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Added swnprintf.

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bkaradzic
2013-05-17 22:14:16 -07:00
parent 0ebd45dac4
commit 01f6e30ac7
1 changed files with 20 additions and 5 deletions
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25
include/bx/string.h
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@@ -12,6 +12,7 @@
#include <stdio.h> // vsnprintf
#include <string.h>
#include <string>
#include <wchar.h> // wchar_t
namespace bx
{
@@ -172,21 +173,34 @@ namespace bx
/// Cross platform implementation of vsnprintf that returns number of
/// characters which would have been written to the final string if
/// enough space had been available.
inline int32_t vsnprintf(char* _str, size_t _size, const char* _format, va_list _argList)
inline int32_t vsnprintf(char* _str, size_t _count, const char* _format, va_list _argList)
{
#if BX_COMPILER_MSVC
int32_t len = ::vsnprintf(_str, _size, _format, _argList);
int32_t len = ::vsnprintf(_str, _count, _format, _argList);
return -1 == len ? ::_vscprintf(_format, _argList) : len;
#else
return ::vsnprintf(_str, _size, _format, _argList);
return ::vsnprintf(_str, _count, _format, _argList);
#endif // BX_COMPILER_MSVC
}
inline int32_t snprintf(char* _str, size_t _size, const char* _format, ...) // BX_PRINTF_ARGS(3, 4)
inline int32_t snprintf(char* _str, size_t _count, const char* _format, ...) // BX_PRINTF_ARGS(3, 4)
{
va_list argList;
va_start(argList, _format);
int32_t len = vsnprintf(_str, _size, _format, argList);
int32_t len = vsnprintf(_str, _count, _format, argList);
va_end(argList);
return len;
}
inline int32_t swnprintf(wchar_t* _out, size_t _count, const wchar_t* _format, ...)
{
va_list argList;
va_start(argList, _format);
#if defined(__MINGW32__)
int32_t len = swprintf(_out, _format, argList);
#else
int32_t len = swprintf(_out, _count, _format, argList);
#endif // defined(__MINGW__)
va_end(argList);
return len;
}
@@ -213,6 +227,7 @@ namespace bx
stringPrintfVargs(_out, _format, argList);
va_end(argList);
}
} // namespace bx
#endif // __BX_PRINTF_H__