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authorRuediger Meier2017-06-19 20:52:50 +0200
committerRuediger Meier2017-06-26 14:38:24 +0200
commit6e1eda6f229f87b77471ce6eb7cbf0ede7c8029e (patch)
tree5e74a0cd99493e934780db2b434c75e995a6bd17 /sys-utils/dmesg.c
parentmisc: never use usage(ERROR) (diff)
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misc: never use usage(stderr)
Here we fix all cases where we have usage(FILE*) functions. Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
Diffstat (limited to 'sys-utils/dmesg.c')
-rw-r--r--sys-utils/dmesg.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/sys-utils/dmesg.c b/sys-utils/dmesg.c
index 37639ebe5..cd5da90f4 100644
--- a/sys-utils/dmesg.c
+++ b/sys-utils/dmesg.c
@@ -266,8 +266,9 @@ static int set_level_color(int log_level, const char *mesg, size_t mesgsz)
return id >= 0 ? 0 : -1;
}
-static void __attribute__((__noreturn__)) usage(FILE *out)
+static void __attribute__((__noreturn__)) usage(void)
{
+ FILE *out = stdout;
size_t i;
fputs(USAGE_HEADER, out);
@@ -320,7 +321,7 @@ static void __attribute__((__noreturn__)) usage(FILE *out)
_(level_names[i].help));
fputs(USAGE_SEPARATOR, out);
fprintf(out, USAGE_MAN_TAIL("dmesg(1)"));
- exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
+ exit(EXIT_SUCCESS);
}
/*
@@ -1422,7 +1423,7 @@ int main(int argc, char *argv[])
ctl.pager = 1;
break;
case 'h':
- usage(stdout);
+ usage();
break;
case 'k':
ctl.fltr_fac = 1;
@@ -1487,8 +1488,10 @@ int main(int argc, char *argv[])
}
}
- if (argc != optind)
- usage(stderr);
+ if (argc != optind) {
+ warnx(_("bad usage"));
+ errtryhelp(EXIT_FAILURE);
+ }
if ((is_timefmt(&ctl, RELTIME) ||
is_timefmt(&ctl, CTIME) ||