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Headers for disk and slab info and getopt replacement

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Author: Liu Xing <liuxing@cn.fujitsu.com>
Author: Michael Tokarev <mjt@corpit.ru>
Bug-Debian: http://bugs.debian.org/436805
Bug-Debian: http://bugs.debian.org/408088
This commit is contained in:
Jan Görig 2010-12-16 10:19:14 +01:00
parent 63b6a8fcbf
commit 8f466aa21d
1 changed files with 35 additions and 47 deletions
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66
vmstat.c
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@ -29,14 +29,15 @@
#include "proc/sysinfo.h"
#include "proc/version.h"
static unsigned long dataUnit=1024;
static char szDataUnit [16];
#define UNIT_B 1
#define UNIT_k 1000
#define UNIT_K 1024
#define UNIT_m 1000000
#define UNIT_M 1048576
static unsigned long dataUnit=UNIT_K;
static char szDataUnit[3] = "K";
#define VMSTAT 0
#define DISKSTAT 0x00000001
#define VMSUMSTAT 0x00000002
@ -354,6 +355,7 @@ static void diskformat(void){
if ((fDiskstat=fopen("/proc/diskstats", "rb"))){
fclose(fDiskstat);
ndisks=getdiskstat(&disks,&partitions);
if (!moreheaders) diskheader();
for(k=0; k<ndisks; k++){
if (moreheaders && ((k%height)==0)) diskheader();
printf(format,
@ -424,6 +426,7 @@ static void slabformat (void){
return;
}
if (!moreheaders) slabheader();
nSlab = getslabinfo(&slabs);
for(k=0; k<nSlab; k++){
if (moreheaders && ((k%height)==0)) slabheader();
@ -582,12 +585,10 @@ static int winhi(void) {
////////////////////////////////////////////////////////////////////////////
int main(int argc, char *argv[]) {
char partition[16];
argc=0; /* redefined as number of integer arguments */
for (argv++;*argv;argv++) {
if ('-' ==(**argv)) {
switch (*(++(*argv))) {
char *partition = NULL;
int c;
while((c = getopt(argc, argv, "VdafmDnp:S:s")) != EOF) switch(c) {
case 'V':
display_version();
exit(0);
@ -614,29 +615,21 @@ int main(int argc, char *argv[]) {
break;
case 'p':
statMode |= PARTITIONSTAT;
if (argv[1]){
char *cp = *++argv;
if(!memcmp(cp,"/dev/",5)) cp += 5;
snprintf(partition, sizeof partition, "%s", cp);
}else{
fprintf(stderr, "-p requires an argument\n");
exit(EXIT_FAILURE);
}
partition = optarg;
if (memcmp(partition, "/dev/", 5) == 0) partition += 5;
break;
case 'S':
if (argv[1]){
++argv;
if (!strcmp(*argv, "k")) dataUnit=UNIT_k;
else if (!strcmp(*argv, "K")) dataUnit=UNIT_K;
else if (!strcmp(*argv, "m")) dataUnit=UNIT_m;
else if (!strcmp(*argv, "M")) dataUnit=UNIT_M;
else {fprintf(stderr, "-S requires k, K, m or M (default is kb)\n");
exit(EXIT_FAILURE);
}
strcpy(szDataUnit, *argv);
}else {fprintf(stderr, "-S requires an argument\n");
switch(optarg[0]) {
case 'b': case 'B': dataUnit = UNIT_B; break;
case 'k': dataUnit = UNIT_k; break;
case 'K': dataUnit = UNIT_K; break;
case 'm': dataUnit = UNIT_m; break;
case 'M': dataUnit = UNIT_M; break;
default:
fprintf(stderr, "-S requires k, K, m or M (default is kb)\n");
exit(EXIT_FAILURE);
}
szDataUnit[0] = optarg[0];
break;
case 's':
statMode |= VMSUMSTAT;
@ -645,22 +638,17 @@ int main(int argc, char *argv[]) {
/* no other aguments defined yet. */
usage();
}
}else{
argc++;
switch (argc) {
case 1:
if ((sleep_time = atoi(*argv)) == 0)
if (optind < argc) {
if ((sleep_time = atoi(argv[optind++])) == 0)
usage();
num_updates = ULONG_MAX;
break;
case 2:
num_updates = atol(*argv);
break;
default:
usage();
} /* switch */
}
}
if (optind < argc)
num_updates = atol(argv[optind++]);
if (optind < argc)
usage();
if (moreheaders) {
int tmp=winhi()-3;
height=((tmp>0)?tmp:22);