project-base/server-skynet-source-3rd-jemalloc
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Cast PTRDIFF_MAX to size_t before adding 1.

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This fixes compilation warnings regarding integer overflow that were
introduced by 0c516a00c4 (Make *allocx()
size class overflow behavior defined.).
This commit is contained in:
Jason Evans
2016-02-25 16:40:24 -08:00
parent 0c516a00c4
commit e3195fa4a5
3 changed files with 10 additions and 10 deletions
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4
test/unit/size_classes.c
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@@ -88,14 +88,14 @@ TEST_BEGIN(test_overflow)
assert_u_ge(size2index(max_size_class+1), NSIZES,
"size2index() should return >= NSIZES on overflow");
assert_u_ge(size2index(PTRDIFF_MAX+1), NSIZES,
assert_u_ge(size2index(ZU(PTRDIFF_MAX)+1), NSIZES,
"size2index() should return >= NSIZES on overflow");
assert_u_ge(size2index(SIZE_T_MAX), NSIZES,
"size2index() should return >= NSIZES on overflow");
assert_zu_gt(s2u(max_size_class+1), HUGE_MAXCLASS,
"s2u() should return > HUGE_MAXCLASS for unsupported size");
assert_zu_gt(s2u(PTRDIFF_MAX+1), HUGE_MAXCLASS,
assert_zu_gt(s2u(ZU(PTRDIFF_MAX)+1), HUGE_MAXCLASS,
"s2u() should return > HUGE_MAXCLASS for unsupported size");
assert_zu_eq(s2u(SIZE_T_MAX), 0,
"s2u() should return 0 on overflow");