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Bug 913953 - Part ab: Remove unused WriteInto function; r=ehsan

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This commit is contained in:
Ms2ger 2013-09-10 09:03:37 +02:00
parent 7910bbcac5
commit 614277f4ef
1 changed files with 0 additions and 23 deletions
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23
ipc/chromium/src/base/string_util.h
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@ -218,29 +218,6 @@ const std::wstring& SStringPrintf(std::wstring* dst,
void StringAppendF(std::string* dst, const char* format, ...);
void StringAppendF(std::wstring* dst, const wchar_t* format, ...);
// This is mpcomplete's pattern for saving a string copy when dealing with
// a function that writes results into a wchar_t[] and wanting the result to
// end up in a std::wstring. It ensures that the std::wstring's internal
// buffer has enough room to store the characters to be written into it, and
// sets its .length() attribute to the right value.
//
// The reserve() call allocates the memory required to hold the string
// plus a terminating null. This is done because resize() isn't
// guaranteed to reserve space for the null. The resize() call is
// simply the only way to change the string's 'length' member.
//
// XXX-performance: the call to wide.resize() takes linear time, since it fills
// the string's buffer with nulls. I call it to change the length of the
// string (needed because writing directly to the buffer doesn't do this).
// Perhaps there's a constant-time way to change the string's length.
template <class string_type>
inline typename string_type::value_type* WriteInto(string_type* str,
size_t length_with_null) {
str->reserve(length_with_null);
str->resize(length_with_null - 1);
return &((*str)[0]);
}
//-----------------------------------------------------------------------------
// Splits |str| into a vector of strings delimited by |s|. Append the results