59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/* @(#)prom_inpath.c 1.1 94/10/31 SMI */
|
|
|
|
/*
|
|
* Copyright (c) 1990 by Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#include <promcommon.h>
|
|
|
|
dnode_t prom_nextnode();
|
|
int prom_getprop();
|
|
|
|
static char stdinpath[OBP_MAXDEVNAME];
|
|
|
|
char *
|
|
prom_stdinpath()
|
|
{
|
|
dnode_t rootid;
|
|
|
|
switch (obp_romvec_version) {
|
|
|
|
case OBP_V0_ROMVEC_VERSION:
|
|
return ((char *)0);
|
|
|
|
default:
|
|
if (stdinpath[0] != (char)0) /* Got it already? */
|
|
return (stdinpath);
|
|
|
|
rootid = prom_nextnode((dnode_t)0);
|
|
if (prom_getprop(rootid, OBP_STDINPATH, stdinpath) != -1) {
|
|
#ifdef PROM_DEBUG_STDPATH
|
|
prom_printf("%s: <%s> from root node %s property!\n",
|
|
"prom_stdinpath", stdinpath, OBP_STDINPATH);
|
|
#endif
|
|
return (stdinpath);
|
|
}
|
|
|
|
#ifdef notdef
|
|
/*
|
|
* XXX: Remove me when all V3 machines are upgraded!
|
|
* XXX: V3 was to have romvec entries for stdinpath/stdoutpath
|
|
* XXX: We changed this to root node properties!
|
|
*/
|
|
|
|
if ((obp_romvec_version == OBP_V3_ROMVEC_VERSION) &&
|
|
(romp->op3_stdin_path != (char **)0)) {
|
|
strncpy(stdinpath, OBP_V3_STDINPATH,
|
|
sizeof (stdinpath));
|
|
#ifdef PROM_DEBUG_STDPATH
|
|
prom_printf("XXX: %s: <%s> from Romvec stdinpath!\n",
|
|
"prom_stdinpath", stdinpath);
|
|
#endif
|
|
return (stdinpath);
|
|
}
|
|
#endif notdef
|
|
|
|
return ((char *)0);
|
|
}
|
|
}
|