1 files changed, 102 insertions, 0 deletions
diff --git a/librols/snprintf.c b/librols/snprintf.c
new file mode 100644
index 0000000..87b7364
--- /dev/null
+++ b/librols/snprintf.c
@@ -0,0 +1,102 @@
+/*
+ * This file has been modified for the cdrkit suite.
+ *
+ * The behaviour and appearence of the program code below can differ to a major
+ * extent from the version distributed by the original author(s).
+ *
+ * For details, see Changelog file distributed with the cdrkit package. If you
+ * received this file from another source then ask the distributing person for
+ * a log of modifications.
+ *
+ */
+
+/* @(#)snprintf.c	1.9 04/05/09 Copyright 1985, 1996-2004 J. Schilling */
+/*
+ *	Copyright (c) 1985, 1996-2004 J. Schilling
+ */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * 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; see the file COPYING.  If not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#define	snprintf __nothing__	/* prototype may be wrong (e.g. IRIX) */
+#include <mconfig.h>
+#include <unixstd.h>		/* include <sys/types.h> try to get size_t */
+#include <stdio.h>		/* Try again for size_t	*/
+#include <stdxlib.h>		/* Try again for size_t	*/
+#include <vadefs.h>
+#include <standard.h>
+#include <schily.h>
+#undef	snprintf
+
+EXPORT	int snprintf __PR((char *, size_t maxcnt, const char *, ...));
+
+typedef struct {
+	char	*ptr;
+	int	count;
+} *BUF, _BUF;
+
+#ifdef	PROTOTYPES
+static void _cput(char c, long l)
+#else
+static void _cput(c, l)
+	char	c;
+	long	l;
+#endif
+{
+	register BUF	bp = (BUF)l;
+
+	if (--bp->count > 0) {
+		*bp->ptr++ = c;
+	} else {
+		/*
+		 * Make sure that there will never be a negative overflow.
+		 */
+		bp->count++;
+	}
+}
+
+/* VARARGS2 */
+#ifdef	PROTOTYPES
+EXPORT int
+snprintf(char *buf, size_t maxcnt, const char *form, ...)
+#else
+EXPORT int
+snprintf(buf, maxcnt, form, va_alist)
+	char	*buf;
+	unsigned maxcnt;
+	char	*form;
+	va_dcl
+#endif
+{
+	va_list	args;
+	int	cnt;
+	_BUF	bb;
+
+	bb.ptr = buf;
+	bb.count = maxcnt;
+
+#ifdef	PROTOTYPES
+	va_start(args, form);
+#else
+	va_start(args);
+#endif
+	cnt = format(_cput, (long)&bb, form,  args);
+	va_end(args);
+	if (maxcnt > 0)
+		*(bb.ptr) = '\0';
+	if (bb.count < 0)
+		return (-1);
+
+	return (cnt);
+}