From 3a1fc7315c88868edb18e501879ce22e3c77567b Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Thu, 18 Jun 2020 21:01:55 +0100
Subject: [PATCH] Add getline compat.
---
compat.h | 5 +++
compat/getline.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++++
configure.ac | 1 +
3 files changed, 99 insertions(+)
create mode 100644 compat/getline.c
diff --git a/compat.h b/compat.h
index 37f78e7b..5b23b178 100644
--- a/compat.h
+++ b/compat.h
@@ -345,6 +345,11 @@ int vasprintf(char **, const char *, va_list);
char *fgetln(FILE *, size_t *);
#endif
+#ifndef HAVE_GETLINE
+/* getline.c */
+ssize_t getline(char **, size_t *, FILE *);
+#endif
+
#ifndef HAVE_SETENV
/* setenv.c */
int setenv(const char *, const char *, int);
diff --git a/compat/getline.c b/compat/getline.c
new file mode 100644
index 00000000..90437ccb
--- /dev/null
+++ b/compat/getline.c
@@ -0,0 +1,93 @@
+/* $NetBSD: getline.c,v 1.1.1.6 2015/01/02 20:34:27 christos Exp $ */
+
+/* NetBSD: getline.c,v 1.2 2014/09/16 17:23:50 christos Exp */
+
+/*-
+ * Copyright (c) 2011 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.
+ */
+
+/* NETBSD ORIGINAL: external/bsd/file/dist/src/getline.c */
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+
+#include "tmux.h"
+
+static ssize_t
+getdelim(char **buf, size_t *bufsiz, int delimiter, FILE *fp)
+{
+ char *ptr, *eptr;
+
+
+ if (*buf == NULL || *bufsiz == 0) {
+ if ((*buf = malloc(BUFSIZ)) == NULL)
+ return -1;
+ *bufsiz = BUFSIZ;
+ }
+
+ for (ptr = *buf, eptr = *buf + *bufsiz;;) {
+ int c = fgetc(fp);
+ if (c == -1) {
+ if (feof(fp)) {
+ ssize_t diff = (ssize_t)(ptr - *buf);
+ if (diff != 0) {
+ *ptr = '\0';
+ return diff;
+ }
+ }
+ return -1;
+ }
+ *ptr++ = c;
+ if (c == delimiter) {
+ *ptr = '\0';
+ return ptr - *buf;
+ }
+ if (ptr + 2 >= eptr) {
+ char *nbuf;
+ size_t nbufsiz = *bufsiz * 2;
+ ssize_t d = ptr - *buf;
+ if ((nbuf = realloc(*buf, nbufsiz)) == NULL)
+ return -1;
+ *buf = nbuf;
+ *bufsiz = nbufsiz;
+ eptr = nbuf + nbufsiz;
+ ptr = nbuf + d;
+ }
+ }
+}
+
+ssize_t
+getline(char **buf, size_t *bufsiz, FILE *fp)
+{
+ return getdelim(buf, bufsiz, '\n', fp);
+}
diff --git a/configure.ac b/configure.ac
index dc133c25..b5f65df5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,6 +113,7 @@ AC_REPLACE_FUNCS([ \
fgetln \
freezero \
getdtablecount \
+ getline \
getprogname \
memmem \
recallocarray \