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/* Copyright (c) 2003-2005 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#ifdef __sgi
/* define on IRIX to get posix compliant vsnprintf */
#define _XOPEN_SOURCE 500
#endif
#include <stdio.h>
#include <basestring_vsnprintf.h>
#include <my_config.h>
#ifdef _WINDOWS
#define SNPRINTF_RETURN_TRUNC
#define snprintf _snprintf
#define vsnprintf _vsnprintf
#endif
int
basestring_snprintf(char *str, size_t size, const char *format, ...)
{
int ret;
va_list ap;
va_start(ap, format);
ret= basestring_vsnprintf(str, size, format, ap);
va_end(ap);
return(ret);
}
#ifdef SNPRINTF_RETURN_TRUNC
static char basestring_vsnprintf_buf[16*1024];
#endif
int
basestring_vsnprintf(char *str, size_t size, const char *format, va_list ap)
{
if (size == 0)
{
#ifdef SNPRINTF_RETURN_TRUNC
return vsnprintf(basestring_vsnprintf_buf,
sizeof(basestring_vsnprintf_buf),
format, ap);
#else
char buf[1];
return vsnprintf(buf, 1, format, ap);
#endif
}
{
int ret= vsnprintf(str, size, format, ap);
#ifdef SNPRINTF_RETURN_TRUNC
if (ret == size-1 || ret == -1)
{
ret= vsnprintf(basestring_vsnprintf_buf,
sizeof(basestring_vsnprintf_buf),
format, ap);
}
#endif
return ret;
}
}
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