Annotation of src/usr.bin/file/print.c, Revision 1.5
1.5 ! millert 1: /* $OpenBSD: print.c,v 1.4 1997/07/25 21:05:26 mickey Exp $ */
1.3 millert 2:
1.1 deraadt 3: /*
4: * print.c - debugging printout routines
5: *
6: * Copyright (c) Ian F. Darwin, 1987.
7: * Written by Ian F. Darwin.
8: *
9: * This software is not subject to any license of the American Telephone
10: * and Telegraph Company or of the Regents of the University of California.
11: *
12: * Permission is granted to anyone to use this software for any purpose on
13: * any computer system, and to alter it and redistribute it freely, subject
14: * to the following restrictions:
15: *
16: * 1. The author is not responsible for the consequences of use of this
17: * software, no matter how awful, even if they arise from flaws in it.
18: *
19: * 2. The origin of this software must not be misrepresented, either by
20: * explicit claim or by omission. Since few users ever read sources,
21: * credits must appear in the documentation.
22: *
23: * 3. Altered versions must be plainly marked as such, and must not be
24: * misrepresented as being the original software. Since few users
25: * ever read sources, credits must appear in the documentation.
26: *
27: * 4. This notice may not be removed or altered.
28: */
29:
30: #include <stdio.h>
31: #include <errno.h>
32: #include <string.h>
1.4 mickey 33: #ifdef __STDC__
1.1 deraadt 34: # include <stdarg.h>
35: #else
36: # include <varargs.h>
37: #endif
38: #include <stdlib.h>
39: #include <unistd.h>
40: #include <time.h>
41: #include "file.h"
42:
43: #ifndef lint
1.5 ! millert 44: static char *moduleid = "$OpenBSD: print.c,v 1.4 1997/07/25 21:05:26 mickey Exp $";
1.1 deraadt 45: #endif /* lint */
46:
47: #define SZOF(a) (sizeof(a) / sizeof(a[0]))
48:
49: void
50: mdump(m)
51: struct magic *m;
52: {
53: static char *typ[] = { "invalid", "byte", "short", "invalid",
54: "long", "string", "date", "beshort",
55: "belong", "bedate", "leshort", "lelong",
56: "ledate" };
57: (void) fputc('[', stderr);
58: (void) fprintf(stderr, ">>>>>>>> %d" + 8 - (m->cont_level & 7),
59: m->offset);
60:
61: if (m->flag & INDIR)
1.3 millert 62: (void) fprintf(stderr, "(%s,%d),",
1.1 deraadt 63: (m->in.type >= 0 && m->in.type < SZOF(typ)) ?
64: typ[(unsigned char) m->in.type] :
65: "*bad*",
66: m->in.offset);
67:
68: (void) fprintf(stderr, " %s%s", (m->flag & UNSIGNED) ? "u" : "",
69: (m->type >= 0 && m->type < SZOF(typ)) ?
70: typ[(unsigned char) m->type] :
71: "*bad*");
1.5 ! millert 72: if (m->mask != ~0)
1.3 millert 73: (void) fprintf(stderr, " & %.8x", m->mask);
1.1 deraadt 74:
75: (void) fprintf(stderr, ",%c", m->reln);
76:
77: if (m->reln != 'x') {
78: switch (m->type) {
79: case BYTE:
80: case SHORT:
81: case LONG:
82: case LESHORT:
83: case LELONG:
84: case BESHORT:
85: case BELONG:
1.3 millert 86: (void) fprintf(stderr, "%d", m->value.l);
1.1 deraadt 87: break;
88: case STRING:
89: showstr(stderr, m->value.s, -1);
90: break;
91: case DATE:
92: case LEDATE:
93: case BEDATE:
94: {
95: char *rt, *pp = ctime((time_t*) &m->value.l);
96: if ((rt = strchr(pp, '\n')) != NULL)
97: *rt = '\0';
98: (void) fprintf(stderr, "%s,", pp);
99: if (rt)
100: *rt = '\n';
101: }
102: break;
103: default:
104: (void) fputs("*bad*", stderr);
105: break;
106: }
107: }
108: (void) fprintf(stderr, ",\"%s\"]\n", m->desc);
109: }
110:
111: /*
112: * ckfputs - futs, but with error checking
113: * ckfprintf - fprintf, but with error checking
114: */
115: void
116: ckfputs(str, fil)
117: const char *str;
118: FILE *fil;
119: {
120: if (fputs(str,fil) == EOF)
121: error("write failed.\n");
122: }
123:
124: /*VARARGS*/
125: void
1.4 mickey 126: #ifdef __STDC__
1.1 deraadt 127: ckfprintf(FILE *f, const char *fmt, ...)
128: #else
129: ckfprintf(va_alist)
130: va_dcl
131: #endif
132: {
133: va_list va;
1.4 mickey 134: #ifdef __STDC__
1.1 deraadt 135: va_start(va, fmt);
136: #else
137: FILE *f;
138: const char *fmt;
139: va_start(va);
140: f = va_arg(va, FILE *);
141: fmt = va_arg(va, const char *);
142: #endif
143: (void) vfprintf(f, fmt, va);
144: if (ferror(f))
145: error("write failed.\n");
146: va_end(va);
147: }
148:
149: /*
150: * error - print best error message possible and exit
151: */
152: /*VARARGS*/
153: void
1.4 mickey 154: #ifdef __STDC__
1.1 deraadt 155: error(const char *f, ...)
156: #else
157: error(va_alist)
158: va_dcl
159: #endif
160: {
161: va_list va;
1.4 mickey 162: #ifdef __STDC__
1.1 deraadt 163: va_start(va, f);
164: #else
165: const char *f;
166: va_start(va);
167: f = va_arg(va, const char *);
168: #endif
169: /* cuz we use stdout for most, stderr here */
170: (void) fflush(stdout);
171:
172: if (progname != NULL)
173: (void) fprintf(stderr, "%s: ", progname);
174: (void) vfprintf(stderr, f, va);
175: va_end(va);
176: exit(1);
177: }
178:
179: /*VARARGS*/
180: void
1.4 mickey 181: #ifdef __STDC__
1.1 deraadt 182: magwarn(const char *f, ...)
183: #else
184: magwarn(va_alist)
185: va_dcl
186: #endif
187: {
188: va_list va;
1.4 mickey 189: #ifdef __STDC__
1.1 deraadt 190: va_start(va, f);
191: #else
192: const char *f;
193: va_start(va);
194: f = va_arg(va, const char *);
195: #endif
196: /* cuz we use stdout for most, stderr here */
197: (void) fflush(stdout);
198:
199: if (progname != NULL)
200: (void) fprintf(stderr, "%s: %s, %d: ",
201: progname, magicfile, lineno);
202: (void) vfprintf(stderr, f, va);
203: va_end(va);
204: fputc('\n', stderr);
205: }
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