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Use the C locale for non-Windows CharArrayFromFormatV() and StringFromFormat()

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The Windows implementations of CharArrayFromFormatV() and
StringFromFormat() use the "C"/".1252" locale instead of the user
locale (using _vsnprintf_l). On non-Windows, the user locale was used.

This leads to bugs on non-Windows: the Overclock parameter was
serialised with the user locale ("0,279322" in some locale) and was
interpreted back as "0" (because the C locale is used for parsing the
string).

Make non-Windows CharArrayFromFormatV() and StringFromFormat()
consistent with their Windows counterpart.

The locale code is not enables for Android:: uselocale is only
available since API 21 and API 21 only supports C and C.UTF-8.
This commit is contained in:
Gabriel Corona 2015-02-02 00:45:37 +01:00
parent 3c475b91ea
commit 266d50c811
1 changed files with 21 additions and 0 deletions
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21
Source/Core/Common/StringUtil.cpp
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@ -22,9 +22,18 @@
#include <Windows.h>
#else
#include <iconv.h>
#include <locale.h>
#include <errno.h>
#endif
#if !defined(_WIN32) && !defined(ANDROID)
static locale_t GetCLocale()
{
static locale_t c_locale = newlocale(LC_ALL_MASK, "C", NULL);
return c_locale;
}
#endif
// faster than sscanf
bool AsciiToHex(const std::string& _szValue, u32& result)
{
@ -77,7 +86,13 @@ bool CharArrayFromFormatV(char* out, int outsize, const char* format, va_list ar
c_locale = _create_locale(LC_ALL, ".1252");
writtenCount = _vsnprintf_l(out, outsize, format, c_locale, args);
#else
#if !defined(ANDROID)
locale_t previousLocale = uselocale(GetCLocale());
#endif
writtenCount = vsnprintf(out, outsize, format, args);
#if !defined(ANDROID)
uselocale(previousLocale);
#endif
#endif
if (writtenCount > 0 && writtenCount < outsize)
@ -112,8 +127,14 @@ std::string StringFromFormatV(const char* format, va_list args)
std::string temp = buf;
delete[] buf;
#else
#if !defined(ANDROID)
locale_t previousLocale = uselocale(GetCLocale());
#endif
if (vasprintf(&buf, format, args) < 0)
ERROR_LOG(COMMON, "Unable to allocate memory for string");
#if !defined(ANDROID)
uselocale(previousLocale);
#endif
std::string temp = buf;
free(buf);