1 files changed, 70 insertions, 0 deletions
diff --git a/features/fgetln/fgetln.c b/features/fgetln/fgetln.c
new file mode 100644
index 0000000..c600b06
--- /dev/null
+++ b/features/fgetln/fgetln.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2005 Hector Garcia Alvarez
+ * Copyright (c) 2005, 2008-2012 Guillem Jover <guillem@hadrons.org>
+ * Copyright (c) 2014 Aleksey Cheusov <vle@gmx.net>
+ *
+ * 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 ``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 <stdio.h>
+#include <string.h>
+
+#include <mkc_getline.h>
+#include <mkc_fgetln.h>
+
+struct filebuf {
+	FILE *fp;
+	char *buf;
+	size_t len;
+};
+
+#define FILEBUF_POOL_ITEMS 128
+
+static struct filebuf fb_pool [FILEBUF_POOL_ITEMS];
+static int fb_pool_cur;
+
+char * fgetln (FILE *stream, size_t *len)
+{
+	struct filebuf *fb;
+	ssize_t nread;
+
+	/* Try to diminish the possibility of several fgetln() calls being
+	 * used on different streams, by using a pool of buffers per file. */
+	fb = &fb_pool [fb_pool_cur];
+	if (fb->fp != stream && fb->fp != NULL) {
+		fb_pool_cur++;
+		fb_pool_cur %= FILEBUF_POOL_ITEMS;
+		fb = &fb_pool [fb_pool_cur];
+	}
+	fb->fp = stream;
+
+	nread = getline (&fb->buf, &fb->len, stream);
+	/* Note: the getdelim/getline API ensures nread != 0. */
+	if (nread == -1) {
+		*len = 0;
+		return NULL;
+	} else {
+		*len = (size_t) nread;
+		return fb->buf;
+	}
+}