organicmaps/fast_obj
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Merge pull request #40 from zeux/master

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Fix 32-bit integer overflow issues
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Richard Knight 2023-06-10 12:57:54 +01:00 • committed by GitHub
commit 1a8060257a
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1 changed files with 2 additions and 3 deletions
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fast_obj.h
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@ -265,15 +265,14 @@ static void* array_realloc(void* ptr, fastObjUInt n, fastObjUInt b)
fastObjUInt sz = array_size(ptr);
fastObjUInt nsz = sz + n;
fastObjUInt cap = array_capacity(ptr);
fastObjUInt ncap = 3 * cap / 2;
fastObjUInt ncap = cap + cap / 2;
fastObjUInt* r;
if (ncap < nsz)
ncap = nsz;
ncap = (ncap + 15) & ~15u;
r = (fastObjUInt*)(memory_realloc(ptr ? _array_header(ptr) : 0, b * ncap + 2 * sizeof(fastObjUInt)));
r = (fastObjUInt*)(memory_realloc(ptr ? _array_header(ptr) : 0, (size_t)b * ncap + 2 * sizeof(fastObjUInt)));
if (!r)
return 0;