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authorzeertzjq <zeertzjq@outlook.com>2024-12-10 13:48:59 +0800
committerzeertzjq <zeertzjq@outlook.com>2024-12-10 14:29:24 +0800
commit6c81c16e1b8dd1650960bf1cea57ce05b26f7822 (patch)
tree54d65f418299efb5382065fdf55cd78275df2e50 /src/nvim/math.c
parent7a7ed0c8ac2d66d695da5bd3f90536e8c5c11ccc (diff)
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vim-patch:9.0.2124: INT overflow detection logic can be simplified
Problem: INT overflow logic can be simplified Solution: introduce trim_to_int() function closes: vim/vim#13556 https://github.com/vim/vim/commit/2b0882fa6555b4d0197afbdfc32a4533cf6aacf4 vim-patch:9.0.2138: Overflow logic requires long long Problem: Overflow logic requires long long Solution: Define vimlong_T data type to make life easier for porters closes: vim/vim#13598 https://github.com/vim/vim/commit/fda700cb04612fe2f9301a9ba820309175decabf Cherry-pick ops.c change from patch 9.1.0608. Co-authored-by: Ernie Rael <errael@raelity.com>
Diffstat (limited to 'src/nvim/math.c')
-rw-r--r--src/nvim/math.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/nvim/math.c b/src/nvim/math.c
index 4ca212413b..0b5886d36c 100644
--- a/src/nvim/math.c
+++ b/src/nvim/math.c
@@ -106,3 +106,9 @@ int vim_append_digit_int(int *value, int digit)
*value = x * 10 + digit;
return OK;
}
+
+/// Return something that fits into an int.
+int trim_to_int(int64_t x)
+{
+ return x > INT_MAX ? INT_MAX : x < INT_MIN ? INT_MIN : (int)x;
+}