src/common/header.c

#ifndef lint
static const char       RCSid[] = "$Id$";
#endif
/*
 *  header.c - routines for reading and writing information headers.
 *
 *  Externals declared in resolu.h
 *
 *  newheader(t,fp)     start new information header identified by string t
 *  isheadid(s)         returns true if s is a header id line
 *  headidval(r,s)      copy header identifier value in s to r
 *  dateval(t,s)        get capture date value
 *  isdate(s)           returns true if s is a date line
 *  fputdate(t,fp)      put out the given capture date and time
 *  fputnow(fp)         put out the current date and time
 *  printargs(ac,av,fp) print an argument list to fp, followed by '\n'
 *  isformat(s)         returns true if s is of the form "FORMAT=*"
 *  formatval(r,s)      copy the format value in s to r
 *  fputformat(s,fp)    write "FORMAT=%s" to fp
 *  getheader(fp,f,p)   read header from fp, calling f(s,p) on each line
 *  globmatch(pat, str) check for glob match of str against pat
 *  checkheader(i,p,o)  check header format from i against p and copy to o
 *
 *  To copy header from input to output, use getheader(fin, fputs, fout)
 */

/* ====================================================================
 * The Radiance Software License, Version 1.0
 *
 * Copyright (c) 1990 - 2002 The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory.   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *           if any, must include the following acknowledgment:
 *             "This product includes Radiance software
 *                 (http://radsite.lbl.gov/)
 *                 developed by the Lawrence Berkeley National Laboratory
 *               (http://www.lbl.gov/)."
 *       Alternately, this acknowledgment may appear in the software itself,
 *       if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
 *       and "The Regents of the University of California" must
 *       not be used to endorse or promote products derived from this
 *       software without prior written permission. For written
 *       permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Radiance",
 *       nor may "Radiance" appear in their name, without prior written
 *       permission of Lawrence Berkeley National Laboratory.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
 * information on Lawrence Berkeley National Laboratory, please see
 * <http://www.lbl.gov/>.
 */

#include  <stdio.h>
#include  <string.h>
#include  <time.h>
#include  <ctype.h>

#define  MAXLINE        512

#ifndef BSD
#define  index  strchr
#endif

extern char  *index();

char  HDRSTR[] = "#?";          /* information header magic number */

char  FMTSTR[] = "FORMAT=";     /* format identifier */

char  TMSTR[] = "CAPDATE=";     /* capture date identifier */

static int mycheck();


void
newheader(s, fp)                /* identifying line of information header */
char  *s;
register FILE  *fp;
{
        fputs(HDRSTR, fp);
        fputs(s, fp);
        putc('\n', fp);
}


int
headidval(r,s)                  /* get header id (return true if is id) */
register char  *r, *s;
{
        register char  *cp = HDRSTR;

        while (*cp) if (*cp++ != *s++) return(0);
        if (r == NULL) return(1);
        while (*s && !isspace(*s)) *r++ = *s++;
        *r = '\0';
        return(1);
}


int
isheadid(s)                     /* check to see if line is header id */
char  *s;
{
        return(headidval(NULL, s));
}


int
dateval(tloc, s)                /* get capture date value */
time_t  *tloc;
char    *s;
{
        struct tm       tms;
        register char  *cp = TMSTR;

        while (*cp) if (*cp++ != *s++) return(0);
        while (isspace(*s)) s++;
        if (!*s) return(0);
        if (sscanf(s, "%d:%d:%d %d:%d:%d",
                        &tms.tm_year, &tms.tm_mon, &tms.tm_mday,
                        &tms.tm_hour, &tms.tm_min, &tms.tm_sec) != 6)
                return(0);
        if (tloc == NULL)
                return(1);
        tms.tm_mon--;
        tms.tm_year -= 1900;
        tms.tm_isdst = -1;      /* ask mktime() to figure out DST */
        *tloc = mktime(&tms);
        return(1);
}


int
isdate(s)                       /* is the given line a capture date? */
char *s;
{
        return(dateval(NULL, s));
}


void
fputdate(tv, fp)                /* write out the given time value */
time_t  tv;
FILE    *fp;
{
        struct tm       *tm = localtime(&tv);
        if (tm == NULL)
                return;
        fprintf(fp, "%s %04d:%02d:%02d %02d:%02d:%02d\n", TMSTR,
                        tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
                        tm->tm_hour, tm->tm_min, tm->tm_sec);
}


void
fputnow(fp)                     /* write out the current time */
FILE    *fp;
{
        time_t  tv;
        time(&tv);
        fputdate(tv, fp);
}


void
printargs(ac, av, fp)           /* print arguments to a file */
int  ac;
char  **av;
FILE  *fp;
{
        int  quote;

        while (ac-- > 0) {
                fputword(*av++, fp);
                fputc(ac ? ' ' : '\n', fp);
        }
}


int
formatval(r, s)                 /* get format value (return true if format) */
register char  *r;
register char  *s;
{
        register char  *cp = FMTSTR;

        while (*cp) if (*cp++ != *s++) return(0);
        while (isspace(*s)) s++;
        if (!*s) return(0);
        if (r == NULL) return(1);
        do
                *r++ = *s++;
        while(*s && !isspace(*s));
        *r = '\0';
        return(1);
}


int
isformat(s)                     /* is line a format line? */
char  *s;
{
        return(formatval(NULL, s));
}


void
fputformat(s, fp)               /* put out a format value */
char  *s;
FILE  *fp;
{
        fputs(FMTSTR, fp);
        fputs(s, fp);
        putc('\n', fp);
}


int
getheader(fp, f, p)             /* get header from file */
FILE  *fp;
int  (*f)();
char  *p;
{
        char  buf[MAXLINE];

        for ( ; ; ) {
                buf[MAXLINE-2] = '\n';
                if (fgets(buf, MAXLINE, fp) == NULL)
                        return(-1);
                if (buf[0] == '\n')
                        return(0);
#ifdef MSDOS
                if (buf[0] == '\r' && buf[1] == '\n')
                        return(0);
#endif
                if (buf[MAXLINE-2] != '\n') {
                        ungetc(buf[MAXLINE-2], fp);     /* prevent false end */
                        buf[MAXLINE-2] = '\0';
                }
                if (f != NULL && (*f)(buf, p) < 0)
                        return(-1);
        }
}


struct check {
        FILE    *fp;
        char    fs[64];
};


static int
mycheck(s, cp)                  /* check a header line for format info. */
char  *s;
register struct check  *cp;
{
        if (!formatval(cp->fs, s) && cp->fp != NULL)
                fputs(s, cp->fp);
        return(0);
}


int
globmatch(p, s)                 /* check for match of s against pattern p */
register char   *p, *s;
{
        int     setmatch;

        do {
                switch (*p) {
                case '?':                       /* match any character */
                        if (!*s++)
                                return(0);
                        break;
                case '*':                       /* match any string */
                        while (p[1] == '*') p++;
                        do
                                if ( (p[1]=='?' || p[1]==*s) &&
                                                globmatch(p+1,s) )
                                        return(1);
                        while (*s++);
                        return(0);
                case '[':                       /* character set */
                        setmatch = *s == *++p;
                        if (!*p)
                                return(0);
                        while (*++p != ']') {
                                if (!*p)
                                        return(0);
                                if (*p == '-') {
                                        setmatch += p[-1] <= *s && *s <= p[1];
                                        if (!*++p)
                                                break;
                                } else
                                        setmatch += *p == *s;
                        }
                        if (!setmatch)
                                return(0);
                        s++;
                        break;
                case '\\':                      /* literal next */
                        p++;
                /* fall through */
                default:                        /* normal character */
                        if (*p != *s)
                                return(0);
                        s++;
                        break;
                }
        } while (*p++);
        return(1);
}


/*
 * Checkheader(fin,fmt,fout) returns a value of 1 if the input format
 * matches the specification in fmt, 0 if no input format was found,
 * and -1 if the input format does not match or there is an
 * error reading the header.  If fmt is empty, then -1 is returned
 * if any input format is found (or there is an error), and 0 otherwise.
 * If fmt contains any '*' or '?' characters, then checkheader
 * does wildcard expansion and copies a matching result into fmt.
 * Be sure that fmt is big enough to hold the match in such cases,
 * and that it is not a static, read-only string!
 * The input header (minus any format lines) is copied to fout
 * if fout is not NULL.
 */

int
checkheader(fin, fmt, fout)
FILE  *fin;
char  *fmt;
FILE  *fout;
{
        struct check    cdat;
        register char   *cp;

        cdat.fp = fout;
        cdat.fs[0] = '\0';
        if (getheader(fin, mycheck, &cdat) < 0)
                return(-1);
        if (!cdat.fs[0])
                return(0);
        for (cp = fmt; *cp; cp++)               /* check for globbing */
                if (*cp == '?' | *cp == '*')
                        if (globmatch(fmt, cdat.fs)) {
                                strcpy(fmt, cdat.fs);
                                return(1);
                        } else
                                return(-1);
        return(strcmp(fmt, cdat.fs) ? -1 : 1);  /* literal match */
}
Revision:	2.11
Committed:	Sat Feb 22 02:07:22 2003 UTC (21 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.10:	+155 -21 lines
Log Message:	Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
#	User	Rev	Content
1	greg	1.1	#ifndef lint
2	greg	2.11	static const char RCSid[] = "$Id$";
3	greg	1.1	#endif
4			/*
5			* header.c - routines for reading and writing information headers.
6			*
7	greg	2.11	* Externals declared in resolu.h
8	greg	1.3	*
9	greg	2.4	* newheader(t,fp) start new information header identified by string t
10			* isheadid(s) returns true if s is a header id line
11			* headidval(r,s) copy header identifier value in s to r
12	greg	2.11	* dateval(t,s) get capture date value
13			* isdate(s) returns true if s is a date line
14			* fputdate(t,fp) put out the given capture date and time
15			* fputnow(fp) put out the current date and time
16	greg	2.3	* printargs(ac,av,fp) print an argument list to fp, followed by '\n'
17	greg	1.3	* isformat(s) returns true if s is of the form "FORMAT=*"
18			* formatval(r,s) copy the format value in s to r
19			* fputformat(s,fp) write "FORMAT=%s" to fp
20			* getheader(fp,f,p) read header from fp, calling f(s,p) on each line
21	greg	2.6	* globmatch(pat, str) check for glob match of str against pat
22	greg	1.3	* checkheader(i,p,o) check header format from i against p and copy to o
23			*
24			* To copy header from input to output, use getheader(fin, fputs, fout)
25	greg	1.1	*/
26
27	greg	2.11	/* ====================================================================
28			* The Radiance Software License, Version 1.0
29			*
30			* Copyright (c) 1990 - 2002 The Regents of the University of California,
31			* through Lawrence Berkeley National Laboratory. All rights reserved.
32			*
33			* Redistribution and use in source and binary forms, with or without
34			* modification, are permitted provided that the following conditions
35			* are met:
36			*
37			* 1. Redistributions of source code must retain the above copyright
38			* notice, this list of conditions and the following disclaimer.
39			*
40			* 2. Redistributions in binary form must reproduce the above copyright
41			* notice, this list of conditions and the following disclaimer in
42			* the documentation and/or other materials provided with the
43			* distribution.
44			*
45			* 3. The end-user documentation included with the redistribution,
46			* if any, must include the following acknowledgment:
47			* "This product includes Radiance software
48			* (http://radsite.lbl.gov/)
49			* developed by the Lawrence Berkeley National Laboratory
50			* (http://www.lbl.gov/)."
51			* Alternately, this acknowledgment may appear in the software itself,
52			* if and wherever such third-party acknowledgments normally appear.
53			*
54			* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
55			* and "The Regents of the University of California" must
56			* not be used to endorse or promote products derived from this
57			* software without prior written permission. For written
58			* permission, please contact [email protected].
59			*
60			* 5. Products derived from this software may not be called "Radiance",
61			* nor may "Radiance" appear in their name, without prior written
62			* permission of Lawrence Berkeley National Laboratory.
63			*
64			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
65			* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
66			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
67			* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
68			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
69			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
70			* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
71			* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
72			* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
73			* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
74			* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
75			* SUCH DAMAGE.
76			* ====================================================================
77			*
78			* This software consists of voluntary contributions made by many
79			* individuals on behalf of Lawrence Berkeley National Laboratory. For more
80			* information on Lawrence Berkeley National Laboratory, please see
81			* <http://www.lbl.gov/>.
82			*/
83
84	greg	1.1	#include <stdio.h>
85	greg	2.11	#include <string.h>
86			#include <time.h>
87	greg	1.3	#include <ctype.h>
88	greg	1.1
89	greg	2.3	#define MAXLINE 512
90	greg	1.1
91	greg	2.2	#ifndef BSD
92	greg	2.3	#define index strchr
93	greg	2.2	#endif
94
95			extern char *index();
96
97	greg	2.4	char HDRSTR[] = "#?"; /* information header magic number */
98	greg	1.2
99	greg	2.4	char FMTSTR[] = "FORMAT="; /* format identifier */
100	greg	1.2
101	greg	2.11	char TMSTR[] = "CAPDATE="; /* capture date identifier */
102
103			static int mycheck();
104	greg	2.4
105	greg	2.11
106			void
107	greg	2.4	newheader(s, fp) /* identifying line of information header */
108			char *s;
109			register FILE *fp;
110			{
111			fputs(HDRSTR, fp);
112			fputs(s, fp);
113			putc('\n', fp);
114			}
115
116
117	greg	2.5	int
118	greg	2.4	headidval(r,s) /* get header id (return true if is id) */
119			register char r, s;
120			{
121			register char *cp = HDRSTR;
122
123			while (cp) if (cp++ != *s++) return(0);
124			if (r == NULL) return(1);
125	gregl	2.9	while (s && !isspace(s)) r++ = s++;
126	greg	2.4	*r = '\0';
127			return(1);
128			}
129
130
131	greg	2.5	int
132	greg	2.4	isheadid(s) /* check to see if line is header id */
133			char *s;
134			{
135			return(headidval(NULL, s));
136			}
137
138
139	greg	2.11	int
140			dateval(tloc, s) /* get capture date value */
141			time_t *tloc;
142			char *s;
143			{
144			struct tm tms;
145			register char *cp = TMSTR;
146
147			while (cp) if (cp++ != *s++) return(0);
148			while (isspace(*s)) s++;
149			if (!*s) return(0);
150			if (sscanf(s, "%d:%d:%d %d:%d:%d",
151			&tms.tm_year, &tms.tm_mon, &tms.tm_mday,
152			&tms.tm_hour, &tms.tm_min, &tms.tm_sec) != 6)
153			return(0);
154			if (tloc == NULL)
155			return(1);
156			tms.tm_mon--;
157			tms.tm_year -= 1900;
158			tms.tm_isdst = -1; /* ask mktime() to figure out DST */
159			*tloc = mktime(&tms);
160			return(1);
161			}
162
163
164			int
165			isdate(s) /* is the given line a capture date? */
166			char *s;
167			{
168			return(dateval(NULL, s));
169			}
170
171
172			void
173			fputdate(tv, fp) /* write out the given time value */
174			time_t tv;
175			FILE *fp;
176			{
177			struct tm *tm = localtime(&tv);
178			if (tm == NULL)
179			return;
180			fprintf(fp, "%s %04d:%02d:%02d %02d:%02d:%02d\n", TMSTR,
181			tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
182			tm->tm_hour, tm->tm_min, tm->tm_sec);
183			}
184
185
186			void
187			fputnow(fp) /* write out the current time */
188			FILE *fp;
189			{
190			time_t tv;
191			time(&tv);
192			fputdate(tv, fp);
193			}
194
195
196			void
197	greg	1.1	printargs(ac, av, fp) /* print arguments to a file */
198			int ac;
199			char **av;
200	greg	2.11	FILE *fp;
201	greg	1.1	{
202	greg	2.2	int quote;
203
204	greg	1.1	while (ac-- > 0) {
205	greg	2.11	fputword(*av++, fp);
206			fputc(ac ? ' ' : '\n', fp);
207	greg	1.1	}
208			}
209
210
211	greg	2.5	int
212	greg	2.4	formatval(r, s) /* get format value (return true if format) */
213	greg	1.2	register char *r;
214			register char *s;
215			{
216	greg	2.4	register char *cp = FMTSTR;
217
218			while (cp) if (cp++ != *s++) return(0);
219	greg	1.3	while (isspace(*s)) s++;
220	greg	2.4	if (!*s) return(0);
221			if (r == NULL) return(1);
222	greg	2.5	do
223			r++ = s++;
224			while(s && !isspace(s));
225	greg	1.2	*r = '\0';
226	greg	2.4	return(1);
227	greg	1.2	}
228
229
230	greg	2.5	int
231	greg	2.4	isformat(s) /* is line a format line? */
232			char *s;
233			{
234			return(formatval(NULL, s));
235			}
236
237
238	greg	2.11	void
239	greg	1.2	fputformat(s, fp) /* put out a format value */
240			char *s;
241	greg	1.1	FILE *fp;
242	greg	1.2	{
243			fputs(FMTSTR, fp);
244			fputs(s, fp);
245			putc('\n', fp);
246			}
247
248
249	greg	2.5	int
250	greg	1.2	getheader(fp, f, p) /* get header from file */
251			FILE *fp;
252	greg	1.1	int (*f)();
253	greg	1.2	char *p;
254	greg	1.1	{
255			char buf[MAXLINE];
256
257			for ( ; ; ) {
258			buf[MAXLINE-2] = '\n';
259	greg	2.3	if (fgets(buf, MAXLINE, fp) == NULL)
260	greg	1.1	return(-1);
261			if (buf[0] == '\n')
262			return(0);
263	greg	2.3	#ifdef MSDOS
264			if (buf[0] == '\r' && buf[1] == '\n')
265			return(0);
266			#endif
267	greg	1.1	if (buf[MAXLINE-2] != '\n') {
268			ungetc(buf[MAXLINE-2], fp); /* prevent false end */
269			buf[MAXLINE-2] = '\0';
270			}
271	gwlarson	2.10	if (f != NULL && (*f)(buf, p) < 0)
272			return(-1);
273	greg	1.1	}
274			}
275
276
277	greg	1.2	struct check {
278			FILE *fp;
279	greg	1.3	char fs[64];
280	greg	1.2	};
281	greg	1.1
282	greg	1.2
283	greg	2.11	static int
284	greg	1.2	mycheck(s, cp) /* check a header line for format info. */
285	greg	1.1	char *s;
286	greg	1.2	register struct check *cp;
287	greg	1.1	{
288	greg	2.4	if (!formatval(cp->fs, s) && cp->fp != NULL)
289	greg	1.2	fputs(s, cp->fp);
290	greg	2.11	return(0);
291	greg	1.1	}
292
293
294	greg	2.5	int
295	greg	2.11	globmatch(p, s) /* check for match of s against pattern p */
296			register char p, s;
297	greg	1.3	{
298	greg	2.11	int setmatch;
299	greg	1.3
300			do {
301			switch (*p) {
302			case '?': /* match any character */
303			if (!*s++)
304			return(0);
305			break;
306			case '': / match any string */
307			while (p[1] == '*') p++;
308			do
309	greg	2.6	if ( (p[1]=='?' \|\| p[1]==*s) &&
310			globmatch(p+1,s) )
311	greg	1.3	return(1);
312			while (*s++);
313			return(0);
314	greg	2.11	case '[': /* character set */
315			setmatch = s == ++p;
316			if (!*p)
317			return(0);
318			while (*++p != ']') {
319			if (!*p)
320			return(0);
321			if (*p == '-') {
322			setmatch += p[-1] <= s && s <= p[1];
323			if (!*++p)
324			break;
325			} else
326			setmatch += p == s;
327			}
328			if (!setmatch)
329			return(0);
330			s++;
331			break;
332	greg	1.3	case '\\': /* literal next */
333			p++;
334			/* fall through */
335			default: /* normal character */
336			if (p != s)
337			return(0);
338			s++;
339			break;
340			}
341			} while (*p++);
342			return(1);
343			}
344
345
346			/*
347			* Checkheader(fin,fmt,fout) returns a value of 1 if the input format
348			* matches the specification in fmt, 0 if no input format was found,
349			* and -1 if the input format does not match or there is an
350	greg	1.4	* error reading the header. If fmt is empty, then -1 is returned
351	greg	1.3	* if any input format is found (or there is an error), and 0 otherwise.
352			* If fmt contains any '*' or '?' characters, then checkheader
353			* does wildcard expansion and copies a matching result into fmt.
354	greg	2.7	* Be sure that fmt is big enough to hold the match in such cases,
355			* and that it is not a static, read-only string!
356	greg	1.3	* The input header (minus any format lines) is copied to fout
357			* if fout is not NULL.
358			*/
359
360	greg	2.5	int
361	greg	1.3	checkheader(fin, fmt, fout)
362	greg	1.2	FILE *fin;
363			char *fmt;
364			FILE *fout;
365	greg	1.1	{
366	greg	1.2	struct check cdat;
367	greg	2.7	register char *cp;
368	greg	1.2
369			cdat.fp = fout;
370			cdat.fs[0] = '\0';
371			if (getheader(fin, mycheck, &cdat) < 0)
372	greg	1.3	return(-1);
373	greg	2.6	if (!cdat.fs[0])
374			return(0);
375	greg	2.7	for (cp = fmt; cp; cp++) / check for globbing */
376			if (cp == '?' \| cp == '*')
377			if (globmatch(fmt, cdat.fs)) {
378			strcpy(fmt, cdat.fs);
379			return(1);
380			} else
381			return(-1);
382			return(strcmp(fmt, cdat.fs) ? -1 : 1); /* literal match */
383	greg	1.1	}