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rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable).  these days, people use source.  these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

/*	$OpenBSD: print.c,v 1.16 2009/10/27 23:59:37 deraadt Exp $ */
/*
 * Copyright (c) Ian F. Darwin 1986-1995.
 * Software written by Ian F. Darwin and others;
 * maintained 1995-present by Christos Zoulas and others.
 * 
 * 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 immediately at the beginning of the file, without modification,
 *    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.
 *  
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS 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 THE AUTHOR OR 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.
 */
/*
 * print.c - debugging printout routines
 */

#include "file.h"
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <time.h>

#define SZOF(a)	(sizeof(a) / sizeof(a[0]))

#ifndef COMPILE_ONLY
protected void
file_mdump(struct magic *m)
{
	private const char optyp[] = { FILE_OPS };

	(void) fprintf(stderr, "[%u", m->lineno);
	(void) fprintf(stderr, ">>>>>>>> %u" + 8 - (m->cont_level & 7),
		       m->offset);

	if (m->flag & INDIR) {
		(void) fprintf(stderr, "(%s,",
			       /* Note: type is unsigned */
			       (m->in_type < file_nnames) ? 
					file_names[m->in_type] : "*bad*");
		if (m->in_op & FILE_OPINVERSE)
			(void) fputc('~', stderr);
		(void) fprintf(stderr, "%c%u),",
			       ((m->in_op & FILE_OPS_MASK) < SZOF(optyp)) ? 
					optyp[m->in_op & FILE_OPS_MASK] : '?',
				m->in_offset);
	}
	(void) fprintf(stderr, " %s%s", (m->flag & UNSIGNED) ? "u" : "",
		       /* Note: type is unsigned */
		       (m->type < file_nnames) ? file_names[m->type] : "*bad*");
	if (m->mask_op & FILE_OPINVERSE)
		(void) fputc('~', stderr);

	if (IS_STRING(m->type)) {
		if (m->str_flags) {
			(void) fputc('/', stderr);
			if (m->str_flags & STRING_COMPACT_BLANK) 
				(void) fputc(CHAR_COMPACT_BLANK, stderr);
			if (m->str_flags & STRING_COMPACT_OPTIONAL_BLANK) 
				(void) fputc(CHAR_COMPACT_OPTIONAL_BLANK,
				    stderr);
			if (m->str_flags & STRING_IGNORE_LOWERCASE) 
				(void) fputc(CHAR_IGNORE_LOWERCASE, stderr);
			if (m->str_flags & STRING_IGNORE_UPPERCASE) 
				(void) fputc(CHAR_IGNORE_UPPERCASE, stderr);
			if (m->str_flags & REGEX_OFFSET_START) 
				(void) fputc(CHAR_REGEX_OFFSET_START, stderr);
		}
		if (m->str_range)
			(void) fprintf(stderr, "/%u", m->str_range);
	}
	else {
		if ((m->mask_op & FILE_OPS_MASK) < SZOF(optyp))
			(void) fputc(optyp[m->mask_op & FILE_OPS_MASK], stderr);
		else
			(void) fputc('?', stderr);
			
		if (m->num_mask) {
			(void) fprintf(stderr, "%.8llx",
			    (unsigned long long)m->num_mask);
		}
	}
	(void) fprintf(stderr, ",%c", m->reln);

	if (m->reln != 'x') {
		switch (m->type) {
		case FILE_BYTE:
		case FILE_SHORT:
		case FILE_LONG:
		case FILE_LESHORT:
		case FILE_LELONG:
		case FILE_MELONG:
		case FILE_BESHORT:
		case FILE_BELONG:
			(void) fprintf(stderr, "%d", m->value.l);
			break;
		case FILE_BEQUAD:
		case FILE_LEQUAD:
		case FILE_QUAD:
			(void) fprintf(stderr, "%lld",
			    (unsigned long long)m->value.q);
			break;
		case FILE_PSTRING:
		case FILE_STRING:
		case FILE_REGEX:
		case FILE_BESTRING16:
		case FILE_LESTRING16:
		case FILE_SEARCH:
			file_showstr(stderr, m->value.s, (size_t)m->vallen);
			break;
		case FILE_DATE:
		case FILE_LEDATE:
		case FILE_BEDATE:
		case FILE_MEDATE:
			(void)fprintf(stderr, "%s,",
			    file_fmttime(m->value.l, 1));
			break;
		case FILE_LDATE:
		case FILE_LELDATE:
		case FILE_BELDATE:
		case FILE_MELDATE:
			(void)fprintf(stderr, "%s,",
			    file_fmttime(m->value.l, 0));
			break;
		case FILE_QDATE:
		case FILE_LEQDATE:
		case FILE_BEQDATE:
			(void)fprintf(stderr, "%s,",
			    file_fmttime((uint32_t)m->value.q, 1));
			break;
		case FILE_QLDATE:
		case FILE_LEQLDATE:
		case FILE_BEQLDATE:
			(void)fprintf(stderr, "%s,",
			    file_fmttime((uint32_t)m->value.q, 0));
			break;
		case FILE_FLOAT:
		case FILE_BEFLOAT:
		case FILE_LEFLOAT:
			(void) fprintf(stderr, "%G", m->value.f);
			break;
		case FILE_DOUBLE:
		case FILE_BEDOUBLE:
		case FILE_LEDOUBLE:
			(void) fprintf(stderr, "%G", m->value.d);
			break;
		case FILE_DEFAULT:
			/* XXX - do anything here? */
			break;
		default:
			(void) fputs("*bad*", stderr);
			break;
		}
	}
	(void) fprintf(stderr, ",\"%s\"]\n", m->desc);
}
#endif

/*VARARGS*/
protected void
file_magwarn(struct magic_set *ms, const char *f, ...)
{
	va_list va;

	/* cuz we use stdout for most, stderr here */
	(void) fflush(stdout); 

	if (ms->file)
		(void) fprintf(stderr, "%s, %lu: ", ms->file,
		    (unsigned long)ms->line);
	(void) fprintf(stderr, "Warning: ");
	va_start(va, f);
	(void) vfprintf(stderr, f, va);
	va_end(va);
	(void) fputc('\n', stderr);
}

protected const char *
file_fmttime(uint32_t v, int local)
{
	char *pp;
	time_t t = (time_t)v;
	struct tm *tm;

	if (local) {
		pp = ctime(&t);
	} else {
#ifndef HAVE_DAYLIGHT
		private int daylight = 0;
#ifdef HAVE_TM_ISDST
		private time_t now = (time_t)0;

		if (now == (time_t)0) {
			struct tm *tm1;
			(void)time(&now);
			tm1 = localtime(&now);
			if (tm1 == NULL)
				return "*Invalid time*";
			daylight = tm1->tm_isdst;
		}
#endif /* HAVE_TM_ISDST */
#endif /* HAVE_DAYLIGHT */
		if (daylight)
			t += 3600;
		tm = gmtime(&t);
		if (tm == NULL)
			return "*Invalid time*";
		pp = asctime(tm);
	}

	pp[strcspn(pp, "\n")] = '\0';
	return pp;
}