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Format error messages properly

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Make use of strerror(errno) and format all errors equally:
function ['parameters']: error message
This commit is contained in:
Aaron Marcher
2018-03-28 19:46:27 +02:00
parent 2289798b6d
commit faa52bdcc0
15 changed files with 55 additions and 33 deletions
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6
components/battery.c
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@ -1,5 +1,7 @@
/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <stdio.h>
#include <string.h>
#if defined(__linux__)
#include <limits.h>
#include <string.h>
@ -28,12 +30,12 @@ battery_perc(const char *bat)
fd = open("/dev/apm", O_RDONLY);
if (fd < 0) {
fprintf(stderr, "Failed to open file /dev/apm");
fprintf(stderr, "open '/dev/apm': %s\n", strerror(errno));
return NULL;
}
if (ioctl(fd, APM_IOC_GETPOWER, &apm_info) < 0) {
fprintf(stderr, "Failed to get battery info");
fprintf(stderr, "ioctl 'APM_IOC_GETPOWER': %s\n", strerror(errno));
close(fd);
return NULL;
}