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Save a memory allocation in append_formatv

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This commit is contained in:
ridiculousfish 2014-04-30 16:29:52 -07:00
parent ed37427f9e
commit f5e62f28bc
1 changed files with 8 additions and 9 deletions
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17
common.cpp
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@ -410,7 +410,7 @@ wcstring format_string(const wchar_t *format, ...)
return result;
}
wcstring vformat_string(const wchar_t *format, va_list va_orig)
void append_formatv(wcstring &target, const wchar_t *format, va_list va_orig)
{
const int saved_err = errno;
/*
@ -461,22 +461,21 @@ wcstring vformat_string(const wchar_t *format, va_list va_orig)
va_end(va);
}
wcstring result = wcstring(buff);
target.append(buff);
if (buff != static_buff)
{
free(buff);
}
errno = saved_err;
return result;
}
void append_formatv(wcstring &str, const wchar_t *format, va_list ap)
wcstring vformat_string(const wchar_t *format, va_list va_orig)
{
/* Preserve errno across this call since it likes to stomp on it */
int err = errno;
str.append(vformat_string(format, ap));
errno = err;
wcstring result;
append_formatv(result, format, va_orig);
return result;
}
void append_format(wcstring &str, const wchar_t *format, ...)