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/*
* print.c - debugging printout routines
*
* Copyright (c) Ian F. Darwin, 1987.
* Written by Ian F. Darwin.
*
* This software is not subject to any license of the American Telephone
* and Telegraph Company or of the Regents of the University of California.
*
* Permission is granted to anyone to use this software for any purpose on
* any computer system, and to alter it and redistribute it freely, subject
* to the following restrictions:
*
* 1. The author is not responsible for the consequences of use of this
* software, no matter how awful, even if they arise from flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits must appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits must appear in the documentation.
*
* 4. This notice may not be removed or altered.
*/
#include "file.h"
#include <string.h>
#ifdef __STDC__
# include <stdarg.h>
#else
# include <varargs.h>
#endif
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <time.h>
#ifndef lint
FILE_RCSID("@(#)Id: print.c,v 1.38 2002/07/03 18:37:44 christos Exp ")
#endif /* lint */
#define SZOF(a) (sizeof(a) / sizeof(a[0]))
#ifndef COMPILE_ONLY
void
mdump(struct magic *m)
{
/*@observer@*/
static const char *typ[] = { "invalid", "byte", "short", "invalid",
"long", "string", "date", "beshort",
"belong", "bedate", "leshort", "lelong",
"ledate", "pstring", "ldate", "beldate",
"leldate", "regex" };
static const char optyp[] = { '@', '&', '|', '^', '+', '-',
'*', '/', '%' };
(void) fputc('[', stderr);
(void) fprintf(stderr, ">>>>>>>> %d" + 8 - (m->cont_level & 7),
m->offset);
if (m->flag & INDIR) {
(void) fprintf(stderr, "(%s,",
/* Note: type is unsigned */
(m->in_type < SZOF(typ)) ?
typ[m->in_type] : "*bad*");
if (m->in_op & OPINVERSE)
(void) fputc('~', stderr);
(void) fprintf(stderr, "%c%d),",
((m->in_op&0x7F) < SZOF(optyp)) ?
optyp[m->in_op&0x7F] : '?',
m->in_offset);
}
(void) fprintf(stderr, " %s%s", (m->flag & UNSIGNED) ? "u" : "",
/* Note: type is unsigned */
(m->type < SZOF(typ)) ? typ[m->type] : "*bad*");
if (m->mask_op & OPINVERSE)
(void) fputc('~', stderr);
if (m->mask) {
((m->mask_op&0x7F) < SZOF(optyp)) ?
(void) fputc(optyp[m->mask_op&0x7F], stderr) :
(void) fputc('?', stderr);
if(STRING != m->type || PSTRING != m->type)
(void) fprintf(stderr, "%.8x", m->mask);
else {
if (m->mask & STRING_IGNORE_LOWERCASE)
(void) fputc(CHAR_IGNORE_LOWERCASE, stderr);
if (m->mask & STRING_COMPACT_BLANK)
(void) fputc(CHAR_COMPACT_BLANK, stderr);
if (m->mask & STRING_COMPACT_OPTIONAL_BLANK)
(void) fputc(CHAR_COMPACT_OPTIONAL_BLANK,
stderr);
}
}
(void) fprintf(stderr, ",%c", m->reln);
if (m->reln != 'x') {
switch (m->type) {
case BYTE:
case SHORT:
case LONG:
case LESHORT:
case LELONG:
case BESHORT:
case BELONG:
(void) fprintf(stderr, "%d", m->value.l);
break;
case STRING:
case PSTRING:
case REGEX:
showstr(stderr, m->value.s, -1);
break;
case DATE:
case LEDATE:
case BEDATE:
(void)fprintf(stderr, "%s,", fmttime(m->value.l, 1));
break;
case LDATE:
case LELDATE:
case BELDATE:
(void)fprintf(stderr, "%s,", fmttime(m->value.l, 0));
break;
default:
(void) fputs("*bad*", stderr);
break;
}
}
(void) fprintf(stderr, ",\"%s\"]\n", m->desc);
}
#endif
/*
* ckfputs - fputs, but with error checking
* ckfprintf - fprintf, but with error checking
*/
void
ckfputs(const char *str, FILE *fil)
{
if (fputs(str,fil) == EOF)
error("write failed.\n");
}
/*VARARGS*/
void
ckfprintf(FILE *f, const char *fmt, ...)
{
va_list va;
va_start(va, fmt);
(void) vfprintf(f, fmt, va);
if (ferror(f))
error("write failed.\n");
va_end(va);
}
/*
* error - print best error message possible and exit
*/
/*VARARGS*/
void
error(const char *f, ...)
{
va_list va;
va_start(va, f);
/* cuz we use stdout for most, stderr here */
(void) fflush(stdout);
if (progname != NULL)
(void) fprintf(stderr, "%s: ", progname);
(void) vfprintf(stderr, f, va);
va_end(va);
exit(EXIT_FAILURE);
}
/*VARARGS*/
void
magwarn(const char *f, ...)
{
va_list va;
va_start(va, f);
/* cuz we use stdout for most, stderr here */
(void) fflush(stdout);
if (progname != NULL)
(void) fprintf(stderr, "%s: %s, %d: ",
progname, magicfile, lineno);
(void) vfprintf(stderr, f, va);
va_end(va);
(void) fputc('\n', stderr);
}
#ifndef COMPILE_ONLY
char *
fmttime(long v, int local)
{
char *pp, *rt;
time_t t = (time_t)v;
struct tm *tm;
if (local) {
pp = ctime(&t);
} else {
#ifndef HAVE_DAYLIGHT
static int daylight = 0;
#ifdef HAVE_TM_ISDST
static time_t now = (time_t)0;
if (now == (time_t)0) {
struct tm *tm1;
(void)time(&now);
tm1 = localtime(&now);
daylight = tm1->tm_isdst;
}
#endif /* HAVE_TM_ISDST */
#endif /* HAVE_DAYLIGHT */
if (daylight)
t += 3600;
tm = gmtime(&t);
pp = asctime(tm);
}
/*@-modobserver@*/
if ((rt = strchr(pp, '\n')) != NULL)
*rt = '\0';
/*@=modobserver@*/
return pp;
}
#endif
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