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Adjust for kern.ps_strings and PS_STRINGS not being a pointer. This is

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an unimprovement here.  I thought it would be an improvement, as in libkvm,
but here we can access the strings directly.

Use sysctlbyname() instead of sysctl() and trust it to give a nonzero
address if it succeeds.
This commit is contained in:
Bruce Evans 1998-12-16 17:34:05 +00:00
parent dc1ab7da41
commit d529713846
2 changed files with 14 additions and 16 deletions
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15
lib/libc/gen/setproctitle.c
View File

@ -14,7 +14,7 @@
* 3. Absolutely no warranty of function or purpose is made by the author
* Peter Wemm.
*
* $Id: setproctitle.c,v 1.6 1998/04/28 06:59:14 dg Exp $
* $Id: setproctitle.c,v 1.7 1998/04/28 07:02:33 dg Exp $
*/
#include <sys/types.h>
@ -72,8 +72,8 @@ setproctitle(fmt, va_alist)
static char buf[SPT_BUFSIZE];
static char *ps_argv[2];
va_list ap;
int mib[2];
size_t len;
unsigned long ul_ps_strings;
#if defined(__STDC__)
va_start(ap, fmt);
@ -104,12 +104,11 @@ setproctitle(fmt, va_alist)
va_end(ap);
if (ps_strings == NULL) {
mib[0] = CTL_KERN;
mib[1] = KERN_PS_STRINGS;
len = sizeof(ps_strings);
if (sysctl(mib, 2, &ps_strings, &len, NULL, 0) < 0 ||
ps_strings == NULL)
ps_strings = PS_STRINGS;
len = sizeof(ul_ps_strings);
if (sysctlbyname("kern.ps_strings", &ul_ps_strings, &len, NULL,
0) == -1)
ul_ps_strings = PS_STRINGS;
ps_strings = (struct ps_strings *)ul_ps_strings;
}
/* PS_STRINGS points to zeroed memory on a style #2 kernel */

15
lib/libutil/setproctitle.c
View File

@ -14,7 +14,7 @@
* 3. Absolutely no warranty of function or purpose is made by the author
* Peter Wemm.
*
* $Id: setproctitle.c,v 1.6 1998/04/28 06:59:14 dg Exp $
* $Id: setproctitle.c,v 1.7 1998/04/28 07:02:33 dg Exp $
*/
#include <sys/types.h>
@ -72,8 +72,8 @@ setproctitle(fmt, va_alist)
static char buf[SPT_BUFSIZE];
static char *ps_argv[2];
va_list ap;
int mib[2];
size_t len;
unsigned long ul_ps_strings;
#if defined(__STDC__)
va_start(ap, fmt);
@ -104,12 +104,11 @@ setproctitle(fmt, va_alist)
va_end(ap);
if (ps_strings == NULL) {
mib[0] = CTL_KERN;
mib[1] = KERN_PS_STRINGS;
len = sizeof(ps_strings);
if (sysctl(mib, 2, &ps_strings, &len, NULL, 0) < 0 ||
ps_strings == NULL)
ps_strings = PS_STRINGS;
len = sizeof(ul_ps_strings);
if (sysctlbyname("kern.ps_strings", &ul_ps_strings, &len, NULL,
0) == -1)
ul_ps_strings = PS_STRINGS;
ps_strings = (struct ps_strings *)ul_ps_strings;
}
/* PS_STRINGS points to zeroed memory on a style #2 kernel */