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Use dynamic buffer sizes for formated CEXEBuild warning/error methods

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6292 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
anders_k 2013-03-10 22:26:27 +00:00
parent a0cd389c78
commit 0d2edb2f1b
3 changed files with 104 additions and 26 deletions
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24
Source/util.h
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@ -56,6 +56,30 @@ tstring lowercase(const tstring&);
tstring get_string_prefix(const tstring& str, const tstring& separator);
tstring get_string_suffix(const tstring& str, const tstring& separator);
size_t ExpandoStrFmtVaList(wchar_t*Stack, size_t cchStack, wchar_t**ppMalloc, const wchar_t*FmtStr, va_list Args);
template<typename T, size_t S> class ExpandoString {
T m_stack[S ? S : 1], *m_heap;
public:
ExpandoString() : m_heap(0) {}
~ExpandoString() { free(m_heap); }
void Reserve(size_t cch)
{
if (S && cch <= S) return ;
void *p = realloc(m_heap, cch * sizeof(T));
if (!p) throw std::bad_alloc();
m_heap = (T*) p;
}
size_t StrFmt(const T*FmtStr, va_list Args)
{
size_t n = ExpandoStrFmtVaList(m_stack, COUNTOF(m_stack), &m_heap, FmtStr, Args);
if (!n && *FmtStr) throw std::bad_alloc();
return n;
}
T* GetPtr() { return m_heap ? m_heap : m_stack; }
operator T*() { return GetPtr(); }
};
int sane_system(const TCHAR *command);
void PrintColorFmtMsg(unsigned int type, const TCHAR *fmtstr, va_list args);