Change #include filenames from <foo.h> to <openssl.h>.
[openssl.git] / crypto / err / err.c
1 /* crypto/err/err.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58
59 #include <stdio.h>
60 #include <openssl/lhash.h>
61 #include <openssl/crypto.h>
62 #include "cryptlib.h"
63 #include <openssl/buffer.h>
64 #include <openssl/err.h>
65 #include <openssl/crypto.h>
66
67
68 static LHASH *error_hash=NULL;
69 static LHASH *thread_hash=NULL;
70
71 #ifndef NOPROTO
72 static unsigned long err_hash(ERR_STRING_DATA *a);
73 static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b);
74 static unsigned long pid_hash(ERR_STATE *pid);
75 static int pid_cmp(ERR_STATE *a,ERR_STATE *pid);
76 static unsigned long get_error_values(int inc,const char **file,int *line,
77                                       const char **data,int *flags);
78 static void ERR_STATE_free(ERR_STATE *s);
79 #else
80 static unsigned long err_hash();
81 static int err_cmp();
82 static unsigned long pid_hash();
83 static int pid_cmp();
84 static unsigned long get_error_values();
85 static void ERR_STATE_free();
86 ERR_STATE *s;
87 #endif
88
89 #ifndef NO_ERR
90 static ERR_STRING_DATA ERR_str_libraries[]=
91         {
92 {ERR_PACK(ERR_LIB_NONE,0,0)             ,"unknown library"},
93 {ERR_PACK(ERR_LIB_SYS,0,0)              ,"system library"},
94 {ERR_PACK(ERR_LIB_BN,0,0)               ,"bignum routines"},
95 {ERR_PACK(ERR_LIB_RSA,0,0)              ,"rsa routines"},
96 {ERR_PACK(ERR_LIB_DH,0,0)               ,"Diffie-Hellman routines"},
97 {ERR_PACK(ERR_LIB_EVP,0,0)              ,"digital envelope routines"},
98 {ERR_PACK(ERR_LIB_BUF,0,0)              ,"memory buffer routines"},
99 {ERR_PACK(ERR_LIB_BIO,0,0)              ,"BIO routines"},
100 {ERR_PACK(ERR_LIB_OBJ,0,0)              ,"object identifier routines"},
101 {ERR_PACK(ERR_LIB_PEM,0,0)              ,"PEM routines"},
102 {ERR_PACK(ERR_LIB_ASN1,0,0)             ,"asn1 encoding routines"},
103 {ERR_PACK(ERR_LIB_X509,0,0)             ,"x509 certificate routines"},
104 {ERR_PACK(ERR_LIB_CONF,0,0)             ,"configuation file routines"},
105 {ERR_PACK(ERR_LIB_METH,0,0)             ,"X509 lookup 'method' routines"},
106 {ERR_PACK(ERR_LIB_SSL,0,0)              ,"SSL routines"},
107 {ERR_PACK(ERR_LIB_RSAREF,0,0)           ,"RSAref routines"},
108 {ERR_PACK(ERR_LIB_PROXY,0,0)            ,"Proxy routines"},
109 {ERR_PACK(ERR_LIB_BIO,0,0)              ,"BIO routines"},
110 {ERR_PACK(ERR_LIB_PKCS7,0,0)            ,"PKCS7 routines"},
111 {ERR_PACK(ERR_LIB_X509V3,0,0)           ,"X509 V3 routines"},
112 {ERR_PACK(ERR_LIB_PKCS12,0,0)           ,"PKCS12 routines"},
113 {0,NULL},
114         };
115
116 static ERR_STRING_DATA ERR_str_functs[]=
117         {
118         {ERR_PACK(0,SYS_F_FOPEN,0),             "fopen"},
119         {ERR_PACK(0,SYS_F_CONNECT,0),           "connect"},
120         {ERR_PACK(0,SYS_F_GETSERVBYNAME,0),     "getservbyname"},
121         {ERR_PACK(0,SYS_F_SOCKET,0),            "socket"}, 
122         {ERR_PACK(0,SYS_F_IOCTLSOCKET,0),       "ioctlsocket"},
123         {ERR_PACK(0,SYS_F_BIND,0),              "bind"},
124         {ERR_PACK(0,SYS_F_LISTEN,0),            "listen"},
125         {ERR_PACK(0,SYS_F_ACCEPT,0),            "accept"},
126 #ifdef WINDOWS
127         {ERR_PACK(0,SYS_F_WSASTARTUP,0),        "WSAstartup"},
128 #endif
129         {0,NULL},
130         };
131
132 static ERR_STRING_DATA ERR_str_reasons[]=
133         {
134 {ERR_R_FATAL                             ,"fatal"},
135 {ERR_R_SYS_LIB                          ,"system lib"},
136 {ERR_R_BN_LIB                           ,"BN lib"},
137 {ERR_R_RSA_LIB                          ,"RSA lib"},
138 {ERR_R_DH_LIB                           ,"DH lib"},
139 {ERR_R_EVP_LIB                          ,"EVP lib"},
140 {ERR_R_BUF_LIB                          ,"BUF lib"},
141 {ERR_R_BIO_LIB                          ,"BIO lib"},
142 {ERR_R_OBJ_LIB                          ,"OBJ lib"},
143 {ERR_R_PEM_LIB                          ,"PEM lib"},
144 {ERR_R_X509_LIB                         ,"X509 lib"},
145 {ERR_R_METH_LIB                         ,"METH lib"},
146 {ERR_R_ASN1_LIB                         ,"ASN1 lib"},
147 {ERR_R_CONF_LIB                         ,"CONF lib"},
148 {ERR_R_SSL_LIB                          ,"SSL lib"},
149 {ERR_R_PROXY_LIB                        ,"PROXY lib"},
150 {ERR_R_BIO_LIB                          ,"BIO lib"},
151 {ERR_R_PKCS7_LIB                        ,"PKCS7 lib"},
152 {ERR_R_PKCS12_LIB                       ,"PKCS12 lib"},
153 {ERR_R_MALLOC_FAILURE                   ,"Malloc failure"},
154 {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED      ,"called a fuction you should not call"},
155 {ERR_R_PASSED_NULL_PARAMETER            ,"passed a null parameter"},
156 {ERR_R_NESTED_ASN1_ERROR                ,"nested asn1 error"},
157 {ERR_R_BAD_ASN1_OBJECT_HEADER           ,"bad asn1 object header"},
158 {ERR_R_BAD_GET_ASN1_OBJECT_CALL         ,"bad get asn1 object call"},
159 {ERR_R_EXPECTING_AN_ASN1_SEQUENCE       ,"expecting an asn1 sequence"},
160 {ERR_R_ASN1_LENGTH_MISMATCH             ,"asn1 length mismatch"},
161 {ERR_R_MISSING_ASN1_EOS                 ,"missing asn1 eos"},
162
163 {0,NULL},
164         };
165 #endif
166
167 #define err_clear_data(p,i) \
168         if (((p)->err_data[i] != NULL) && \
169                 (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
170                 {  \
171                 Free((p)->err_data[i]); \
172                 (p)->err_data[i]=NULL; \
173                 } \
174         (p)->err_data_flags[i]=0;
175
176 static void ERR_STATE_free(ERR_STATE *s)
177         {
178         int i;
179
180         if(s == NULL)
181             return;
182
183         for (i=0; i<ERR_NUM_ERRORS; i++)
184                 {
185                 err_clear_data(s,i);
186                 }
187         Free(s);
188         }
189
190 void ERR_load_ERR_strings(void)
191         {
192         static int init=1;
193
194         if (init)
195                 {
196                 CRYPTO_w_lock(CRYPTO_LOCK_ERR);
197                 if (init == 0)
198                         {
199                         CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
200                         return;
201                         }
202                 init=0;
203                 CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
204
205 #ifndef NO_ERR
206                 ERR_load_strings(0,ERR_str_libraries);
207                 ERR_load_strings(0,ERR_str_reasons);
208                 ERR_load_strings(ERR_LIB_SYS,ERR_str_functs);
209 #endif
210                 }
211         }
212
213 void ERR_load_strings(int lib, ERR_STRING_DATA *str)
214         {
215         if (error_hash == NULL)
216                 {
217                 CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
218                 error_hash=lh_new(err_hash,err_cmp);
219                 if (error_hash == NULL)
220                         {
221                         CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
222                         return;
223                         }
224                 CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
225
226                 ERR_load_ERR_strings();
227                 }
228
229         CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
230         while (str->error)
231                 {
232                 str->error|=ERR_PACK(lib,0,0);
233                 lh_insert(error_hash,(char *)str);
234                 str++;
235                 }
236         CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
237         }
238
239 void ERR_free_strings(void)
240         {
241         CRYPTO_w_lock(CRYPTO_LOCK_ERR);
242
243         if (error_hash != NULL)
244                 {
245                 lh_free(error_hash);
246                 error_hash=NULL;
247                 }
248
249         CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
250         }
251
252 /********************************************************/
253
254 void ERR_put_error(int lib, int func, int reason, const char *file,
255              int line)
256         {
257         ERR_STATE *es;
258
259         es=ERR_get_state();
260
261         es->top=(es->top+1)%ERR_NUM_ERRORS;
262         if (es->top == es->bottom)
263                 es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;
264         es->err_buffer[es->top]=ERR_PACK(lib,func,reason);
265         es->err_file[es->top]=file;
266         es->err_line[es->top]=line;
267         err_clear_data(es,es->top);
268         }
269
270 void ERR_clear_error(void)
271         {
272         ERR_STATE *es;
273
274         es=ERR_get_state();
275
276 #if 0
277         /* hmm... is this needed */
278         for (i=0; i<ERR_NUM_ERRORS; i++)
279                 {
280                 es->err_buffer[i]=0;
281                 es->err_file[i]=NULL;
282                 es->err_line[i]= -1;
283                 err_clear_data(es,i);
284                 }
285 #endif
286         es->top=es->bottom=0;
287         }
288
289
290 unsigned long ERR_get_error(void)
291         { return(get_error_values(1,NULL,NULL,NULL,NULL)); }
292
293 unsigned long ERR_get_error_line(const char **file,
294              int *line)
295         { return(get_error_values(1,file,line,NULL,NULL)); }
296
297 unsigned long ERR_get_error_line_data(const char **file, int *line,
298              const char **data, int *flags)
299         { return(get_error_values(1,file,line,
300              data,flags)); }
301
302 unsigned long ERR_peek_error(void)
303         { return(get_error_values(0,NULL,NULL,NULL,NULL)); }
304
305 unsigned long ERR_peek_error_line(const char **file,
306              int *line)
307         { return(get_error_values(0,file,line,NULL,NULL)); }
308
309 unsigned long ERR_peek_error_line_data(const char **file, int *line,
310              const char **data, int *flags)
311         { return(get_error_values(0,file,line,
312              data,flags)); }
313
314 static unsigned long get_error_values(int inc, const char **file, int *line,
315              const char **data, int *flags)
316         {       
317         int i=0;
318         ERR_STATE *es;
319         unsigned long ret;
320
321         es=ERR_get_state();
322
323         if (es->bottom == es->top) return(0);
324         i=(es->bottom+1)%ERR_NUM_ERRORS;
325
326         ret=es->err_buffer[i];
327         if (inc)
328                 {
329                 es->bottom=i;
330                 es->err_buffer[i]=0;
331                 }
332
333         if ((file != NULL) && (line != NULL))
334                 {
335                 if (es->err_file[i] == NULL)
336                         {
337                         *file="NA";
338                         if (line != NULL) *line=0;
339                         }
340                 else
341                         {
342                         *file=es->err_file[i];
343                         if (line != NULL) *line=es->err_line[i];
344                         }
345                 }
346
347         if (data != NULL)
348                 {
349                 if (es->err_data[i] == NULL)
350                         {
351                         *data="";
352                         if (flags != NULL) *flags=0;
353                         }
354                 else
355                         {
356                         *data=es->err_data[i];
357                         if (flags != NULL) *flags=es->err_data_flags[i];
358                         }
359                 }
360         return(ret);
361         }
362
363 /* BAD for multi-threaded, uses a local buffer if ret == NULL */
364 char *ERR_error_string(unsigned long e, char *ret)
365         {
366         static char buf[256];
367         const char *ls,*fs,*rs;
368         unsigned long l,f,r;
369         int i;
370
371         l=ERR_GET_LIB(e);
372         f=ERR_GET_FUNC(e);
373         r=ERR_GET_REASON(e);
374
375         ls=ERR_lib_error_string(e);
376         fs=ERR_func_error_string(e);
377         rs=ERR_reason_error_string(e);
378
379         if (ret == NULL) ret=buf;
380
381         sprintf(&(ret[0]),"error:%08lX:",e);
382         i=strlen(ret);
383         if (ls == NULL)
384                 sprintf(&(ret[i]),":lib(%lu) ",l);
385         else    sprintf(&(ret[i]),"%s",ls);
386         i=strlen(ret);
387         if (fs == NULL)
388                 sprintf(&(ret[i]),":func(%lu) ",f);
389         else    sprintf(&(ret[i]),":%s",fs);
390         i=strlen(ret);
391         if (rs == NULL)
392                 sprintf(&(ret[i]),":reason(%lu)",r);
393         else    sprintf(&(ret[i]),":%s",rs);
394
395         return(ret);
396         }
397
398 LHASH *ERR_get_string_table(void)
399         {
400         return(error_hash);
401         }
402
403 LHASH *ERR_get_err_state_table(void)
404         {
405         return(thread_hash);
406         }
407
408 const char *ERR_lib_error_string(unsigned long e)
409         {
410         ERR_STRING_DATA d,*p=NULL;
411         unsigned long l;
412
413         l=ERR_GET_LIB(e);
414
415         CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH);
416
417         if (error_hash != NULL)
418                 {
419                 d.error=ERR_PACK(l,0,0);
420                 p=(ERR_STRING_DATA *)lh_retrieve(error_hash,(char *)&d);
421                 }
422
423         CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH);
424
425         return((p == NULL)?NULL:p->string);
426         }
427
428 const char *ERR_func_error_string(unsigned long e)
429         {
430         ERR_STRING_DATA d,*p=NULL;
431         unsigned long l,f;
432
433         l=ERR_GET_LIB(e);
434         f=ERR_GET_FUNC(e);
435
436         CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH);
437
438         if (error_hash != NULL)
439                 {
440                 d.error=ERR_PACK(l,f,0);
441                 p=(ERR_STRING_DATA *)lh_retrieve(error_hash,(char *)&d);
442                 }
443
444         CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH);
445
446         return((p == NULL)?NULL:p->string);
447         }
448
449 const char *ERR_reason_error_string(unsigned long e)
450         {
451         ERR_STRING_DATA d,*p=NULL;
452         unsigned long l,r;
453
454         l=ERR_GET_LIB(e);
455         r=ERR_GET_REASON(e);
456
457         CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH);
458
459         if (error_hash != NULL)
460                 {
461                 d.error=ERR_PACK(l,0,r);
462                 p=(ERR_STRING_DATA *)lh_retrieve(error_hash,(char *)&d);
463                 if (p == NULL)
464                         {
465                         d.error=ERR_PACK(0,0,r);
466                         p=(ERR_STRING_DATA *)lh_retrieve(error_hash,
467                                 (char *)&d);
468                         }
469                 }
470
471         CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH);
472
473         return((p == NULL)?NULL:p->string);
474         }
475
476 static unsigned long err_hash(ERR_STRING_DATA *a)
477         {
478         unsigned long ret,l;
479
480         l=a->error;
481         ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l);
482         return(ret^ret%19*13);
483         }
484
485 static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b)
486         {
487         return((int)(a->error-b->error));
488         }
489
490 static unsigned long pid_hash(ERR_STATE *a)
491         {
492         return(a->pid*13);
493         }
494
495 static int pid_cmp(ERR_STATE *a, ERR_STATE *b)
496         {
497         return((int)((long)a->pid - (long)b->pid));
498         }
499
500 void ERR_remove_state(unsigned long pid)
501         {
502         ERR_STATE *p,tmp;
503
504         if (thread_hash == NULL)
505                 return;
506         if (pid == 0)
507                 pid=(unsigned long)CRYPTO_thread_id();
508         tmp.pid=pid;
509         CRYPTO_w_lock(CRYPTO_LOCK_ERR);
510         p=(ERR_STATE *)lh_delete(thread_hash,(char *)&tmp);
511         CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
512
513         if (p != NULL) ERR_STATE_free(p);
514         }
515
516 ERR_STATE *ERR_get_state(void)
517         {
518         static ERR_STATE fallback;
519         ERR_STATE *ret=NULL,tmp,*tmpp;
520         int i;
521         unsigned long pid;
522
523         pid=(unsigned long)CRYPTO_thread_id();
524
525         CRYPTO_r_lock(CRYPTO_LOCK_ERR);
526         if (thread_hash == NULL)
527                 {
528                 CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
529                 CRYPTO_w_lock(CRYPTO_LOCK_ERR);
530                 if (thread_hash == NULL)
531                         {
532                         MemCheck_off();
533                         thread_hash=lh_new(pid_hash,pid_cmp);
534                         MemCheck_on();
535                         CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
536                         if (thread_hash == NULL) return(&fallback);
537                         }
538                 else
539                         CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
540                 }
541         else
542                 {
543                 tmp.pid=pid;
544                 ret=(ERR_STATE *)lh_retrieve(thread_hash,(char *)&tmp);
545                 CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
546                 }
547
548         /* ret == the error state, if NULL, make a new one */
549         if (ret == NULL)
550                 {
551                 ret=(ERR_STATE *)Malloc(sizeof(ERR_STATE));
552                 if (ret == NULL) return(&fallback);
553                 ret->pid=pid;
554                 ret->top=0;
555                 ret->bottom=0;
556                 for (i=0; i<ERR_NUM_ERRORS; i++)
557                         {
558                         ret->err_data[i]=NULL;
559                         ret->err_data_flags[i]=0;
560                         }
561                 CRYPTO_w_lock(CRYPTO_LOCK_ERR);
562                 tmpp=(ERR_STATE *)lh_insert(thread_hash,(char *)ret);
563                 CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
564                 if (tmpp != NULL) /* old entry - should not happen */
565                         {
566                         ERR_STATE_free(tmpp);
567                         }
568                 }
569         return(ret);
570         }
571
572 int ERR_get_next_error_library(void)
573         {
574         static int value=ERR_LIB_USER;
575
576         return(value++);
577         }
578
579 void ERR_set_error_data(char *data, int flags)
580         {
581         ERR_STATE *es;
582         int i;
583
584         es=ERR_get_state();
585
586         i=es->top;
587         if (i == 0)
588                 i=ERR_NUM_ERRORS-1;
589
590         es->err_data[i]=data;
591         es->err_data_flags[es->top]=flags;
592         }
593
594 void ERR_add_error_data( VAR_PLIST(int , num))
595 VAR_ALIST
596         {
597         VAR_BDEFN(args, int, num);
598         int i,n,s;
599         char *str,*p,*a;
600
601         s=64;
602         str=Malloc(s+1);
603         if (str == NULL) return;
604         str[0]='\0';
605
606         VAR_INIT(args,int,num);
607         n=0;
608         for (i=0; i<num; i++)
609                 {
610                 VAR_ARG(args,char *,a);
611                 /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
612                 if (a != NULL)
613                         {
614                         n+=strlen(a);
615                         if (n > s)
616                                 {
617                                 s=n+20;
618                                 p=Realloc(str,s+1);
619                                 if (p == NULL)
620                                         {
621                                         Free(str);
622                                         return;
623                                         }
624                                 else
625                                         str=p;
626                                 }
627                         strcat(str,a);
628                         }
629                 }
630         ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING);
631
632         VAR_END( args );
633         }
634