base/debug/stack_trace_posix.cc - Issue 1641513004: Update //base to chromium 9659b08ea5a34f889dc4166217f438095ddc10d2

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Unified Diff: base/debug/stack_trace_posix.cc

Issue 1641513004: Update //base to chromium 9659b08ea5a34f889dc4166217f438095ddc10d2 (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 4 years, 11 months ago

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Index: base/debug/stack_trace_posix.cc

diff --git a/base/debug/stack_trace_posix.cc b/base/debug/stack_trace_posix.cc

index 76cb5249854a335e0a727e3c47830d88102be541..8749bede89e2684f24504a8a6e9305592969b739 100644

--- a/base/debug/stack_trace_posix.cc

+++ b/base/debug/stack_trace_posix.cc

@@ -788,7 +788,8 @@ char *itoa_r(intptr_t i, char *buf, size_t sz, int base, size_t padding) {

// Handle negative numbers (only for base 10).

if (i < 0 && base == 10) {

- j = -i;

+ // This does "j = -i" while avoiding integer overflow.

+ j = static_cast<uintptr_t>(-(i + 1)) + 1;

// Make sure we can write the '-' character.

if (++n > sz) {

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