Annotation of src/usr.bin/file/print.c, Revision 1.13
1.13 ! chl 1: /* $OpenBSD: print.c,v 1.12 2007/09/11 15:47:17 gilles Exp $ */
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
1.13 ! chl 45: FILE_RCSID("@(#)$Id: print.c,v 1.12 2007/09/11 15:47:17 gilles 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: {
1.13 ! chl 158: char *pp;
1.11 tedu 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:
1.12 gilles 184: pp[strcspn(pp, "\n")] = '\0';
1.11 tedu 185: return pp;
1.1 deraadt 186: }