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authortsepez <tsepez@chromium.org>2016-08-19 15:48:05 -0700
committerCommit bot <commit-bot@chromium.org>2016-08-19 15:48:05 -0700
commit68624257bf300036a3898015eee718a6026ca6f5 (patch)
tree14f7c47437d2fd8b44050f8bd975d85cb8d7df54 /core
parenta752edfd2ddc4913aeffd31b67f6fdb53e4116ae (diff)
downloadpdfium-68624257bf300036a3898015eee718a6026ca6f5.tar.xz
Avoid signed overflow in CPDF_ToUnicodeMap::StringToCode()
It was intended to be unsigned in the first place, and we're perfectly happy with the overflow as long as it is no longer undefined behaviour. BUG=638489 Review-Url: https://codereview.chromium.org/2258053003
Diffstat (limited to 'core')
-rw-r--r--core/fpdfapi/fpdf_font/fpdf_font.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/core/fpdfapi/fpdf_font/fpdf_font.cpp b/core/fpdfapi/fpdf_font/fpdf_font.cpp
index a14c43d4fa..1cb67be51f 100644
--- a/core/fpdfapi/fpdf_font/fpdf_font.cpp
+++ b/core/fpdfapi/fpdf_font/fpdf_font.cpp
@@ -135,7 +135,7 @@ uint32_t CPDF_ToUnicodeMap::StringToCode(const CFX_ByteStringC& str) {
if (len == 0)
return 0;
- int result = 0;
+ uint32_t result = 0;
if (str[0] == '<') {
for (int i = 1; i < len && std::isxdigit(str[i]); ++i)
result = result * 16 + FXSYS_toHexDigit(str.CharAt(i));