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(svn r8089) -[win32] MS-borkedness: All *nprintf functions are broken, but we didn't test to fix it ourselves when 'len = count'.

This commit is contained in:
Darkvater 2007-01-13 13:06:18 +00:00
parent 4ee1050976
commit 120f57b865
1 changed files with 6 additions and 1 deletions
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7
src/string.cpp
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@ -160,11 +160,16 @@ int CDECL snprintf(char *str, size_t size, const char *format, ...)
}
#ifdef _MSC_VER
/* *nprintf broken, not POSIX compliant, MSDN description
* - If len < count, then len characters are stored in buffer, a null-terminator is appended, and len is returned.
* - If len = count, then len characters are stored in buffer, no null-terminator is appended, and len is returned.
* - If len > count, then count characters are stored in buffer, no null-terminator is appended, and a negative value is returned
*/
int CDECL vsnprintf(char *str, size_t size, const char *format, va_list ap)
{
int ret;
ret = _vsnprintf(str, size, format, ap);
if (ret < 0) str[size - 1] = '\0';
if (ret < 0 || ret == 0) str[size - 1] = '\0';
return ret;
}
#endif /* _MSC_VER */