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stdint.hrl: move size-dependent min/max computations to helper macros

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Mikael Pettersson
2025-08-11 15:02:41 +02:00
parent 7348b7776b
commit dcc1e86f5d
1 changed files with 13 additions and 9 deletions
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22
erlang/apps/lib/include/stdint.hrl
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@@ -25,25 +25,29 @@
-ifndef(STDINT_HRL).
-define(STDINT_HRL, 1).
-define(UINT9_MAX, ((1 bsl 9) - 1)).
-define(_STDINT_UMAX(N), ((1 bsl (N)) - 1)).
-define(_STDINT_IMAX(N), ((1 bsl ((N) - 1)) - 1)).
-define(_STDINT_IMIN(N), (-?_STDINT_IMAX((N)) - 1)).
-define(UINT9_MAX, ?_STDINT_UMAX(9)).
-type uint9_t() :: 0..?UINT9_MAX.
-define(INT9_MAX, ((1 bsl (9 - 1)) - 1)).
-define(INT9_MIN, (-?INT9_MAX - 1)).
-define(INT9_MAX, ?_STDINT_IMAX(9)).
-define(INT9_MIN, ?_STDINT_IMIN(9)).
-type int9_t() :: ?INT9_MIN..?INT9_MAX.
-define(UINT18_MAX, ((1 bsl 18) - 1)).
-define(UINT18_MAX, ?_STDINT_UMAX(18)).
-type uint18_t() :: 0..?UINT18_MAX.
-define(INT18_MAX, ((1 bsl (18 - 1)) - 1)).
-define(INT18_MIN, (-?INT18_MAX - 1)).
-define(INT18_MAX, ?_STDINT_IMAX(18)).
-define(INT18_MIN, ?_STDINT_IMIN(18)).
-type int18_t() :: ?INT18_MIN..?INT18_MAX.
-define(UINT36_MAX, ((1 bsl 36) - 1)).
-define(UINT36_MAX, ?_STDINT_UMAX(36)).
-type uint36_t() :: 0..?UINT36_MAX.
-define(INT36_MAX, ((1 bsl (36 - 1)) - 1)).
-define(INT36_MIN, (-?INT36_MAX - 1)).
-define(INT36_MAX, ?_STDINT_IMAX(36)).
-define(INT36_MIN, ?_STDINT_IMIN(36)).
-type int36_t() :: ?INT36_MIN..?INT36_MAX.
-endif. % STDINT_HRL