snprintf2.c

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/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 1996, 1997, 1998, 1999
 *      Sleepycat Software.  All rights reserved.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */

#ifndef HAVE_SNPRINTF

#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>

#include <stdio.h>
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#endif

/*
 * snprintf --
 *      Bounded version of sprintf.
 *
 * PUBLIC: #ifndef HAVE_SNPRINTF
 * PUBLIC: #ifdef __STDC__
 * PUBLIC: int snprintf __P((char *, size_t, const char *, ...));
 * PUBLIC: #else
 * PUBLIC: int snprintf();
 * PUBLIC: #endif
 * PUBLIC: #endif
 */
int
#ifdef __STDC__
snprintf(char *str, size_t n, const char *fmt, ...)
#else
snprintf(str, n, fmt, va_alist)
        char *str;
        size_t n;
        const char *fmt;
        va_dcl
#endif
{
        va_list ap;
        int rval;

        n = 0;
#ifdef __STDC__
        va_start(ap, fmt);
#else
        va_start(ap);
#endif
#ifdef SPRINTF_RET_CHARPNT
        (void)vsprintf(str, fmt, ap);
        va_end(ap);
        return (strlen(str));
#else
        rval = vsprintf(str, fmt, ap);
        va_end(ap);
        return (rval);
#endif
}
#endif /* HAVE_SNPRINTF */

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