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Add sysctlbyname(3) support, and use that for uname -i, in preparation for

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replacing the committed static OID version with a string-based OID_AUTO
version.
This commit is contained in:
Juli Mallett 2003-06-09 10:23:43 +00:00
parent e78ea9f724
commit 8ec0090099
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=116088
1 changed files with 13 additions and 1 deletions
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14
usr.bin/uname/uname.c
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@ -191,6 +191,18 @@ native_##var(void) \
&buf, &len, NULL, 0) == -1) \
err(1, "sysctl");
#define NATIVE_SYSCTLNAME_GET(var,name) \
void \
native_##var(void) \
{ \
size_t len; \
static char buf[1024]; \
char **varp = &(var); \
\
if (sysctlbyname(name, &buf, &len, NULL,\
0) == -1) \
err(1, "sysctlbyname");
#define NATIVE_SET \
*varp = buf; \
return; \
@ -225,7 +237,7 @@ NATIVE_SYSCTL2_GET(platform, CTL_HW, HW_MACHINE) {
NATIVE_SYSCTL2_GET(arch, CTL_HW, HW_MACHINE_ARCH) {
} NATIVE_SET;
NATIVE_SYSCTL2_GET(ident, CTL_KERN, KERN_IDENT) {
NATIVE_SYSCTLNAME_GET(ident, "kern.ident") {
} NATIVE_SET;
void