/*
* regrepeat - repeatedly match something simple, report how many
*/
static i4
regrepeat(char *p)
{
register i4 count = 0;
register char *scan;
register char *opnd;
scan = reginput;
opnd = OPERAND(p);
switch (OP(p)) {
case ANY:
count = STlength(scan);
scan += count;
break;
case EXACTLY:
while (*opnd == *scan) {
CMbyteinc( count, scan );
CMnext( scan );
}
break;
case ANYOF:
while (*scan != '\0' && STchr(opnd, *scan) != NULL) {
CMbyteinc( count, scan );
CMnext( scan );
}
break;
case ANYBUT:
while (*scan != '\0' && STchr(opnd, *scan) == NULL) {
CMbyteinc( count, scan );
CMnext( scan );
}
break;
default: /* Oh dear. Called inappropriately. */
_error("internal foulup");
count = 0; /* Best compromise. */
break;
}
reginput = scan;
return(count);
}
/*
* regmatch - main matching routine
*
* Conceptually the strategy is simple: check to see whether the current
* node matches, call self recursively to see whether the rest matches,
* and then act accordingly. In practice we make some effort to avoid
* recursion, in particular by going through "ordinary" nodes (that don't
* need to know whether the rest of the match failed) by a loop instead of
* by recursion.
*/
static i4 /* 0 failure, 1 success */
regmatch(char *prog)
{
register char *scan; /* Current node. */
char *next; /* Next node. */
scan = prog;
#ifdef xDEBUG
if (scan != NULL && regnarrate)
SIfprintf(stderr, "%s(\n", regprop(scan));
#endif
while (scan != NULL) {
#ifdef xDEBUG
if (regnarrate)
SIfprintf(stderr, "%s...\n", regprop(scan));
#endif
next = regnext(scan);
switch (OP(scan)) {
case BOL:
if (reginput != regbol)
return(0);
break;
case EOL:
if (*reginput != '\0')
return(0);
break;
case ANY:
if (*reginput == '\0')
return(0);
CMnext( reginput );
break;
case EXACTLY: {
register i4 len;
register char *opnd;
opnd = OPERAND(scan);
/* Inline the first character, for speed. */
if (*opnd != *reginput)
return(0);
len = STlength(opnd);
if (len > 1 && STncmp( opnd, reginput,
len ) != 0
)
return(0);
reginput += len;
}
break;
case ANYOF:
if (*reginput == '\0' || STchr(OPERAND(scan),
*reginput) == NULL
)
return(0);
CMnext( reginput );
break;
case ANYBUT:
if (*reginput == '\0' || STchr(OPERAND(scan),
*reginput) != NULL
)
return(0);
CMnext( reginput );
break;
case NOTHING:
break;
case BACK:
break;
case OPEN+1:
case OPEN+2:
case OPEN+3:
case OPEN+4:
case OPEN+5:
case OPEN+6:
case OPEN+7:
case OPEN+8:
case OPEN+9: {
register i4 no;
register char *save;
no = OP(scan) - OPEN;
save = reginput;
if (regmatch(next)) {
/*
* Don't set startp if some later
* invocation of the same parentheses
* already has.
*/
if (regstartp[no] == NULL)
regstartp[no] = save;
return(1);
} else
return(0);
}
break;
case CLOSE+1:
case CLOSE+2:
case CLOSE+3:
case CLOSE+4:
case CLOSE+5:
case CLOSE+6:
case CLOSE+7:
case CLOSE+8:
case CLOSE+9: {
register i4 no;
register char *save;
no = OP(scan) - CLOSE;
save = reginput;
if (regmatch(next)) {
/*
* Don't set endp if some later
* invocation of the same parentheses
* already has.
*/
if (regendp[no] == NULL)
regendp[no] = save;
return(1);
} else
return(0);
}
break;
case BRANCH: {
register char *save;
if (OP(next) != BRANCH) /* No choice. */
next = OPERAND(scan); /* Avoid recursion. */
else {
do {
save = reginput;
if (regmatch(OPERAND(scan)))
return(1);
reginput = save;
scan = regnext(scan);
} while (scan != NULL && OP(scan) == BRANCH);
return(0);
/* NOTREACHED */
}
}
break;
case STAR:
case PLUS: {
register char nextch;
register i4 no;
register char *save;
register i4 minx;
/*
* Lookahead to avoid useless match attempts
* when we know what character comes next.
*/
nextch = '\0';
if (OP(next) == EXACTLY)
nextch = *OPERAND(next);
minx = (OP(scan) == STAR) ? 0 : 1;
save = reginput;
no = regrepeat(OPERAND(scan));
while (no >= minx) {
/* If it could work, try it. */
if (nextch == '\0' || *reginput == nextch)
if (regmatch(next))
return(1);
/* Couldn't or didn't -- back up. */
no--;
reginput = save + no;
}
return(0);
}
break;
case END:
return(1); /* Success! */
break;
default:
_error("memory corruption");
return(0);
break;
}
scan = next;
}
/*
* We get here only if there's trouble -- normally "case END" is
* the terminating point.
*/
_error("corrupted pointers");
return(0);
}
/*
* REexec - match a RE_EXP against a string
*/
bool
REexec( RE_EXP *prog, char *string)
{
register char *s;
/* Be paranoid... */
if (prog == NULL || string == NULL) {
_error("NULL parameter");
return( FALSE );
}
/* Check validity of program. */
if (UCHARAT(prog->program) != MAGIC) {
_error("corrupted program");
return( FALSE );
}
/* If there is a "must appear" string, look for it. */
if (prog->regmust != NULL) {
s = string;
while ((s = STchr(s, *prog->regmust)) != NULL) {
if (STncmp( s, prog->regmust, prog->regmlen ) == 0
)
break; /* Found it. */
CMnext( s );
}
if (s == NULL) /* Not present. */
return( FALSE );
}
/* Mark beginning of line for ^ . */
regbol = string;
/* Simplest case: anchored match need be tried only once. */
if (prog->reganch)
return(regtry(prog, string));
/* Messy cases: unanchored match. */
s = string;
if (prog->regstart != '\0')
/* We know what char it must start with. */
while ((s = STchr(s, prog->regstart)) != NULL) {
if (regtry(prog, s))
return( TRUE );
CMnext( s );
}
else
/* We don't -- general case. */
while( TRUE ) {
if (regtry(prog, s))
return( TRUE );
if( *s == '\0' )
break;
CMnext( s );
}
# ifndef DOUBLEBYTE
CMnext( s );
# else
/* CMnext( s ); */
# endif /* #ifndef DOUBLEBYTE */
/* Failure. */
return( FALSE );
}
static STATUS
TMtz_getopt(
i4 nargc,
char **nargv,
char *ostr,
i4 *ioptind,
char *ioptarg,
char *ioptopt)
{
char *place=""; /* option letter processing */
char *oli; /* option letter list index */
if (*ioptind >= nargc || *(place = nargv[*ioptind]) != '-' ||
!*++place)
return(OK);
if (*place == '-')
{ /* found "--" */
*ioptind += 1;
return(OK);
}
if ((*ioptopt = *place++) == ':' ||
((oli = STchr(ostr, *ioptopt)) == NULL))
{
if (!*place)
*ioptind += 1;
SIprintf("%s: illegal option -- \n", appname);
return(FAIL);
}
if (*++oli != ':')
{ /* don't need argument */
ioptarg = NULL;
if (!*place)
*ioptind += 1;
}
else
{ /* need an argument */
if (*place)
{
while(*place != '=' && *place != ' ')
{
if( *place == EOS)
{
if (nargc > (*ioptind += 1))
STcopy(nargv[*ioptind], ioptarg);
else
{
*ioptopt = ' ';
ioptarg = "";
}
break;
}
place++;
}
STcopy(place+1, ioptarg);
}
else
if (nargc <= (*ioptind += 1))
{ /* no arg */
place = "";
ioptarg = "";
*ioptopt = ' ';
}
else /* white space */
STcopy(nargv[*ioptind], ioptarg);
place = "";
*ioptind += 1;
}
return(OK); /* dump back option letter */
}
i4
main(
i4 argc,
char * argv[])
{
char c='\0';
char *tz_file=NULL;
char *tz_name=NULL;
char *tz_def;
char tzname[TM_MAX_TZNAME+1];
char tzfile[MAX_LOC+1];
char ioptarg[MAX_LOC + 1];
char tz_pmvalue[MAX_LOC + 1];
char tz_pmname[MAX_LOC + 1];
char *p, *ip, *pm_value;
char *tm_tztype;
char chr='/';
char *out_file;
i4 ioptind=1, i;
char *tm_tztime;
i4 timecnt, tempi, temptype, temptz;
char buf[sizeof(TM_TZ_CB)+TM_MAX_TIMECNT*(sizeof(i4)+1)];
FILE *fid;
LOCATION loc_root, tmp_loc;
STATUS status=OK;
TM_TZ_CB *tm_tz_cb;
struct timevect time_v;
appname = argv[0];
if( TMtz_getopt(argc, argv, "n:name:f:file", &ioptind, ioptarg, &c) == OK)
{
switch (c)
{
case 'f':
tz_file = ioptarg;
break;
case 'n':
tz_name = ioptarg;
break;
default:
break;
}
}
else
{
TMtz_usage();
PCexit(FAIL);
}
if( tz_file == NULL)
{
if( tz_name == NULL)
{
/* Get II_TIMEZONE_NAME value */
NMgtAt(ERx("II_TIMEZONE_NAME"), &tz_def);
if (!tz_def || !(*tz_def))
{
SIprintf("%s: %s_TIMEZONE_NAME is not set\n",
appname, SystemVarPrefix);
PCexit(FAIL);
}
STncpy(tzname, tz_def, TM_MAX_TZNAME);
tzname[ TM_MAX_TZNAME ] = EOS;
}
else
{
STncpy(tzname, tz_name, TM_MAX_TZNAME);
tzname[ TM_MAX_TZNAME ] = EOS;
}
PMinit();
if( PMload( NULL, (PM_ERR_FUNC *)NULL) != OK)
{
SIprintf("%s: Error loading PM %s_CONFIG/config.dat file\n",
appname, SystemVarPrefix);
PCexit(FAIL);
}
/* Get timezone file name */
STprintf( tz_pmname, ERx("%s.*.tz.%s"), SystemCfgPrefix, tzname);
if( PMget( tz_pmname, &pm_value) != OK)
{
SIprintf("%s: Error locating %s in PM config.dat file\n",
appname, tz_pmname);
PCexit(FAIL);
}
do
{
if((status = NMloc(FILES, PATH, ERx("zoneinfo"), &loc_root)) != OK)
break;
#if defined(conf_BUILD_ARCH_32_64) && defined(BUILD_ARCH64)
if((status = LOfaddpath(&loc_root, ERx("lp64"), &loc_root)) != OK)
break;
#endif
#if defined(conf_BUILD_ARCH_64_32) && defined(BUILD_ARCH32)
{
/*
** Reverse hybrid support must be available in ALL
** 32bit binaries
*/
char *rhbsup;
NMgtAt("II_LP32_ENABLED", &rhbsup);
if ( (rhbsup && *rhbsup) &&
( !(STbcompare(rhbsup, 0, "ON", 0, TRUE)) ||
!(STbcompare(rhbsup, 0, "TRUE", 0, TRUE))))
status = LOfaddpath(&loc_root, "lp32", &loc_root);
}
#endif /* reverse hybrid */
STcopy( pm_value, tz_pmvalue);
/*
** Compose the directory path
*/
for( p = tz_pmvalue, ip = tz_pmvalue;
(p = STchr(ip, chr)) != NULL;)
{
*p = EOS;
if((status = LOfaddpath(&loc_root, ip, &loc_root)) != OK)
break;
ip = CMnext(p);
}
/*
** Add file name to the directory path
*/
if((status = LOfroms(FILENAME, ip, &tmp_loc)) != OK)
break;
status = LOstfile( &tmp_loc, &loc_root);
} while( FALSE);
if( status != OK)
{
SIprintf("%s: Error composing timezone file name for %s\n",
appname, tz_pmvalue);
PCexit(FAIL);
}
}
else
{
STcopy("<unknown>", tzname);
STncpy( tzfile, tz_file, MAX_LOC);
tzfile[ MAX_LOC ] = EOS;
if( LOfroms(FILENAME&PATH, tzfile, &loc_root) != OK)
{
SIprintf("%s: Error composing timezone file name for %s\n",
appname, tz_pmvalue);
PCexit(FAIL);
}
}
/*
** Now open the timezone information file
*/
do
{
if((status = SIfopen( &loc_root, ERx("r"), SI_VAR, sizeof buf, &fid))
!= OK)
break;
status = SIread(fid, sizeof buf, &i, buf);
status = SIclose(fid);
} while(FALSE);
if( status != OK)
{
LOtos( &loc_root, &out_file);
SIprintf("%s: Error opening %s for timezone %s\n",
appname, out_file, tzname);
PCexit(FAIL);
}
tm_tz_cb = (TM_TZ_CB *)&buf;
I4ASSIGN_MACRO( tm_tz_cb->timecnt, timecnt);
/* Make sure the input file has correct file size */
if( timecnt > TM_MAX_TIMECNT || timecnt < 0
|| i != sizeof(TM_TZ_CB) + timecnt*(sizeof(i4)+1))
{
LOtos( &loc_root, &out_file);
SIprintf(
"%s: Invalid file format for timezone file %s for timezone %s\n",
appname, out_file, tzname);
SIprintf(
" File size: %d, Expected file size: %d, time periods: %d\n",
i, sizeof(TM_TZ_CB) + timecnt*(sizeof(i4)+1),
timecnt);
PCexit(FAIL);
}
/* Now we are all set to display the content of timezone information file */
LOtos( &loc_root, &out_file);
SIprintf("\n\n");
SIprintf("timezone name: %s\n", tzname);
SIprintf("timezone file: %s\n", out_file);
SIprintf("-------------------------------------");
SIprintf("-------------------------------------\n");
if(timecnt == 0)
{
I4ASSIGN_MACRO( tm_tz_cb->tzinfo[0].gmtoff, tempi);
SIprintf(" Fixed GMT offset (secs): %d\n", tempi);
}
else
{
SIprintf("\tPeriod Begin");
SIprintf("\t\tGMT offset\n");
SIprintf("\t(YYYY_MM_DD HH:MM)");
SIprintf("\t(Minute)\n\n");
tm_tztype = buf + sizeof(TM_TZ_CB);
tm_tztime = tm_tztype + timecnt;
i=0;
while( i < timecnt)
{
I4ASSIGN_MACRO( *tm_tztime, tempi);
/* Adjust for timezone */
if( i == 0)
temptype = (i4)tm_tztype[i+1];
else
temptype = (i4)tm_tztype[i-1];
I4ASSIGN_MACRO( tm_tz_cb->tzinfo[temptype].gmtoff, temptz);
/* Get real timezone */
tempi += temptz;
temptype = (i4)tm_tztype[i];
I4ASSIGN_MACRO( tm_tz_cb->tzinfo[temptype].gmtoff, temptz);
TMtz_cvtime( tempi, &time_v);
SIprintf("\t%04d_%02d_%02d %02d:%02d\t%d\t%s\n",
time_v.tm_year+1900,
time_v.tm_mon+1,
time_v.tm_mday,
time_v.tm_hour,
time_v.tm_min,
temptz/60,
tm_tz_cb->tzlabel + tm_tz_cb->tzinfo[temptype].abbrind);
tm_tztime += sizeof(i4);
i++;
}
}
PCexit(OK);
}