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Fix string append crash on 0 len

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This commit is contained in:
Doyle Thai 2018-01-06 16:53:53 +11:00
parent fd00b9071c
commit 7809185daa
2 changed files with 5 additions and 1 deletions
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4
dqn.h
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@ -5456,6 +5456,10 @@ bool DqnString::Expand(const i32 newMax)
DQN_FILE_SCOPE bool DqnStringInternal_Append(DqnString *const str, char const *const cstr,
i32 const bytesToCopy)
{
if (bytesToCopy <= 0)
{
return true;
}
// Check and reserve space if needed
i32 totalLen = str->len + bytesToCopy;

2
dqn_unit_test.cpp
View File

@ -605,7 +605,7 @@ void DqnString_Test()
char *literal = "this is a literal string";
DqnString str = {};
DQN_ASSERT(str.InitLiteralNoAlloc(literal));
DQN_ASSERT(str.Append(", hello again") == false);
DQN_ASSERT(str.Append(", hello again") == false);
str.Free();
LogSuccess("DqnString(): Try init literl no alloc, no further expansion");
}