meta-openembedded/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/0010-fs2dt.c-work-around-missing-getline.patch

From 14d4dbd293c75bc81a0dde6e678f9bbefb40b6f1 Mon Sep 17 00:00:00 2001
From: Andrea Adami <andrea.adami@gmail.com>
Date: Tue, 17 Apr 2018 13:48:25 +0200
Subject: [PATCH] fs2dt.c: work around missing getline()

This simple case can be rewrtten with fgets()

Fix

 fs2dt.c: In function 'dt_copy_old_root_param':
 fs2dt.c:541:6: warning: implicit declaration of function 'getline'

Upstream-Status: Inappropriate [klibc specific]
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>

---
 kexec/fs2dt.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/kexec/fs2dt.c b/kexec/fs2dt.c
index 07a5e2f..d635636 100644
--- a/kexec/fs2dt.c
+++ b/kexec/fs2dt.c
@@ -531,6 +531,9 @@ static void dt_copy_old_root_param(void)
 	char *last_cmdline = NULL;
 	char *p, *old_param;
 	size_t len = 0;
+#ifdef __KLIBC__
+	char buf[512];
+#endif
 
 	strcpy(filename, pathname);
 	strcat(filename, "bootargs");
@@ -538,8 +541,13 @@ static void dt_copy_old_root_param(void)
 	if (!fp)
 		return;
 
+#ifndef __KLIBC__
 	if (getline(&last_cmdline, &len, fp) == -1)
 		die("unable to read %s\n", filename);
+#else
+	last_cmdline = fgets(buf, 200, fp);
+	last_cmdline[strlen(last_cmdline) - 1] = '\0';
+#endif
 
 	p = strstr(last_cmdline, "root=");
 	if (p) {