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authorJohn Ankarstr\xf6m <john@ankarstrom.se>2021-06-05 01:53:33 +0200
committerJohn Ankarstr\xf6m <john@ankarstrom.se>2021-06-05 01:53:33 +0200
commit80d4cb1aff77499aabc2c8b150182a7727f972ce (patch)
tree9524f0f64803a057f5e5df9d4853518f1be38231
parentb28bc03767fd22dafea845aa4a23f295a6335182 (diff)
downloadxbattext-80d4cb1aff77499aabc2c8b150182a7727f972ce.tar.gz
xbattext.c: Die on ioctl error
-rw-r--r--xbattext.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/xbattext.c b/xbattext.c
index aa13929..33e8877 100644
--- a/xbattext.c
+++ b/xbattext.c
@@ -44,8 +44,6 @@
/* low battery level */
#define ALERT 30
-void update(XtPointer, XtIntervalId *);
-
/* resources */
struct res {
XmFontList font_list;
@@ -82,12 +80,14 @@ enum {
/* application state */
Arg wargs[10];
char *s;
-int apmfd, alerting, charging;
+int alerting, apmfd, charging, i;
struct apm_power_info info;
Widget toplevel, label;
XmString xms;
XtAppContext app_context;
+void update(XtPointer, XtIntervalId *);
+
/* program start */
int
main(int argc, char* argv[])
@@ -127,19 +127,14 @@ main(int argc, char* argv[])
void
update(XtPointer client_data, XtIntervalId *t)
{
- int i;
-
/* reset temporary variables */
i = 0;
change = SET_NONE;
/* get battery info */
memset(&info, 0, sizeof(info));
- if (ioctl(apmfd, APM_IOC_GETPOWER, &info) == -1) {
- fprintf(stderr, "ioctl APM_IOC_GETPOWER failed\n");
- sprintf(s, "?");
- goto end;
- }
+ if (ioctl(apmfd, APM_IOC_GETPOWER, &info) == -1)
+ err(1, "ioctl");
/* put battery status into label */
sprintf(s, "%d%%", info.battery_life);