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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright (c) 2014 Joyent, Inc. All rights reserved.
*/
#include <sys/feature_tests.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/types.h>
#include <zone.h>
/*
* Common routines for ptools.
*/
int
proc_snprintf(char *_RESTRICT_KYWD s, size_t n,
const char *_RESTRICT_KYWD fmt, ...)
{
static boolean_t ptools_zroot_valid = B_FALSE;
static const char *ptools_zroot = NULL;
va_list args;
int ret, nret = 0;
if (ptools_zroot_valid == B_FALSE) {
ptools_zroot_valid = B_TRUE;
ptools_zroot = zone_get_nroot();
}
if (ptools_zroot != NULL) {
nret = snprintf(s, n, "%s", ptools_zroot);
if (nret > n)
return (nret);
}
va_start(args, fmt);
ret = vsnprintf(s + nret, n - nret, fmt, args);
va_end(args);
return (ret + nret);
}
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