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patch 9.0.2138: Overflow logic requires long long

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Problem:  Overflow logic requires long long
Solution: Define vimlong_T data type to make life easier
          for porters

closes: #13598

Signed-off-by: Ernie Rael <errael@raelity.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Ernie Rael
2023-11-30 18:20:00 +01:00
committed by Christian Brabandt
parent 72314bb85f
commit fda700cb04
6 changed files with 17 additions and 9 deletions
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6
src/vim.h
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@@ -435,6 +435,12 @@ typedef unsigned short sattr_T;
*/
typedef unsigned int u8char_T; // int is 32 bits or more
/*
* The vimlong_T has sizeof(vimlong_T) >= 2 * sizeof(int).
* One use is simple handling of overflow in int calculations.
*/
typedef long long vimlong_T;
#ifndef UNIX // For Unix this is included in os_unix.h
# include <stdio.h>
# include <ctype.h>