From: Theodore Ts'o <tytso@mit.edu>
Date: Tue, 21 Feb 2012 00:10:19 +0000 (-0500)
Subject: e2fsck: check new sysfs interface to determine if we are on battery
X-Git-Tag: v1.42.2~51
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=ad880a0e2bb1bef11382b4f38d440529e4cbdc2e;p=tools%2Fe2fsprogs.git

e2fsck: check new sysfs interface to determine if we are on battery

...since the old way is deprecated.

Addresses-SourceForge-Bug: #3439277

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

diff --git a/e2fsck/unix.c b/e2fsck/unix.c
index c38b67a..6f97b0f 100644
--- a/e2fsck/unix.c
+++ b/e2fsck/unix.c
@@ -252,6 +252,14 @@ static int is_on_batt(void)
 	unsigned int	acflag;
 	struct dirent*	de;
 
+	f = fopen("/sys/class/power_supply/AC/online", "r");
+	if (f) {
+		if (fscanf(f, "%d\n", &acflag) == 1) {
+			fclose(f);
+			return (!acflag);
+		}
+		fclose(f);
+	}
 	f = fopen("/proc/apm", "r");
 	if (f) {
 		if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4)