define PRIxNS "lx"
     60 #endif
     61 #else  // defined(WEBRTC_ARCH_64_BITS)
     62 #if !defined(PRIdNS)
     63 #define PRIdNS "d"
     64 #endif
     65 #if !defined(PRIuNS)
     66 #define PRIuNS "u"
     67 #endif
     68 #if !defined(PRIxNS)
     69 #define PRIxNS "x"
     70 #endif
     71 #endif
     72 #endif  // defined(WEBRTC_MAC)
     73 
     74 #else  // WEBRTC_WIN
     75 
     76 #include <inttypes.h>
     77 
     78 #if !defined(PRId64)
     79 #define PRId64 "I64d"
     80 #endif
     81 
     82 #if !defined(PRIu64)
     83 #define PRIu64 "I64u"
     84 #endif
     85 
     86 #if !defined(PRIx64)
     87 #define PRIx64 "I64x"
     88 #endif
     89 
     90 #if !defined(PRIuS)
     91 #define PRIuS "Iu"
     92 #endif
     93 
     94 #endif
     95 
     96 #endif  // WEBRTC_BASE_FORMAT_MACROS_H_
     97