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lseek() doesn't work on "/proc/apm"

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This commit is contained in:
Pierre Pronchery 2010-01-29 15:01:52 +00:00
parent d7a636ecb8
commit d937453f23
1 changed files with 6 additions and 5 deletions
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11
src/applets/battery.c
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@ -254,8 +254,7 @@ static gdouble _battery_get(Battery * battery)
return 0.0 / 0.0; return 0.0 / 0.0;
} }
errno = ENODATA; errno = ENODATA;
if(lseek(battery->fd, 0, SEEK_SET) != 0 if((buf_cnt = read(battery->fd, buf, sizeof(buf))) <= 0)
|| (buf_cnt = read(battery->fd, buf, sizeof(buf))) <= 0)
{ {
error_set("%s: %s", apm, strerror(errno)); error_set("%s: %s", apm, strerror(errno));
close(battery->fd); close(battery->fd);
@ -267,10 +266,12 @@ static gdouble _battery_get(Battery * battery)
&u, &b, &i) != 8) &u, &b, &i) != 8)
{ {
error_set("%s: %s", apm, strerror(errno)); error_set("%s: %s", apm, strerror(errno));
close(battery->fd); d = 0.0 / 0.0;
battery->fd = -1;
} }
d = b; else
d = b;
close(battery->fd);
battery->fd = -1;
return d; return d;
} }
#else #else