diff options
Diffstat (limited to 'base/format_macros.h')
| -rw-r--r-- | base/format_macros.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/base/format_macros.h b/base/format_macros.h index 383579f..d218f48 100644 --- a/base/format_macros.h +++ b/base/format_macros.h @@ -5,14 +5,21 @@ #ifndef BASE_FORMAT_MACROS_H_ #define BASE_FORMAT_MACROS_H_ -// This file defines the C99 format macros for 64-bit values. If you wish to -// print a 64-bit value in a portable way do: +// This file defines the format macros for some integer types. + +// To print a 64-bit value in a portable way: // int64_t value; // printf("xyz:%" PRId64, value); +// The "d" in the macro corresponds to %d; you can also use PRIu64 etc. // // For wide strings, prepend "Wide" to the macro: // int64_t value; // StringPrintf(L"xyz: %" WidePRId64, value); +// +// To print a size_t value in a portable way: +// size_t size; +// printf("xyz: %" PRIuS, size); +// The "u" in the macro corresponds to %u, and S is for "size". #include "build/build_config.h" @@ -35,6 +42,8 @@ #define WidePRIu64 PRIu64 #define WidePRIx64 PRIx64 +#define PRIuS "zu" + #else // OS_WIN #if !defined(PRId64) @@ -53,6 +62,8 @@ #define WidePRIu64 L"I64u" #define WidePRIx64 L"I64x" +#define PRIuS "Iu" + #endif #endif // !BASE_FORMAT_MACROS_H_ |