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/*
* Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
* All rights reserved.
*
* 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,
* 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.
* 3. Neither the name of The TenDRA Project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific, prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDERS 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.
*
* $Id$
*/
/*
Crown Copyright (c) 1997
This TenDRA(r) Computer Program is subject to Copyright
owned by the United Kingdom Secretary of State for Defence
acting through the Defence Evaluation and Research Agency
(DERA). It is made available to Recipients with a
royalty-free licence for its use, reproduction, transfer
to other parties and amendment for any purpose not excluding
product development provided that any such use et cetera
shall be deemed to be acceptance of the following conditions:-
(1) Its Recipients shall ensure that this Notice is
reproduced upon any copies or amended versions of it;
(2) Any amended version of it shall be clearly marked to
show both the nature of and the organisation responsible
for the relevant amendment or amendments;
(3) Its onward transfer from a recipient to another
party shall be deemed to be that party's acceptance of
these conditions;
(4) DERA gives no warranty or assurance as to its
quality or suitability for any purpose and DERA accepts
no liability whatsoever in relation to any use to which
it may be put.
*/
#include "config.h"
#if FS_STDARG
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include "types.h"
#include "read_types.h"
#include "analyser.h"
#include "fetch.h"
#include "file.h"
#include "table.h"
#include "utility.h"
#include "write.h"
extern char *progname;
extern char *capname;
extern int decode_status;
extern int have_version;
/*
ARE INPUT AND OUTPUT TEXT OR CODE?
The form of any error message depends on whether the input file
is text or code.
*/
boolean text_input = 1;
boolean text_output = 0;
/*
EXIT STATUS
The overall exit status of the program.
*/
int exit_status = EXIT_SUCCESS;
/*
REPORT A FATAL ERROR
The error s is reported and the program exits.
*/
void
fatal_error(char *s, ...) /* VARARGS */
{
va_list args;
#if FS_STDARG
va_start(args, s);
#else
char *s;
va_start(args);
s = va_arg(args, char *);
#endif
if (progname)IGNORE fprintf(stderr, "%s: ", progname);
IGNORE fprintf(stderr, "Error: ");
IGNORE vfprintf(stderr, s, args);
IGNORE fprintf(stderr, ".\n");
va_end(args);
exit(EXIT_FAILURE);
}
/*
IS AN INPUT ERROR FATAL?
Not all input errors cause an immediate exit. These should set
is_fatal to false before calling input_error.
*/
boolean is_fatal = 1;
/*
REPORT AN INPUT ERROR
The input error s is reported and the program exits.
*/
void
input_error(char *s, ...) /* VARARGS */
{
va_list args;
#if FS_STDARG
va_start(args, s);
#else
char *s;
va_start(args);
s = va_arg(args, char *);
#endif
if (progname)IGNORE fprintf(stderr, "%s: ", progname);
IGNORE fprintf(stderr, "Error: ");
IGNORE vfprintf(stderr, s, args);
if (input_file) {
IGNORE fprintf(stderr, ", %s", input_file);
if (text_input) {
IGNORE fprintf(stderr, ", line %ld", line_no);
} else {
long b = input_posn();
if (capname) {
IGNORE fprintf(stderr, ", capsule %s", capname);
}
switch (decode_status) {
case 0: {
IGNORE fprintf(stderr, " (at outermost level)");
break;
}
case 1: {
IGNORE fprintf(stderr, " (in linking information)");
break;
}
case 2: {
IGNORE fprintf(stderr, " (in unit body)");
break;
}
}
IGNORE fprintf(stderr, ", byte %ld, bit %ld", b / 8, b % 8);
if (decode_status == 0) {
IGNORE fprintf(stderr, " (Illegal TDF capsule?)");
}
if (decode_status >= 1 && !have_version) {
IGNORE fprintf(stderr, " (TDF version error?)");
}
}
}
IGNORE fprintf(stderr, ".\n");
va_end(args);
if (is_fatal) {
if (text_output) {
sort_all();
print_capsule();
IGNORE fputs("# TERMINATED ON INPUT ERROR\n", output);
}
exit(EXIT_FAILURE);
}
is_fatal = 1;
exit_status = EXIT_FAILURE;
return;
}
/*
ISSUE A WARNING
The warning message s is printed.
*/
void
warning(char *s, ...) /* VARARGS */
{
va_list args;
#if FS_STDARG
va_start(args, s);
#else
char *s;
va_start(args);
s = va_arg(args, char *);
#endif
if (progname)IGNORE fprintf(stderr, "%s: ", progname);
IGNORE fprintf(stderr, "Warning: ");
IGNORE vfprintf(stderr, s, args);
IGNORE fprintf(stderr, ".\n");
va_end(args);
return;
}
/*
ALLOCATE A SECTION OF MEMORY
This routine allocates n bytes of memory.
*/
pointer
xalloc(int n)
{
pointer ptr;
if (n == 0) return(null);
ptr = (pointer)malloc((size_t)n);
if (ptr == null) {
if (!text_input && decode_status == 0) {
fatal_error("Memory allocation error (Illegal TDF capsule?)");
}
fatal_error("Memory allocation error");
}
return(ptr);
}
/*
REALLOCATE A SECTION OF MEMORY
This routine reallocates n bytes of memory for the pointer p.
*/
pointer
xrealloc(pointer p, int n)
{
pointer ptr;
if (n == 0) return(null);
if (p == null) return(xalloc(n));
ptr = (pointer)realloc(p,(size_t)n);
if (ptr == null)fatal_error("Memory allocation error");
return(ptr);
}
/*
MAKE A COPY OF A STRING
This routine makes a permanent copy of the string s of length n.
*/
char *
string_copy(char *s, int n)
{
int m = (n + 1)*(int)sizeof(char);
char *p = (char *)xalloc(m);
IGNORE strncpy(p, s,(size_t)n);
p[n] = 0;
return(p);
}
/*
MAKE A TEMPORARY COPY OF A STRING
This routine copies a string into a temporary buffer.
*/
char *
temp_copy(char *s)
{
static char *buff = null;
static int bufflen = 0;
int n = (int)strlen(s) + 1;
if (n >= bufflen) {
bufflen = n + 100;
buff = (char *)xrealloc((pointer)buff, bufflen);
}
IGNORE strcpy(buff, s);
return(buff);
}
/*
CONVERT AN UNSIGNED LONG TO OCTAL
The result is returned as a string of octal digits.
*/
char *
ulong_to_octal(unsigned long n)
{
int i = 99;
char buff[100];
if (n == 0) return("0");
buff[i] = 0;
while (n) {
buff[--i] = (char)('0' + (n & 7));
n >>= 3;
}
return(string_copy(buff + i, 99 - i));
}
/*
CONVERT AN OCTAL STRING TO AN UNSIGNED LONG
Any overflow is ignored (but see below).
*/
unsigned long
octal_to_ulong(char *num)
{
unsigned long n = 0;
for (; *num; num++) {
n = (n << 3) + (unsigned long)(*num - '0');
}
return(n);
}
/*
DOES THE GIVEN OCTAL STRING FIT INTO AN UNSIGNED LONG?
The number of binary digits needed to represent the octal number
is calculated and compared against the number of bits in an
unsigned long, minus sz (to allow for a sign bit).
*/
boolean
fits_ulong(char *num, int sz)
{
int n = 3 *(int)strlen(num);
int m = BYTESIZE *(int)sizeof(unsigned long) - sz;
switch (*num) {
case '0': n -= 3; break;
case '1': n -= 2; break;
case '2': n -= 1; break;
case '3': n -= 1; break;
}
if (n <= m) return(1);
return(0);
}