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Modified Deserializer::ReadCStr to allow C-strings to be read into a

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std::vector<char> starting from any index in the vector.

llvm-svn: 45129
This commit is contained in:
Ted Kremenek 2007-12-17 22:25:12 +00:00
parent b33d6155da
commit 28a75d4674
2 changed files with 11 additions and 4 deletions
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2
include/llvm/Bitcode/Deserialize.h
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@ -156,7 +156,7 @@ public:
}
char* ReadCStr(char* cstr = NULL, unsigned MaxLen=0, bool isNullTerm=true);
void ReadCStr(std::vector<char>& buff, bool isNullTerm=false);
void ReadCStr(std::vector<char>& buff, bool isNullTerm=false, unsigned Idx=0);
template <typename T>
inline T* ReadOwnedPtr(bool AutoRegister = true) {

13
lib/Bitcode/Reader/Deserialize.cpp
View File

@ -329,11 +329,18 @@ char* Deserializer::ReadCStr(char* cstr, unsigned MaxLen, bool isNullTerm) {
return cstr;
}
void Deserializer::ReadCStr(std::vector<char>& buff, bool isNullTerm) {
void Deserializer::ReadCStr(std::vector<char>& buff, bool isNullTerm,
unsigned Idx) {
unsigned len = ReadInt();
buff.clear();
buff.reserve(len);
// If Idx is beyond the current before size, reduce Idx to refer to the
// element after the last element.
if (Idx > buff.size())
Idx = buff.size();
buff.reserve(len+Idx);
buff.resize(Idx);
for (unsigned i = 0; i < len; ++i)
buff.push_back((char) ReadInt());