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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* The SPCS status support user utilities
* See spcs_s_u.h and the docs subdirectory for functional spec
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <locale.h>
#include <libintl.h>
#include <sys/unistat/spcs_s.h>
#include <sys/unistat/spcs_s_u.h>
#include <sys/unistat/spcs_s_impl.h>
#include <sys/unistat/spcs_errors.h>
#include <sys/unistat/spcs_etext.h>
#include <sys/unistat/spcs_etrinkets.h>
#include <sys/unistat/spcs_dtrinkets.h>
/*
* Initialize ioctl status storage to "remove" any old status present
*/
void
spcs_s_uinit(spcs_s_info_t ustatus)
{
spcs_s_pinfo_t *p = (spcs_s_pinfo_t *)ustatus;
p->major = SPCS_S_MAJOR_REV;
p->minor = SPCS_S_MINOR_REV;
p->icount = 0;
p->scount = 0;
p->tcount = 0;
}
/*
* Create and initialize local status. Call this prior to invoking
* an ioctl.
*/
spcs_s_info_t
spcs_s_ucreate()
{
static int need_to_bind = 1;
spcs_s_pinfo_t *ustatus;
if (need_to_bind) {
(void) setlocale(LC_ALL, "");
(void) bindtextdomain("unistat", LIBUNISTAT_LOCALE);
need_to_bind = 0;
};
ustatus = (spcs_s_pinfo_t *)malloc(sizeof (spcs_s_pinfo_t));
spcs_s_uinit((spcs_s_info_t)ustatus);
return ((spcs_s_info_t)ustatus);
}
/*
* Return the idata index of the last status code in the array (i.e.
* the "youngest" code present). The assumption is that the caller has
* checked to see that pcount is nonzero.
*/
ISSTATIC int
last_code_idx(spcs_s_pinfo_t *p)
{
int last = 0;
int idx = 0;
while (idx < p->icount) {
last = idx;
idx += p->idata[idx].f.sup_count + 1;
}
return (last);
}
/*
* Return a string with the module label and error message text or NULL
* if none left
*/
char *
spcs_s_string(spcs_s_info_t ustatus, char *msg)
{
spcs_s_pinfo_t *p = (spcs_s_pinfo_t *)ustatus;
int idx;
int sup;
int s;
char *format;
char *sp[SPCS_S_MAXSUPP];
char mtemp[SPCS_S_MAXLINE];
if (p->icount > 0) {
idx = last_code_idx(p);
strcpy(msg, module_names[p->idata[idx].f.module]);
strcat(msg, ": ");
sup = p->idata[idx].f.sup_count;
if (p->idata[idx].f.module)
/*
* The gettext formal parameter is a const char*
* I guess the gettext creator couldn't imagine
* needing a variable string. If there is an underlying
* routine that can be called it should be used.
* otherwise there will be a compiler warning about this
* line FOREVER (TS).
*/
format = (char *)dgettext("unistat",
SPCS_S_MSG[p->idata[idx].f.module]
[p->idata[idx].f.code]);
else
format = strerror(p->idata[idx].f.code);
/*
* step across the status code to the first supplemental data
* descriptor.
*/
idx += 1;
/*
* Initialize the array with empty string pointers so we don't
* seg fault if there are actually fewer values than "%s"
* format descriptors.
*/
for (s = 0; s < SPCS_S_MAXSUPP; s++)
sp[s] = "";
/*
* Walk through the supplemental value descriptors and build
* an array of string pointers.
*/
for (s = 0; s < sup; s++) {
sp[s] = (char *)(p->sdata + p->idata[idx+s].su.offset);
}
/*
* Now format the message. The unused string pointers will be
* ignored.
* NOTE: Any change to SPCS_S_MAXSUPP requires a change to
* this sprintf.
*/
sprintf(mtemp, format, sp[0], sp[1], sp[2], sp[3], sp[4], sp[5],
sp[6], sp[7]);
/* remove the code and its supplemental info */
p->icount -= (sup + 1);
return (strcat(msg, mtemp));
} else
return (NULL);
}
/*
* Write status info
*/
void
spcs_s_report(spcs_s_info_t ustatus, FILE *fd)
{
spcs_s_pinfo_t *p = (spcs_s_pinfo_t *)ustatus;
short saved_count = p->icount;
char msg[SPCS_S_MAXTEXT];
char *sp;
char *se;
int first_time = 1;
do {
if (sp = spcs_s_string(ustatus, msg))
fprintf(fd, "%s\n", sp);
else if (first_time && (errno > 0)) {
/*
* This covers the case where Solaris aborted the
* operation or the ioctl service code got an EFAULT
* or something from copyin or couldn't allocate the
* kernel status structure. If errno > 0 but not a
* valid Solaris error code the extended error is
* decoded and printed.
*/
se = strerror(errno);
if (se)
fprintf(fd, "%s\n", se);
else {
spcs_s_udata_t spcs_errno;
spcs_errno.i = errno;
fprintf(fd, "%s: %s\n",
module_names[spcs_errno.f.module],
dgettext("unistat",
SPCS_S_MSG[spcs_errno.f.module]
[spcs_errno.f.code]));
}
}
first_time = 0;
} while (sp);
p->icount = saved_count;
}
/*ARGSUSED*/
void
spcs_s_exception(spcs_s_info_t ustatus, void *env)
{
}
/*
* Release (free) ioctl status storage.
*/
void
spcs_s_ufree(spcs_s_info_t *ustatus_a)
{
free((void *)*ustatus_a);
*ustatus_a = NULL;
}
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