Annotation of src/usr.bin/file/print.c, Revision 1.11
1.11 ! tedu 1: /* $OpenBSD$ */
1.1 deraadt 2: /*
1.9 ian 3: * Copyright (c) Ian F. Darwin 1986-1995.
4: * Software written by Ian F. Darwin and others;
5: * maintained 1995-present by Christos Zoulas and others.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice immediately at the beginning of the file, without modification,
12: * this list of conditions, and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21: * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
1.1 deraadt 28: */
1.11 ! tedu 29: /*
! 30: * print.c - debugging printout routines
! 31: */
1.1 deraadt 32:
1.11 ! tedu 33: #include "file.h"
1.1 deraadt 34: #include <stdio.h>
35: #include <errno.h>
36: #include <string.h>
1.7 millert 37: #include <stdarg.h>
1.1 deraadt 38: #include <stdlib.h>
1.11 ! tedu 39: #ifdef HAVE_UNISTD_H
1.1 deraadt 40: #include <unistd.h>
1.11 ! tedu 41: #endif
1.1 deraadt 42: #include <time.h>
43:
44: #ifndef lint
1.11 ! tedu 45: FILE_RCSID("@(#)$Id: print.c,v 1.44 2003/09/12 19:39:44 christos Exp $")
1.1 deraadt 46: #endif /* lint */
47:
48: #define SZOF(a) (sizeof(a) / sizeof(a[0]))
49:
1.11 ! tedu 50: #ifndef COMPILE_ONLY
! 51: protected void
! 52: file_mdump(struct magic *m)
1.1 deraadt 53: {
1.11 ! tedu 54: private const char *typ[] = { "invalid", "byte", "short", "invalid",
! 55: "long", "string", "date", "beshort",
! 56: "belong", "bedate", "leshort", "lelong",
! 57: "ledate", "pstring", "ldate", "beldate",
! 58: "leldate", "regex" };
! 59: private const char optyp[] = { '@', '&', '|', '^', '+', '-',
! 60: '*', '/', '%' };
1.1 deraadt 61: (void) fputc('[', stderr);
62: (void) fprintf(stderr, ">>>>>>>> %d" + 8 - (m->cont_level & 7),
63: m->offset);
64:
1.11 ! tedu 65: if (m->flag & INDIR) {
! 66: (void) fprintf(stderr, "(%s,",
! 67: /* Note: type is unsigned */
! 68: (m->in_type < SZOF(typ)) ?
! 69: typ[m->in_type] : "*bad*");
! 70: if (m->in_op & FILE_OPINVERSE)
! 71: (void) fputc('~', stderr);
! 72: (void) fprintf(stderr, "%c%d),",
! 73: ((m->in_op&0x7F) < SZOF(optyp)) ?
! 74: optyp[m->in_op&0x7F] : '?',
! 75: m->in_offset);
! 76: }
1.1 deraadt 77: (void) fprintf(stderr, " %s%s", (m->flag & UNSIGNED) ? "u" : "",
1.11 ! tedu 78: /* Note: type is unsigned */
! 79: (m->type < SZOF(typ)) ? typ[m->type] : "*bad*");
! 80: if (m->mask_op & FILE_OPINVERSE)
! 81: (void) fputc('~', stderr);
! 82: if (m->mask) {
! 83: if ((m->mask_op & 0x7F) < SZOF(optyp))
! 84: fputc(optyp[m->mask_op&0x7F], stderr);
! 85: else
! 86: fputc('?', stderr);
! 87: if(FILE_STRING != m->type || FILE_PSTRING != m->type)
! 88: (void) fprintf(stderr, "%.8x", m->mask);
! 89: else {
! 90: if (m->mask & STRING_IGNORE_LOWERCASE)
! 91: (void) fputc(CHAR_IGNORE_LOWERCASE, stderr);
! 92: if (m->mask & STRING_COMPACT_BLANK)
! 93: (void) fputc(CHAR_COMPACT_BLANK, stderr);
! 94: if (m->mask & STRING_COMPACT_OPTIONAL_BLANK)
! 95: (void) fputc(CHAR_COMPACT_OPTIONAL_BLANK,
! 96: stderr);
! 97: }
! 98: }
1.1 deraadt 99:
100: (void) fprintf(stderr, ",%c", m->reln);
101:
102: if (m->reln != 'x') {
1.11 ! tedu 103: switch (m->type) {
! 104: case FILE_BYTE:
! 105: case FILE_SHORT:
! 106: case FILE_LONG:
! 107: case FILE_LESHORT:
! 108: case FILE_LELONG:
! 109: case FILE_BESHORT:
! 110: case FILE_BELONG:
! 111: (void) fprintf(stderr, "%d", m->value.l);
! 112: break;
! 113: case FILE_STRING:
! 114: case FILE_PSTRING:
! 115: case FILE_REGEX:
! 116: file_showstr(stderr, m->value.s, ~0U);
! 117: break;
! 118: case FILE_DATE:
! 119: case FILE_LEDATE:
! 120: case FILE_BEDATE:
! 121: (void)fprintf(stderr, "%s,",
! 122: file_fmttime(m->value.l, 1));
! 123: break;
! 124: case FILE_LDATE:
! 125: case FILE_LELDATE:
! 126: case FILE_BELDATE:
! 127: (void)fprintf(stderr, "%s,",
! 128: file_fmttime(m->value.l, 0));
! 129: break;
! 130: default:
! 131: (void) fputs("*bad*", stderr);
! 132: break;
! 133: }
1.1 deraadt 134: }
135: (void) fprintf(stderr, ",\"%s\"]\n", m->desc);
1.8 ian 136: }
1.11 ! tedu 137: #endif
1.8 ian 138:
1.11 ! tedu 139: /*VARARGS*/
! 140: protected void
! 141: file_magwarn(const char *f, ...)
1.8 ian 142: {
143: va_list va;
1.11 ! tedu 144: va_start(va, f);
! 145:
! 146: /* cuz we use stdout for most, stderr here */
! 147: (void) fflush(stdout);
1.1 deraadt 148:
1.11 ! tedu 149: (void) fprintf(stderr, "WARNING: ");
! 150: (void) vfprintf(stderr, f, va);
! 151: va_end(va);
! 152: fputc('\n', stderr);
1.1 deraadt 153: }
154:
1.11 ! tedu 155: protected char *
! 156: file_fmttime(uint32_t v, int local)
1.1 deraadt 157: {
1.11 ! tedu 158: char *pp, *rt;
! 159: time_t t = (time_t)v;
! 160: struct tm *tm;
! 161:
! 162: if (local) {
! 163: pp = ctime(&t);
! 164: } else {
! 165: #ifndef HAVE_DAYLIGHT
! 166: private int daylight = 0;
! 167: #ifdef HAVE_TM_ISDST
! 168: private time_t now = (time_t)0;
! 169:
! 170: if (now == (time_t)0) {
! 171: struct tm *tm1;
! 172: (void)time(&now);
! 173: tm1 = localtime(&now);
! 174: daylight = tm1->tm_isdst;
! 175: }
! 176: #endif /* HAVE_TM_ISDST */
! 177: #endif /* HAVE_DAYLIGHT */
! 178: if (daylight)
! 179: t += 3600;
! 180: tm = gmtime(&t);
! 181: pp = asctime(tm);
! 182: }
1.7 millert 183:
1.11 ! tedu 184: if ((rt = strchr(pp, '\n')) != NULL)
! 185: *rt = '\0';
! 186: return pp;
1.1 deraadt 187: }
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