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authortsepez <tsepez@chromium.org>2017-01-23 14:36:20 -0800
committerCommit bot <commit-bot@chromium.org>2017-01-23 14:36:20 -0800
commit4022f87eb8716155291543efaaf289e51d7cbf43 (patch)
tree28e2a3b99367932ee84a92b1f6c913245e62afb1 /core/fxcrt/fx_basic_util.cpp
parentb76f49b36baffea2b2ecb90d67c7b6bb734e7bb9 (diff)
downloadpdfium-4022f87eb8716155291543efaaf289e51d7cbf43.tar.xz
Update safe numerics package to get bitwise ops
Fix callers conventions to avoid ambiguity. Fix bad bounds check unmasked by change. Directly include headers no longer pulled in by numerics itself. Review-Url: https://codereview.chromium.org/2640143003
Diffstat (limited to 'core/fxcrt/fx_basic_util.cpp')
-rw-r--r--core/fxcrt/fx_basic_util.cpp17
1 files changed, 6 insertions, 11 deletions
diff --git a/core/fxcrt/fx_basic_util.cpp b/core/fxcrt/fx_basic_util.cpp
index e52ff2ecee..f608e290a2 100644
--- a/core/fxcrt/fx_basic_util.cpp
+++ b/core/fxcrt/fx_basic_util.cpp
@@ -12,12 +12,6 @@
#include <limits>
#include <memory>
-namespace {
-
-const int kDefaultIntValue = 0;
-
-} // namespace
-
bool FX_atonum(const CFX_ByteStringC& strc, void* pData) {
if (strc.Find('.') != -1) {
FX_FLOAT* pFloat = static_cast<FX_FLOAT*>(pData);
@@ -54,18 +48,19 @@ bool FX_atonum(const CFX_ByteStringC& strc, void* pData) {
// we've overflowed, reset to the default value.
if (bSigned) {
if (bNegative) {
- if (integer.ValueOrDefault(kDefaultIntValue) >
+ if (integer.ValueOrDefault(0) >
static_cast<uint32_t>(std::numeric_limits<int>::max()) + 1) {
- integer = kDefaultIntValue;
+ integer = 0;
}
- } else if (integer.ValueOrDefault(kDefaultIntValue) >
+ } else if (integer.ValueOrDefault(0) >
static_cast<uint32_t>(std::numeric_limits<int>::max())) {
- integer = kDefaultIntValue;
+ integer = 0;
}
}
// Switch back to the int space so we can flip to a negative if we need.
- int value = static_cast<int>(integer.ValueOrDefault(kDefaultIntValue));
+ uint32_t uValue = integer.ValueOrDefault(0);
+ int32_t value = static_cast<int>(uValue);
if (bNegative)
value = -value;