1 files changed, 113 insertions, 0 deletions
diff --git a/contrib/global/lib/mgets.c b/contrib/global/lib/mgets.c
new file mode 100644
index 0000000..880338e
--- /dev/null
+++ b/contrib/global/lib/mgets.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 1996, 1997 Shigio Yamaguchi. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Shigio Yamaguchi.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	mgets.c					8-Nov-97
+ *
+ */
+#include <stdio.h>
+#include "mgets.h"
+#include "die.h"
+
+#define EXPANDSIZE 512
+static int	mbufsize = EXPANDSIZE;
+static char	*mbuf;
+
+/*
+ * mgets: read whole record into allocated buffer
+ *
+ *	i)	ip	input stream
+ *	i)	flags	flags
+ *			MGETS_CONT		\\ + \n -> \n
+ *			MGETS_SKIPCOM		skip line which start with '#'.
+ *	o)	length	length of record
+ *	r)		record buffer (NULL at end of file)
+ *
+ * Returned buffer has whole record.
+ * The buffer end with '\0' and doesn't include '\r' and '\n'.
+ */
+char	*
+mgets(ip, flags, length)
+FILE	*ip;
+int	flags;
+int	*length;
+{
+	char	*p;
+
+	/*
+	 * allocate initial buffer.
+	 */
+	if (!mbuf)
+		if (!(mbuf = (char *)malloc(mbufsize + 1)))
+			die("short of memory.");
+	/*
+	 * read whole record.
+	 */
+	if (!fgets(mbuf, mbufsize, ip))
+		return (char *)0;
+	if (flags & MGETS_SKIPCOM)
+		while (*mbuf == '#')
+			if (!fgets(mbuf, mbufsize, ip))
+				return (char *)0;
+	p = mbuf + strlen(mbuf);
+	for (;;) {
+		/*
+		 * get a line.
+		 */
+		while (*(p - 1) != '\n') {
+			/*
+			 * expand and read additionally.
+			 */
+			int count = p - mbuf;
+			mbufsize += EXPANDSIZE;
+			if (!(mbuf = (char *)realloc(mbuf, mbufsize + 1)))
+				die("short of memory.");
+			p = mbuf + count;
+			if (!fgets(p, mbufsize - count, ip))
+				die("illegal end of file.");
+			p += strlen(p);
+		}
+		/*
+		 * chop(mbuf)
+		 */
+		*(--p) = 0;
+		if (*(p - 1) == '\r')
+			*(--p) = 0;
+		/*
+		 * continue?
+		 */
+		if ((flags & MGETS_CONT) && *(p - 1) == '\\')
+			*(--p) = 0;
+		else
+			break;
+	}
+	if (length)
+		*length = p - mbuf;
+	return mbuf;
+}