diff options
Diffstat (limited to 'manual')
| -rw-r--r-- | manual/arith.texi | 4 | ||||
| -rw-r--r-- | manual/lang.texi | 32 |
2 files changed, 35 insertions, 1 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index 23b93736ac..dc3c367d49 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -110,7 +110,9 @@ minimum possible values for each integer data type. The macro names follow these examples: @code{INT32_MAX}, @code{UINT8_MAX}, @code{INT_FAST32_MIN}, @code{INT_LEAST64_MIN}, @code{UINTMAX_MAX}, @code{INTMAX_MAX}, @code{INTMAX_MIN}. Note that there are no macros for -unsigned integer minima. These are always zero. +unsigned integer minima. These are always zero. Similiarly, there +are macros such as @code{INTMAX_WIDTH} for the width of these types. +Those macros for integer type widths come from TS 18661-1:2014. @cindex maximum possible integer @cindex minimum possible integer diff --git a/manual/lang.texi b/manual/lang.texi index 3705df0599..ae7d5be30e 100644 --- a/manual/lang.texi +++ b/manual/lang.texi @@ -703,6 +703,38 @@ int}, @code{long long int} and @code{unsigned long long int}, respectively. @end table +Further such macros are defined in @file{stdint.h}. Apart from those +for types specified by width (@pxref{Integers}), the following are +defined. + +@table @code +@comment stdint.h +@comment ISO +@item INTPTR_WIDTH +@comment stdint.h +@comment ISO +@itemx UINTPTR_WIDTH +@comment stdint.h +@comment ISO +@itemx PTRDIFF_WIDTH +@comment stdint.h +@comment ISO +@itemx SIG_ATOMIC_WIDTH +@comment stdint.h +@comment ISO +@itemx SIZE_WIDTH +@comment stdint.h +@comment ISO +@itemx WCHAR_WIDTH +@comment stdint.h +@comment ISO +@itemx WINT_WIDTH + +These are the widths of the types @code{intptr_t}, @code{uintptr_t}, +@code{ptrdiff_t}, @code{sig_atomic_t}, @code{size_t}, @code{wchar_t} +and @code{wint_t}, respectively. +@end table + @node Range of Type @subsection Range of an Integer Type @cindex integer type range |