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2 7u83 1 
/*
7 7u83 2 
 * Copyright (c) 2002-2006 The TenDRA Project <http://www.tendra.org/>.
3 
 * All rights reserved.
4 
 *
5 
 * Redistribution and use in source and binary forms, with or without
6 
 * modification, are permitted provided that the following conditions are met:
7 
 *
8 
 * 1. Redistributions of source code must retain the above copyright notice,
9 
 *    this list of conditions and the following disclaimer.
10 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 
 *    this list of conditions and the following disclaimer in the documentation
12 
 *    and/or other materials provided with the distribution.
13 
 * 3. Neither the name of The TenDRA Project nor the names of its contributors
14 
 *    may be used to endorse or promote products derived from this software
15 
 *    without specific, prior written permission.
16 
 *
17 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
18 
 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
19 
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
21 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 
 * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
27 
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 
 *
29 
 * $Id$
30 
 */
31 
/*
2 7u83 32 
    		 Crown Copyright (c) 1997
7 7u83 33 
 
2 7u83 34 
    This TenDRA(r) Computer Program is subject to Copyright
35 
    owned by the United Kingdom Secretary of State for Defence
36 
    acting through the Defence Evaluation and Research Agency
37 
    (DERA).  It is made available to Recipients with a
38 
    royalty-free licence for its use, reproduction, transfer
39 
    to other parties and amendment for any purpose not excluding
40 
    product development provided that any such use et cetera
41 
    shall be deemed to be acceptance of the following conditions:-
7 7u83 42 
 
2 7u83 43 
        (1) Its Recipients shall ensure that this Notice is
44 
        reproduced upon any copies or amended versions of it;
7 7u83 45 
 
2 7u83 46 
        (2) Any amended version of it shall be clearly marked to
47 
        show both the nature of and the organisation responsible
48 
        for the relevant amendment or amendments;
7 7u83 49 
 
2 7u83 50 
        (3) Its onward transfer from a recipient to another
51 
        party shall be deemed to be that party's acceptance of
52 
        these conditions;
7 7u83 53 
 
2 7u83 54 
        (4) DERA gives no warranty or assurance as to its
55 
        quality or suitability for any purpose and DERA accepts
56 
        no liability whatsoever in relation to any use to which
57 
        it may be put.
58 
*/
59 
 
60 
 
61 
/**** error.c --- Error reporting.
62 
 *
63 
 ** Author: Steve Folkes <smf@hermes.mod.uk>
64 
 *
65 
 **** Commentary:
66 
 *
67 
 * This file implements the error reporting facility specified in the file
68 
 * "error.h".  See that file for more details.
69 
 *
70 
 **** Change Log:
71 
 * $Log: error.c,v $
72 
 * Revision 1.1.1.1  1998/01/17  15:57:17  release
73 
 * First version to be checked into rolling release.
74 
 *
75 
 * Revision 1.2  1994/12/12  11:44:41  smf
76 
 * Performing changes for 'CR94_178.sid+tld-update' - bringing in line with
77 
 * OSSG C Coding Standards.
78 
 *
79 
 * Revision 1.1.1.1  1994/07/25  16:05:51  smf
80 
 * Initial import of library shared files.
81 
 *
82 
**/
83 
 
84 
/****************************************************************************/
85 
 
86 
#include "error.h"
87 
#include "syntax.h"
88 
 
89 
/*--------------------------------------------------------------------------*/
90 
 
7 7u83 91 
#define TAG_TABLE_SIZE		(127)
92 
#define ERROR_TABLE_SIZE	(127)
93 
#define STRING_TABLE_SIZE	(127)
2 7u83 94 
 
95 
/*--------------------------------------------------------------------------*/
96 
 
7 7u83 97 
static ETagP		tag_table[TAG_TABLE_SIZE];
98 
static ErrorP		error_table[ERROR_TABLE_SIZE];
99 
static EStringP		string_table[STRING_TABLE_SIZE];
100 
static CStringP		program_name         = NIL(CStringP);
101 
static ErrorInitProcP	init_proc	     = NIL(ErrorInitProcP);
102 
static ETagP		etag_program	     = NIL(ETagP);
103 
static ETagP		etag_severity	     = NIL(ETagP);
104 
static ETagP		etag_error_name      = NIL(ETagP);
105 
static ETagP		etag_dollar	     = NIL(ETagP);
106 
static ETagP		etag_ocb	     = NIL(ETagP);
107 
static ETagP		etag_ccb	     = NIL(ETagP);
108 
static ErrorListP	error_prefix	     = NIL(ErrorListP);
2 7u83 109 
static ESeverityT	min_severity	     = ERROR_SEVERITY_ERROR;
110 
static ESeverityT	max_reported	     = ERROR_SEVERITY_INFORMATION;
7 7u83 111 
static EStringDataT	severity_data[]    = {
2 7u83 112 
    UB {"error severity information",	"Info"} UE,
113 
    UB {"error severity warning",	"Warning"} UE,
114 
    UB {"error severity error",		"Error"} UE,
115 
    UB {"error severity fatal",		"Fatal"} UE,
116 
    UB {"error severity internal",	"Internal"} UE,
117 
    ERROR_END_STRING_LIST
118 
};
119 
 
120 
/*--------------------------------------------------------------------------*/
121 
 
122 
static void
7 7u83 123 
error_deallocate_error_list(ErrorListP error_list)
2 7u83 124 
{
125 
    while (error_list) {
126 
	ErrorListP tmp = error_list;
127 
 
128 
	if (error_list->tag == ERROR_TAG_STRING) {
7 7u83 129 
	    nstring_destroy(& (error_list->u.string));
2 7u83 130 
	}
131 
	error_list = error_list->next;
7 7u83 132 
	DEALLOCATE(tmp);
2 7u83 133 
    }
134 
}
135 
 
136 
static ErrorListP
7 7u83 137 
error_parse_message(CStringP message)
2 7u83 138 
{
139 
    ErrorListP  error_list;
140 
    ErrorListP *error_list_next = &error_list;
7 7u83 141 
    CStringP    message_copy    = cstring_duplicate(message);
2 7u83 142 
    CStringP    scan            = message = message_copy;
143 
 
144 
    while (*scan) {
7 7u83 145 
	if ((*scan++ == '$') && (*scan == '{')) {
2 7u83 146 
	    if (scan > (message + 1)) {
7 7u83 147 
		ErrorListP tmp = ALLOCATE(ErrorListT);
2 7u83 148 
 
149 
		tmp->tag  = ERROR_TAG_STRING;
7 7u83 150 
		scan[-1] = '\0';
151 
		nstring_copy_cstring(& (tmp->u.string), message);
2 7u83 152 
		*error_list_next = tmp;
7 7u83 153 
		error_list_next  = & (tmp->next);
2 7u83 154 
	    }
7 7u83 155 
	    scan++;
2 7u83 156 
	    message = scan;
157 
	    while (*scan != '}') {
158 
		if ((*scan == '\0') || (*scan == '$') || (*scan == '{') ||
7 7u83 159 
		   ((!syntax_is_printable(*scan)) && (*scan != ' '))) {
160 
		    *error_list_next = NIL(ErrorListP);
161 
		    error_deallocate_error_list(error_list);
162 
		    return(NIL(ErrorListP));
2 7u83 163 
		}
7 7u83 164 
		scan++;
2 7u83 165 
	    }
7 7u83 166 
	    if (scan++ > message) {
167 
		ErrorListP tmp = ALLOCATE(ErrorListT);
2 7u83 168 
		CStringP   tag;
169 
 
170 
		tmp->tag   = ERROR_TAG_TAG;
7 7u83 171 
		scan[-1] = '\0';
172 
		tag        = cstring_duplicate(message);
173 
		tmp->u.tag = error_define_tag(tag);
2 7u83 174 
		if (tmp->u.tag->name != tag) {
7 7u83 175 
		    DEALLOCATE(tag);
2 7u83 176 
		}
177 
		*error_list_next = tmp;
7 7u83 178 
		error_list_next  = & (tmp->next);
2 7u83 179 
	    }
180 
	    message = scan;
181 
	}
182 
    }
183 
    if (scan > message) {
7 7u83 184 
	ErrorListP tmp = ALLOCATE(ErrorListT);
2 7u83 185 
 
186 
	tmp->tag = ERROR_TAG_STRING;
7 7u83 187 
	nstring_copy_cstring(& (tmp->u.string), message);
2 7u83 188 
	*error_list_next = tmp;
7 7u83 189 
	error_list_next  = & (tmp->next);
2 7u83 190 
    }
7 7u83 191 
    *error_list_next = NIL(ErrorListP);
192 
    DEALLOCATE(message_copy);
193 
    return(error_list);
2 7u83 194 
}
195 
 
196 
static void
7 7u83 197 
write_error_list(OStreamP   ostream,			  ErrorListP error_list,
198 
			  ErrorP     error,
199 
			  ErrorProcP proc,
2 7u83 200 
			  GenericP   closure)
201 
{
202 
    while (error_list) {
7 7u83 203 
	switch (error_list->tag)EXHAUSTIVE {
2 7u83 204 
	  case ERROR_TAG_STRING:
7 7u83 205 
	    write_nstring(ostream, & (error_list->u.string));
2 7u83 206 
	    break;
207 
	  case ERROR_TAG_TAG:
208 
	    if (error_list->u.tag == etag_program) {
7 7u83 209 
		write_cstring(ostream, program_name);
2 7u83 210 
	    } else if (error_list->u.tag == etag_severity) {
211 
		EStringP estring =
7 7u83 212 
		    severity_data[(error->severity)].estring;
2 7u83 213 
 
7 7u83 214 
		write_cstring(ostream, error_string_contents(estring));
2 7u83 215 
	    } else if (error_list->u.tag == etag_error_name) {
7 7u83 216 
		write_cstring(ostream, error->name);
2 7u83 217 
	    } else if (error_list->u.tag == etag_dollar) {
7 7u83 218 
		write_char(ostream, '$');
2 7u83 219 
	    } else if (error_list->u.tag == etag_ocb) {
7 7u83 220 
		write_char(ostream, '{');
2 7u83 221 
	    } else if (error_list->u.tag == etag_ccb) {
7 7u83 222 
		write_char(ostream, '}');
2 7u83 223 
	    } else if (proc) {
7 7u83 224 
		((*proc)(ostream, error_list->u.tag, closure));
2 7u83 225 
	    }
226 
	    break;
227 
	}
228 
	error_list = error_list->next;
229 
    }
230 
}
231 
 
232 
static void
7 7u83 233 
write_error_list_text(OStreamP   ostream,			       ErrorListP error_list)
2 7u83 234 
{
235 
    NStringP nstring;
236 
    CStringP contents;
237 
    unsigned length;
238 
 
7 7u83 239 
    write_char(ostream, '"');
2 7u83 240 
    while (error_list) {
7 7u83 241 
	switch (error_list->tag)EXHAUSTIVE {
2 7u83 242 
	  case ERROR_TAG_STRING:
7 7u83 243 
	    nstring  = & (error_list->u.string);
244 
	    contents = nstring_contents(nstring);
245 
	    length   = nstring_length(nstring);
2 7u83 246 
 
7 7u83 247 
	    while (length--) {
2 7u83 248 
		switch (*contents) {
249 
		  case '\n':
7 7u83 250 
		    write_cstring(ostream, "\\n\\");
251 
		    write_newline(ostream);
2 7u83 252 
		    break;
253 
		  case '"':
7 7u83 254 
		    write_cstring(ostream, "\\\"");
2 7u83 255 
		    break;
256 
		  default:
7 7u83 257 
		    ASSERT(*contents != '\0');
258 
		    write_char(ostream, *contents);
2 7u83 259 
		    break;
260 
		}
7 7u83 261 
		contents++;
2 7u83 262 
	    }
263 
	    break;
264 
	  case ERROR_TAG_TAG:
7 7u83 265 
	    write_cstring(ostream, "${");
266 
	    write_cstring(ostream, error_list->u.tag->name);
267 
	    write_char(ostream, '}');
2 7u83 268 
	    break;
269 
	}
270 
	error_list = error_list->next;
271 
    }
7 7u83 272 
    write_char(ostream, '"');
2 7u83 273 
}
274 
 
275 
static void
7 7u83 276 
write_error_table(OStreamP ostream)
2 7u83 277 
{
278 
    unsigned i;
279 
 
7 7u83 280 
    for (i = 0; i < ERROR_TABLE_SIZE; i++) {
281 
	ErrorP error = error_table[i];
2 7u83 282 
 
283 
	while (error) {
7 7u83 284 
	    write_char(ostream, '\'');
285 
	    write_cstring(ostream, error->name);
286 
	    write_char(ostream, '\'');
287 
	    write_newline(ostream);
288 
	    write_cstring(ostream, "    ");
289 
	    write_error_list_text(ostream, error->error_list);
290 
	    write_newline(ostream);
2 7u83 291 
	    error = error->next;
292 
	}
293 
    }
294 
}
295 
 
296 
static void
7 7u83 297 
write_string_table(OStreamP ostream)
2 7u83 298 
{
299 
    unsigned i;
300 
 
7 7u83 301 
    for (i = 0; i < STRING_TABLE_SIZE; i++) {
302 
	EStringP string = string_table[i];
2 7u83 303 
 
304 
	while (string) {
305 
	    CStringP contents = string->contents;
306 
 
7 7u83 307 
	    write_char(ostream, '\'');
308 
	    write_cstring(ostream, string->name);
309 
	    write_char(ostream, '\'');
310 
	    write_newline(ostream);
311 
	    write_cstring(ostream, "    ");
312 
	    write_char(ostream, '"');
2 7u83 313 
	    while (*contents) {
314 
		switch (*contents) {
315 
		  case '\n':
7 7u83 316 
		    write_cstring(ostream, "\\n\\");
317 
		    write_newline(ostream);
2 7u83 318 
		    break;
319 
		  case '"':
7 7u83 320 
		    write_cstring(ostream, "\\\"");
2 7u83 321 
		    break;
322 
		  default:
7 7u83 323 
		    write_char(ostream, *contents);
2 7u83 324 
		    break;
325 
		}
7 7u83 326 
		contents++;
2 7u83 327 
	    }
7 7u83 328 
	    write_char(ostream, '"');
329 
	    write_newline(ostream);
2 7u83 330 
	    string = string->next;
331 
	}
332 
    }
333 
}
334 
 
335 
/*--------------------------------------------------------------------------*/
336 
 
337 
void
7 7u83 338 
error_init(CStringP       name,		    ErrorInitProcP proc)
2 7u83 339 
{
340 
    static CStringP prefix = "${program name}: ${severity}: ";
341 
 
342 
    program_name = name;
343 
    while (*name) {
7 7u83 344 
	if (*name++ == '/') {
2 7u83 345 
	    program_name = name;
346 
	}
347 
    }
348 
    init_proc       = proc;
7 7u83 349 
    etag_program    = error_define_tag("program name");
350 
    etag_severity   = error_define_tag("severity");
351 
    etag_error_name = error_define_tag("this error name");
352 
    etag_dollar     = error_define_tag("dollar");
353 
    etag_ocb        = error_define_tag("open brace");
354 
    etag_ccb        = error_define_tag("close brace");
355 
    error_prefix    = error_parse_message(prefix);
356 
    error_intern_strings(severity_data);
357 
    ostream_buffer(ostream_error);
2 7u83 358 
}
359 
 
360 
void
7 7u83 361 
error_call_init_proc(void)
2 7u83 362 
{
363 
    if (init_proc) {
7 7u83 364 
	(*init_proc)();
365 
	init_proc = NIL(ErrorInitProcP);
2 7u83 366 
    }
367 
}
368 
 
369 
ETagP
7 7u83 370 
error_define_tag(CStringP name)
2 7u83 371 
{
7 7u83 372 
    unsigned hash   = (cstring_hash_value(name)% TAG_TABLE_SIZE);
373 
    ETagP   *entryp = & (tag_table[hash]);
2 7u83 374 
    ETagP    entry;
375 
 
7 7u83 376 
    while ((entry = *entryp) != NIL(ETagP)) {
377 
	if (cstring_equal(entry->name, name)) {
378 
	    return(entry);
2 7u83 379 
	}
7 7u83 380 
	entryp = & (entry->next);
2 7u83 381 
    }
7 7u83 382 
    entry       = ALLOCATE(ETagT);
383 
    entry->next = NIL(ETagP);
2 7u83 384 
    entry->name = name;
385 
    *entryp     = entry;
7 7u83 386 
    return(entry);
2 7u83 387 
}
388 
 
389 
ErrorP
7 7u83 390 
error_define_error(CStringP   name,			    ESeverityT severity,
391 
			    CStringP   message,
2 7u83 392 
			    GenericP   data)
393 
{
7 7u83 394 
    ErrorListP error_list = error_parse_message(message);
395 
    unsigned   hash       = (cstring_hash_value(name)% ERROR_TABLE_SIZE);
396 
    ErrorP    *entryp     = & (error_table[hash]);
2 7u83 397 
    ErrorP     entry;
398 
 
7 7u83 399 
    while ((entry = *entryp) != NIL(ErrorP)) {
400 
	ASSERT(!cstring_equal(entry->name, name));
401 
	entryp = & (entry->next);
2 7u83 402 
    }
7 7u83 403 
    ASSERT(error_list);
404 
    entry             = ALLOCATE(ErrorT);
405 
    entry->next       = NIL(ErrorP);
2 7u83 406 
    entry->name       = name;
407 
    entry->severity   = severity;
408 
    entry->error_list = error_list;
409 
    entry->data       = data;
410 
    *entryp           = entry;
7 7u83 411 
    return(entry);
2 7u83 412 
}
413 
 
414 
void
7 7u83 415 
error_intern_tags(ETagDataP vector)
2 7u83 416 
{
417 
    while (vector->name) {
7 7u83 418 
	ETagP tag = error_define_tag(vector->name);
2 7u83 419 
 
420 
	vector->tag = tag;
7 7u83 421 
	vector++;
2 7u83 422 
    }
423 
}
424 
 
425 
void
7 7u83 426 
error_intern_errors(ErrorDataP vector)
2 7u83 427 
{
428 
    while (vector->s.name) {
7 7u83 429 
	ErrorP error = error_define_error(vector->s.name, vector->s.severity,
2 7u83 430 
					   vector->s.message, vector->s.data);
431 
 
432 
	vector->error = error;
7 7u83 433 
	vector++;
2 7u83 434 
    }
435 
}
436 
 
437 
ErrorStatusT
7 7u83 438 
error_redefine_error(CStringP name,			      CStringP message)
2 7u83 439 
{
7 7u83 440 
    error_call_init_proc();
2 7u83 441 
    {
7 7u83 442 
	unsigned hash  = (cstring_hash_value(name)% ERROR_TABLE_SIZE);
443 
	ErrorP   entry = (error_table[hash]);
2 7u83 444 
 
445 
	while (entry) {
7 7u83 446 
	    if (cstring_equal(entry->name, name)) {
447 
		ErrorListP error_list = error_parse_message(message);
2 7u83 448 
 
7 7u83 449 
		if (error_list == NIL(ErrorListP)) {
450 
		    return(ERROR_STATUS_BAD_MESSAGE);
2 7u83 451 
		}
7 7u83 452 
		error_deallocate_error_list(entry->error_list);
2 7u83 453 
		entry->error_list = error_list;
7 7u83 454 
		return(ERROR_STATUS_SUCCESS);
2 7u83 455 
	    }
456 
	    entry = entry->next;
457 
	}
7 7u83 458 
	return(ERROR_STATUS_BAD_ERROR);
2 7u83 459 
    }
460 
}
461 
 
462 
ErrorP
7 7u83 463 
error_lookup_error(CStringP name)
2 7u83 464 
{
7 7u83 465 
    error_call_init_proc();
2 7u83 466 
    {
7 7u83 467 
	unsigned hash  = (cstring_hash_value(name)% ERROR_TABLE_SIZE);
468 
	ErrorP   entry = (error_table[hash]);
2 7u83 469 
 
470 
	while (entry) {
7 7u83 471 
	    if (cstring_equal(entry->name, name)) {
472 
		return(entry);
2 7u83 473 
	    }
474 
	    entry = entry->next;
475 
	}
7 7u83 476 
	return(NIL(ErrorP));
2 7u83 477 
    }
478 
}
479 
 
480 
GenericP
7 7u83 481 
error_data(ErrorP error)
2 7u83 482 
{
7 7u83 483 
    return(error->data);
2 7u83 484 
}
485 
 
486 
void
7 7u83 487 
error_report(ErrorP     error,		      ErrorProcP proc,
2 7u83 488 
		      GenericP   closure)
489 
{
490 
    if ((error->severity) >= min_severity) {
7 7u83 491 
	write_error_list(ostream_error, error_prefix, error, NIL(ErrorProcP),
492 
			  NIL(GenericP));
493 
	write_error_list(ostream_error, error->error_list, error, proc,
2 7u83 494 
			  closure);
7 7u83 495 
	write_newline(ostream_error);
496 
	ostream_flush(ostream_error);
2 7u83 497 
    }
498 
    if ((error->severity) > max_reported) {
499 
	max_reported = error->severity;
500 
    }
501 
    if ((error->severity) >= ERROR_SEVERITY_FATAL) {
502 
	if (error->severity == ERROR_SEVERITY_INTERNAL) {
7 7u83 503 
	    abort();
2 7u83 504 
	    UNREACHED;
505 
	}
7 7u83 506 
	exit(EXIT_FAILURE);
2 7u83 507 
	UNREACHED;
508 
    }
509 
}
510 
 
511 
void
7 7u83 512 
error_set_min_report_severity(ESeverityT severity)
2 7u83 513 
{
514 
    min_severity = severity;
515 
}
516 
 
517 
ESeverityT
7 7u83 518 
error_get_min_report_severity(void)
2 7u83 519 
{
7 7u83 520 
    return(min_severity);
2 7u83 521 
}
522 
 
523 
ESeverityT
7 7u83 524 
error_max_reported_severity(void)
2 7u83 525 
{
7 7u83 526 
    return(max_reported);
2 7u83 527 
}
528 
 
529 
void
7 7u83 530 
error_set_severity_message(ESeverityT severity,				    CStringP   message)
2 7u83 531 
{
7 7u83 532 
    severity_data[severity].estring->contents = message;
2 7u83 533 
}
534 
 
535 
BoolT
7 7u83 536 
error_set_prefix_message(CStringP message)
2 7u83 537 
{
7 7u83 538 
    ErrorListP error_list = error_parse_message(message);
2 7u83 539 
 
7 7u83 540 
    if (error_list == NIL(ErrorListP)) {
541 
	return(FALSE);
2 7u83 542 
    }
7 7u83 543 
    error_deallocate_error_list(error_prefix);
2 7u83 544 
    error_prefix = error_list;
7 7u83 545 
    return(TRUE);
2 7u83 546 
}
547 
 
548 
EStringP
7 7u83 549 
error_define_string(CStringP name,			     CStringP contents)
2 7u83 550 
{
7 7u83 551 
    unsigned  hash   = (cstring_hash_value(name)% STRING_TABLE_SIZE);
552 
    EStringP *entryp = & (string_table[hash]);
2 7u83 553 
    EStringP  entry;
554 
 
7 7u83 555 
    while ((entry = *entryp) != NIL(EStringP)) {
556 
	ASSERT(!cstring_equal(entry->name, name));
557 
	entryp = & (entry->next);
2 7u83 558 
    }
7 7u83 559 
    entry           = ALLOCATE(EStringT);
560 
    entry->next     = NIL(EStringP);
2 7u83 561 
    entry->name     = name;
562 
    entry->contents = contents;
563 
    *entryp         = entry;
7 7u83 564 
    return(entry);
2 7u83 565 
}
566 
 
567 
void
7 7u83 568 
error_intern_strings(EStringDataP vector)
2 7u83 569 
{
570 
    while (vector->s.name) {
7 7u83 571 
	EStringP estring = error_define_string(vector->s.name,
2 7u83 572 
						vector->s.contents);
573 
 
574 
	vector->estring = estring;
7 7u83 575 
	vector++;
2 7u83 576 
    }
577 
}
578 
 
579 
BoolT
7 7u83 580 
error_redefine_string(CStringP name,			       CStringP contents)
2 7u83 581 
{
7 7u83 582 
    unsigned hash  = (cstring_hash_value(name)% STRING_TABLE_SIZE);
583 
    EStringP entry = (string_table[hash]);
2 7u83 584 
 
585 
    while (entry) {
7 7u83 586 
	if (cstring_equal(entry->name, name)) {
2 7u83 587 
	    entry->contents = contents;
7 7u83 588 
	    return(TRUE);
2 7u83 589 
	}
590 
	entry = entry->next;
591 
    }
7 7u83 592 
    return(FALSE);
2 7u83 593 
}
594 
 
595 
EStringP
7 7u83 596 
error_lookup_string(CStringP name)
2 7u83 597 
{
7 7u83 598 
    unsigned hash  = (cstring_hash_value(name)% STRING_TABLE_SIZE);
599 
    EStringP entry = (string_table[hash]);
2 7u83 600 
 
601 
    while (entry) {
7 7u83 602 
	if (cstring_equal(entry->name, name)) {
603 
	    return(entry);
2 7u83 604 
	}
605 
	entry = entry->next;
606 
    }
7 7u83 607 
    return(NIL(EStringP));
2 7u83 608 
}
609 
 
610 
CStringP
7 7u83 611 
error_string_contents(EStringP estring)
2 7u83 612 
{
7 7u83 613 
    return(estring->contents);
2 7u83 614 
}
615 
 
616 
void
7 7u83 617 
write_error_file(OStreamP ostream)
2 7u83 618 
{
7 7u83 619 
    error_call_init_proc();
620 
    write_cstring(ostream, "%prefix%");
621 
    write_newline(ostream);
622 
    write_cstring(ostream, "    ");
623 
    write_error_list_text(ostream, error_prefix);
624 
    write_newline(ostream);
625 
    write_newline(ostream);
626 
    write_cstring(ostream, "%errors%");
627 
    write_newline(ostream);
628 
    write_error_table(ostream);
629 
    write_newline(ostream);
630 
    write_cstring(ostream, "%strings%");
631 
    write_newline(ostream);
632 
    write_string_table(ostream);
2 7u83 633 
}
634 
 
635 
/*
636 
 * Local variables(smf):
637 
 * eval: (include::add-path-entry "../os-interface" "../generated")
638 
 * end:
639 
**/