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-rw-r--r--contrib/blacklist/port/fgetln.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/contrib/blacklist/port/fgetln.c b/contrib/blacklist/port/fgetln.c
new file mode 100644
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+++ b/contrib/blacklist/port/fgetln.c
@@ -0,0 +1,106 @@
+/* $NetBSD: fgetln.c,v 1.1 2015/01/22 03:48:07 christos Exp $ */
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if !HAVE_FGETLN
+#include <stdlib.h>
+#ifndef HAVE_NBTOOL_CONFIG_H
+/* These headers are required, but included from nbtool_config.h */
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#endif
+
+char *
+fgetln(FILE *fp, size_t *len)
+{
+ static char *buf = NULL;
+ static size_t bufsiz = 0;
+ char *ptr;
+
+
+ if (buf == NULL) {
+ bufsiz = BUFSIZ;
+ if ((buf = malloc(bufsiz)) == NULL)
+ return NULL;
+ }
+
+ if (fgets(buf, bufsiz, fp) == NULL)
+ return NULL;
+
+ *len = 0;
+ while ((ptr = strchr(&buf[*len], '\n')) == NULL) {
+ size_t nbufsiz = bufsiz + BUFSIZ;
+ char *nbuf = realloc(buf, nbufsiz);
+
+ if (nbuf == NULL) {
+ int oerrno = errno;
+ free(buf);
+ errno = oerrno;
+ buf = NULL;
+ return NULL;
+ } else
+ buf = nbuf;
+
+ if (fgets(&buf[bufsiz], BUFSIZ, fp) == NULL) {
+ buf[bufsiz] = '\0';
+ *len = strlen(buf);
+ return buf;
+ }
+
+ *len = bufsiz;
+ bufsiz = nbufsiz;
+ }
+
+ *len = (ptr - buf) + 1;
+ return buf;
+}
+
+#endif
+
+#ifdef TEST
+int
+main(int argc, char *argv[])
+{
+ char *p;
+ size_t len;
+
+ while ((p = fgetln(stdin, &len)) != NULL) {
+ (void)printf("%zu %s", len, p);
+ free(p);
+ }
+ return 0;
+}
+#endif