Cool_Tools/ImHex
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mirror of synced 2024-11-14 19:17:42 +01:00
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patterns: Don't display strings with zero length. Fixes crash

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This commit is contained in:
WerWolv 2021-11-27 14:02:14 +01:00
parent ded452fdfc
commit 9158d79126
1 changed files with 8 additions and 1 deletions
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9
plugins/libimhex/include/hex/pattern_language/pattern_data.hpp
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@ -37,7 +37,7 @@ namespace hex::pl {
result += static_cast<char>(*c);
}
if (*(data + size - 1) == '\x00')
if (size != 0 && *(data + size - 1) == '\x00')
result.pop_back();
return result;
@ -638,6 +638,10 @@ namespace hex::pl {
void createEntry(prv::Provider* &provider) override {
auto size = std::min<size_t>(this->getSize(), 0x7F);
if (size == 0)
return;
std::string buffer(size, 0x00);
provider->read(this->getOffset(), buffer.data(), size);
@ -679,6 +683,9 @@ namespace hex::pl {
void createEntry(prv::Provider* &provider) override {
auto size = std::min<size_t>(this->getSize(), 0x100);
if (size == 0)
return;
std::u16string buffer(this->getSize()/sizeof(char16_t), 0x00);
provider->read(this->getOffset(), buffer.data(), size);