tor-browser

The Tor Browser
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format_macros.h (1958B)

      1 // Copyright 2009 The Chromium Authors
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef BASE_FORMAT_MACROS_H_
      6 #define BASE_FORMAT_MACROS_H_
      7 
      8 // This file defines the format macros for some integer types.
      9 
     10 // To print a 64-bit value in a portable way:
     11 //   int64_t value;
     12 //   printf("xyz:%" PRId64, value);
     13 // The "d" in the macro corresponds to %d; you can also use PRIu64 etc.
     14 //
     15 // For wide strings, prepend "Wide" to the macro:
     16 //   int64_t value;
     17 //   StringPrintf(L"xyz: %" WidePRId64, value);
     18 //
     19 // To print a size_t value in a portable way:
     20 //   size_t size;
     21 //   printf("xyz: %" PRIuS, size);
     22 // The "u" in the macro corresponds to %u, and S is for "size".
     23 
     24 #include <stddef.h>
     25 #include <stdint.h>
     26 
     27 #include "build/build_config.h"
     28 
     29 #if (BUILDFLAG(IS_POSIX) || BUILDFLAG(IS_FUCHSIA)) && \
     30    (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64)
     31 #error "inttypes.h has already been included before this header file, but "
     32 #error "without __STDC_FORMAT_MACROS defined."
     33 #endif
     34 
     35 #if (BUILDFLAG(IS_POSIX) || BUILDFLAG(IS_FUCHSIA)) && \
     36    !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 BUILDFLAG(IS_APPLE)
     51 #if defined(ARCH_CPU_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(ARCH_CPU_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  // BUILDFLAG(IS_APPLE)
     73 
     74 #endif  // BASE_FORMAT_MACROS_H_