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Use common code for printing ints and longs by coppying the sysctl

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value into a variable of the right type and then printing it via
an intmax_t. This makes avoids some duplication and makes it easy
to add a new integer format Q for printing things of type CTLTYPE_QUAD.
This commit is contained in:
David Malone 2007-06-04 18:02:23 +00:00
parent e59febd747
commit 41e419cb61
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=170287
1 changed files with 42 additions and 42 deletions
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84
sbin/sysctl/sysctl.c
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@ -54,6 +54,7 @@ static const char rcsid[] =
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <inttypes.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
@ -541,7 +542,15 @@ show_var(int *oid, int nlen)
u_char buf[BUFSIZ], *val, *oval, *p;
char name[BUFSIZ], *fmt, *sep;
int qoid[CTL_MAXNAME+2];
int i;
int i, flen, iv;
unsigned int uiv;
long lv;
unsigned long ulv;
quad_t qv;
u_quad_t uqv;
size_t intlen;
intmax_t v;
uintmax_t uv;
size_t j, len;
u_int kind;
int (*func)(int, void *);
@ -611,55 +620,46 @@ show_var(int *oid, int nlen)
return (0);
case 'I':
if (!nflag)
printf("%s%s", name, sep);
fmt++;
val = "";
while (len >= sizeof(int)) {
fputs(val, stdout);
if (*fmt == 'U')
printf(hflag ? "%'u" : "%u", *(u_int *)p);
else if (*fmt == 'X')
printf(hflag ? "%'#010x" : "%#010x",
*(unsigned int *)p);
else if (*fmt == 'K') {
if (*(int *)p < 0)
printf("%d", *(int *)p);
else
printf("%.1fC",
(*(int *)p - 2732.0) / 10);
} else
printf(hflag ? "%'d" : "%d", *(int *)p);
val = " ";
len -= sizeof(int);
p += sizeof(int);
}
free(oval);
return (0);
case 'L':
case 'Q':
if (!nflag)
printf("%s%s", name, sep);
fmt++;
switch (*fmt) {
case 'I': intlen = sizeof(int); flen = 10; break;
case 'L': intlen = sizeof(long); flen = 18; break;
case 'Q': intlen = sizeof(quad_t); flen = 18; break;
}
val = "";
while (len >= sizeof(long)) {
while (len >= intlen) {
switch (*fmt) {
case 'I':
memcpy(&uiv, p, intlen); uv = uiv;
memcpy(&iv, p, intlen); v = iv;
break;
case 'L':
memcpy(&ulv, p, intlen); uv = ulv;
memcpy(&lv, p, intlen); v = lv;
break;
case 'Q':
memcpy(&uqv, p, intlen); uv = uqv;
memcpy(&qv, p, intlen); v = qv;
break;
}
fputs(val, stdout);
if (*fmt == 'U')
printf(hflag ? "%'lu" : "%lu", *(u_long *)p);
else if (*fmt == 'X')
printf(hflag ? "%'#018lx" : "%#018lx",
*(u_long *)p);
else if (*fmt == 'K') {
if (*(long *)p < 0)
printf("%ld", *(long *)p);
if (fmt[1] == 'U')
printf(hflag ? "%'ju" : "%ju", uv);
else if (fmt[1] == 'X')
printf(hflag ? "%'#0*jx" : "%#0*jx", flen, uv);
else if (fmt[1] == 'K') {
if (*(int *)p < 0)
printf("%jd", v);
else
printf("%.1fC",
(*(long *)p - 2732.0) / 10);
printf("%.1fC", (v - 2732.0) / 10);
} else
printf(hflag ? "%'ld" : "%ld", *(long *)p);
printf(hflag ? "%'d" : "%d", v);
val = " ";
len -= sizeof(long);
p += sizeof(long);
len -= intlen;
p += intlen;
}
free(oval);
return (0);