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Index: usr.sbin/iostat/Makefile
===================================================================
--- usr.sbin/iostat/Makefile
+++ usr.sbin/iostat/Makefile
@@ -6,6 +6,4 @@
LIBADD= devstat kvm m
-WARNS?= 1
-
.include <bsd.prog.mk>
Index: usr.sbin/iostat/iostat.c
===================================================================
--- usr.sbin/iostat/iostat.c
+++ usr.sbin/iostat/iostat.c
@@ -117,30 +117,34 @@
#include <termios.h>
#include <unistd.h>
-struct nlist namelist[] = {
+static struct nlist namelist[] = {
#define X_TTY_NIN 0
- { "_tty_nin" },
+ { .n_name = "_tty_nin",
+ .n_type = 0, .n_other = 0, .n_desc = 0, .n_value = 0 },
#define X_TTY_NOUT 1
- { "_tty_nout" },
+ { .n_name = "_tty_nout",
+ .n_type = 0, .n_other = 0, .n_desc = 0, .n_value = 0 },
#define X_BOOTTIME 2
- { "_boottime" },
+ { .n_name = "_boottime",
+ .n_type = 0, .n_other = 0, .n_desc = 0, .n_value = 0 },
#define X_END 2
- { NULL },
+ { .n_name = NULL,
+ .n_type = 0, .n_other = 0, .n_desc = 0, .n_value = 0 },
};
#define IOSTAT_DEFAULT_ROWS 20 /* Traditional default `wrows' */
-struct statinfo cur, last;
-int num_devices;
-struct device_selection *dev_select;
-int maxshowdevs;
-volatile sig_atomic_t headercount;
-volatile sig_atomic_t wresized; /* Tty resized, when non-zero. */
-volatile sig_atomic_t alarm_rang;
-volatile sig_atomic_t return_requested;
-unsigned short wrows; /* Current number of tty rows. */
-int dflag = 0, Iflag = 0, Cflag = 0, Tflag = 0, oflag = 0, Kflag = 0;
-int xflag = 0, zflag = 0;
+static struct statinfo cur, last;
+static int num_devices;
+static struct device_selection *dev_select;
+static int maxshowdevs;
+static volatile sig_atomic_t headercount;
+static volatile sig_atomic_t wresized; /* Tty resized, when non-zero. */
+static volatile sig_atomic_t alarm_rang;
+static volatile sig_atomic_t return_requested;
+static unsigned short wrows; /* Current number of tty rows. */
+static int dflag = 0, Iflag = 0, Cflag = 0, Tflag = 0, oflag = 0, Kflag = 0;
+static int xflag = 0, zflag = 0;
/* local function declarations */
static void usage(void);
@@ -650,7 +654,7 @@
* Force a header to be prepended to the next output.
*/
void
-needhdr(int signo)
+needhdr(int signo __unused)
{
headercount = 1;
@@ -662,7 +666,7 @@
* prepended to the next output.
*/
void
-needresize(int signo)
+needresize(int signo __unused)
{
wresized = 1;
@@ -673,7 +677,7 @@
* Record the alarm so the main loop can break its sleep
*/
void
-alarm_clock(int signo)
+alarm_clock(int signo __unused)
{
alarm_rang = 1;
}
@@ -682,7 +686,7 @@
* Request that the main loop exit soon
*/
void
-needreturn(int signo)
+needreturn(int signo __unused)
{
return_requested = 1;
}
@@ -998,8 +1002,7 @@
warnx("kvm_read(%s): %s", namelist[nlid].n_name,
kvm_geterr(kd));
return (1);
- }
- if (nbytes != len) {
+ } else if ((size_t)nbytes != len) {
warnx("kvm_read(%s): expected %zu bytes, got %zd bytes",
namelist[nlid].n_name, len, nbytes);
return (1);

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