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$NetBSD: patch-ah,v 1.2 2002/07/05 13:14:24 wiz Exp $
--- lib/fgetln.c.orig Fri Jul 5 15:12:30 2002
+++ lib/fgetln.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright 1999 Luke Mewburn <lukem@netbsd.org>.
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#include "lib.h"
+#include <err.h>
+
+#define BUFCHUNKS BUFSIZ
+
+char *
+fgetln(FILE *fp, size_t *len)
+{
+ static char *buf;
+ static size_t bufsize;
+ size_t buflen;
+ char curbuf[BUFCHUNKS];
+ char *p;
+
+ if (buf == NULL) {
+ bufsize = BUFCHUNKS;
+ buf = (char *)malloc(bufsize);
+ if (buf == NULL)
+ err(1, "Unable to allocate buffer for fgetln()");
+ }
+
+ *buf = '\0';
+ buflen = 0;
+ while ((p = fgets(curbuf, sizeof(curbuf), fp)) != NULL) {
+ size_t l;
+
+ l = strlen(p);
+ if (bufsize < buflen + l) {
+ bufsize += BUFCHUNKS;
+ if ((buf = (char *)realloc(buf, bufsize)) == NULL)
+ err(1, "Unable to allocate %ld bytes of memory",
+ (long)bufsize);
+ }
+ strcpy(buf + buflen, p);
+ buflen += l;
+ if (p[l - 1] == '\n')
+ break;
+ }
+ if (p == NULL && *buf == '\0')
+ return (NULL);
+ *len = strlen(buf);
+ return (buf);
+}
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