annotate src/libsndfile-1.0.25/regtest/database.c @ 0:c7265573341e

Import initial set of sources
author Chris Cannam
date Mon, 18 Mar 2013 14:12:14 +0000
parents
children
rev   line source
Chris@0 1 /*
Chris@0 2 ** Copyright (C) 2005-2011 Erik de Castro Lopo
Chris@0 3 **
Chris@0 4 ** This program is free software; you can redistribute it and/or modify
Chris@0 5 ** it under the terms of the GNU General Public License as published by
Chris@0 6 ** the Free Software Foundation; either version 2 of the License, or
Chris@0 7 ** (at your option) any later version.
Chris@0 8 **
Chris@0 9 ** This program is distributed in the hope that it will be useful,
Chris@0 10 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0 11 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@0 12 ** GNU General Public License for more details.
Chris@0 13 **
Chris@0 14 ** You should have received a copy of the GNU General Public License
Chris@0 15 ** along with this program; if not, write to the Free Software
Chris@0 16 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Chris@0 17 */
Chris@0 18
Chris@0 19 #include "config.h"
Chris@0 20
Chris@0 21 #include <stdio.h>
Chris@0 22 #include <stdlib.h>
Chris@0 23 #include <unistd.h>
Chris@0 24 #include <string.h>
Chris@0 25 #include <fcntl.h>
Chris@0 26 #include <sys/stat.h>
Chris@0 27
Chris@0 28 #include <sndfile.h>
Chris@0 29
Chris@0 30 #include "regtest.h"
Chris@0 31
Chris@0 32 #if HAVE_SQLITE3
Chris@0 33
Chris@0 34 #include <sqlite3.h>
Chris@0 35
Chris@0 36 typedef struct
Chris@0 37 { sqlite3 *sql ;
Chris@0 38
Chris@0 39 int count ;
Chris@0 40 int ekey_max ;
Chris@0 41
Chris@0 42 /* Filename and pathname for file. */
Chris@0 43 char filename [256] ;
Chris@0 44 char pathname [512] ;
Chris@0 45
Chris@0 46 /* Storage for createding SQL commands. Must be larger than logbuf below. */
Chris@0 47 char cmdbuf [1 << 15] ;
Chris@0 48
Chris@0 49 /* Storage for log buffer retrieved from SNDFILE* .*/
Chris@0 50 char logbuf [1 << 14] ;
Chris@0 51
Chris@0 52 } REGTEST_DB ;
Chris@0 53
Chris@0 54 /* In checksum.c */
Chris@0 55 int calc_checksum (SNDFILE * file, const SF_INFO * info) ;
Chris@0 56
Chris@0 57 static void get_filename_pathname (REGTEST_DB * db, const char *filepath) ;
Chris@0 58 static void single_quote_replace (char * buf) ;
Chris@0 59
Chris@0 60 static int get_ekey_from_filename (REGTEST_DB * db, const char *filepath) ;
Chris@0 61 static int get_filename_pathname_by_ekey (REGTEST_DB * db, int ekey) ;
Chris@0 62 static int check_file_by_ekey (REGTEST_DB * db, int ekey) ;
Chris@0 63
Chris@0 64 static int count_callback (REGTEST_DB * db, int argc, char **argv, char **colname) ;
Chris@0 65 static int ekey_max_callback (REGTEST_DB * db, int argc, char **argv, char **colname) ;
Chris@0 66 static int callback (void *unused, int argc, char **argv, char **colname) ;
Chris@0 67
Chris@0 68 REG_DB *
Chris@0 69 db_open (const char * db_name)
Chris@0 70 { REGTEST_DB * db ;
Chris@0 71 int err ;
Chris@0 72
Chris@0 73 if ((db = malloc (sizeof (REGTEST_DB))) == NULL)
Chris@0 74 { perror ("malloc") ;
Chris@0 75 exit (1) ;
Chris@0 76 } ;
Chris@0 77
Chris@0 78 if ((err = sqlite3_open (db_name, &(db->sql))) != 0)
Chris@0 79 { printf ("Can't open database: %s\n", sqlite3_errmsg (db->sql)) ;
Chris@0 80 sqlite3_close (db->sql) ;
Chris@0 81 free (db) ;
Chris@0 82 exit (1) ;
Chris@0 83 } ;
Chris@0 84
Chris@0 85 return (REG_DB *) db ;
Chris@0 86 } /* db_open */
Chris@0 87
Chris@0 88 int
Chris@0 89 db_create (const char * db_name)
Chris@0 90 { REGTEST_DB * db ;
Chris@0 91 const char *cmd ;
Chris@0 92 char * errmsg = NULL ;
Chris@0 93 int err ;
Chris@0 94
Chris@0 95 db = (REGTEST_DB *) db_open (db_name) ;
Chris@0 96
Chris@0 97 cmd = "create table sndfile (ekey INTEGER PRIMARY KEY,"
Chris@0 98 "fname VARCHAR(1),"
Chris@0 99 "fpath VARCHAR(1),"
Chris@0 100 "srate INTEGER,"
Chris@0 101 "frames VARCHAR(1),"
Chris@0 102 "channels INTEGER,"
Chris@0 103 "format VARCHAR(1),"
Chris@0 104 "checksum VARCHAR(1),"
Chris@0 105 "logbuf VARCHAR(1)"
Chris@0 106 ");" ;
Chris@0 107
Chris@0 108 err = sqlite3_exec (db->sql, cmd, callback, 0, &errmsg) ;
Chris@0 109 if (err != SQLITE_OK)
Chris@0 110 printf ("Line %d : SQL error: %s\n", __LINE__, errmsg) ;
Chris@0 111
Chris@0 112 sqlite3_close (db->sql) ;
Chris@0 113 free (db) ;
Chris@0 114
Chris@0 115 return 0 ;
Chris@0 116 } /* db_create */
Chris@0 117
Chris@0 118 int
Chris@0 119 db_close (REG_DB * db_handle)
Chris@0 120 { REGTEST_DB * db ;
Chris@0 121
Chris@0 122 db = (REGTEST_DB *) db_handle ;
Chris@0 123
Chris@0 124 sqlite3_close (db->sql) ;
Chris@0 125 free (db) ;
Chris@0 126
Chris@0 127 return 0 ;
Chris@0 128 } /* db_close */
Chris@0 129
Chris@0 130 /*==============================================================================
Chris@0 131 */
Chris@0 132
Chris@0 133 int
Chris@0 134 db_file_exists (REG_DB * db_handle, const char * filename)
Chris@0 135 { REGTEST_DB * db ;
Chris@0 136 const char * cptr ;
Chris@0 137 char * errmsg ;
Chris@0 138 int err ;
Chris@0 139
Chris@0 140 db = (REGTEST_DB *) db_handle ;
Chris@0 141
Chris@0 142 if ((cptr = strrchr (filename, '/')) != NULL)
Chris@0 143 filename = cptr + 1 ;
Chris@0 144
Chris@0 145 snprintf (db->cmdbuf, sizeof (db->cmdbuf), "select fname from sndfile where fname='%s'", filename) ;
Chris@0 146
Chris@0 147 db->count = 0 ;
Chris@0 148 err = sqlite3_exec (db->sql, db->cmdbuf, (sqlite3_callback) count_callback, db, &errmsg) ;
Chris@0 149 if (err == 0 && db->count == 1)
Chris@0 150 return 1 ;
Chris@0 151
Chris@0 152 return 0 ;
Chris@0 153 } /* db_file_exists */
Chris@0 154
Chris@0 155 int
Chris@0 156 db_add_file (REG_DB * db_handle, const char * filepath)
Chris@0 157 { REGTEST_DB * db ;
Chris@0 158 SNDFILE * sndfile ;
Chris@0 159 SF_INFO info ;
Chris@0 160 char * errmsg ;
Chris@0 161 int err, checksum ;
Chris@0 162
Chris@0 163 db = (REGTEST_DB *) db_handle ;
Chris@0 164
Chris@0 165 get_filename_pathname (db, filepath) ;
Chris@0 166
Chris@0 167 if (db_file_exists (db_handle, filepath))
Chris@0 168 { printf (" %s : already in database\n", db->filename) ;
Chris@0 169 return 0 ;
Chris@0 170 } ;
Chris@0 171
Chris@0 172 memset (&info, 0, sizeof (info)) ;
Chris@0 173 sndfile = sf_open (db->pathname, SFM_READ, &info) ;
Chris@0 174 sf_command (sndfile, SFC_GET_LOG_INFO, db->logbuf, sizeof (db->logbuf)) ;
Chris@0 175 checksum = (sndfile == NULL) ? 0 : calc_checksum (sndfile, &info) ;
Chris@0 176 sf_close (sndfile) ;
Chris@0 177
Chris@0 178 if (sndfile == NULL)
Chris@0 179 { printf (" %s : could not open : %s\n", db->filename, sf_strerror (NULL)) ;
Chris@0 180 puts (db->logbuf) ;
Chris@0 181 return 1 ;
Chris@0 182 } ;
Chris@0 183
Chris@0 184 single_quote_replace (db->logbuf) ;
Chris@0 185
Chris@0 186 snprintf (db->cmdbuf, sizeof (db->cmdbuf), "insert into sndfile "
Chris@0 187 "(fname, fpath, srate, frames, channels, format, checksum, logbuf) values"
Chris@0 188 "('%s','%s',%d,'%ld', %d, '0x%08x', '0x%08x', '%s');",
Chris@0 189 db->filename, db->pathname, info.samplerate, (long) info.frames, info.channels, info.format, checksum, db->logbuf) ;
Chris@0 190
Chris@0 191 if (strlen (db->cmdbuf) >= sizeof (db->cmdbuf) - 1)
Chris@0 192 { printf ("strlen (db->cmdbuf) too long.\n") ;
Chris@0 193 exit (1) ;
Chris@0 194 } ;
Chris@0 195
Chris@0 196 err = sqlite3_exec (db->sql, db->cmdbuf, callback, 0, &errmsg) ;
Chris@0 197 if (err != SQLITE_OK)
Chris@0 198 { printf ("Line %d : SQL error: %s\n", __LINE__, errmsg) ;
Chris@0 199 puts (db->cmdbuf) ;
Chris@0 200 } ;
Chris@0 201
Chris@0 202 return 0 ;
Chris@0 203 } /* db_add_file */
Chris@0 204
Chris@0 205 int
Chris@0 206 db_check_file (REG_DB * db_handle, const char * filepath)
Chris@0 207 { REGTEST_DB * db ;
Chris@0 208 int ekey ;
Chris@0 209
Chris@0 210 if (db_file_exists (db_handle, filepath) == 0)
Chris@0 211 { printf ("\nFile not in database.\n\n") ;
Chris@0 212 exit (0) ;
Chris@0 213 } ;
Chris@0 214
Chris@0 215 db = (REGTEST_DB *) db_handle ;
Chris@0 216
Chris@0 217 ekey = get_ekey_from_filename (db, filepath) ;
Chris@0 218
Chris@0 219 return check_file_by_ekey (db, ekey) ;
Chris@0 220 } /* db_check_file */
Chris@0 221
Chris@0 222 /*==============================================================================
Chris@0 223 */
Chris@0 224
Chris@0 225 int
Chris@0 226 db_check_all (REG_DB * db_handle)
Chris@0 227 { REGTEST_DB * db ;
Chris@0 228 char * errmsg ;
Chris@0 229 int err, ekey ;
Chris@0 230
Chris@0 231 db = (REGTEST_DB *) db_handle ;
Chris@0 232
Chris@0 233 db->ekey_max = 0 ;
Chris@0 234
Chris@0 235 snprintf (db->cmdbuf, sizeof (db->cmdbuf), "select ekey from sndfile") ;
Chris@0 236
Chris@0 237 err = sqlite3_exec (db->sql, db->cmdbuf, (sqlite3_callback) ekey_max_callback, db, &errmsg) ;
Chris@0 238 if (err != SQLITE_OK)
Chris@0 239 { printf ("Line %d : SQL error: %s\n", __LINE__, errmsg) ;
Chris@0 240 puts (db->cmdbuf) ;
Chris@0 241 } ;
Chris@0 242
Chris@0 243 for (ekey = 1 ; ekey <= db->ekey_max ; ekey++)
Chris@0 244 if (get_filename_pathname_by_ekey (db, ekey) != 0)
Chris@0 245 check_file_by_ekey (db, ekey) ;
Chris@0 246
Chris@0 247 return 0 ;
Chris@0 248 } /* db_check_all */
Chris@0 249
Chris@0 250
Chris@0 251 int
Chris@0 252 db_list_all (REG_DB * db_handle)
Chris@0 253 {
Chris@0 254 printf ("%s : %p\n", __func__, db_handle) ;
Chris@0 255 return 0 ;
Chris@0 256 } /* db_list_all */
Chris@0 257
Chris@0 258 int
Chris@0 259 db_del_entry (REG_DB * db_handle, const char * entry)
Chris@0 260 {
Chris@0 261 printf ("%s : %p %s\n", __func__, db_handle, entry) ;
Chris@0 262 return 0 ;
Chris@0 263 } /* db_del_entry */
Chris@0 264
Chris@0 265 /*==============================================================================
Chris@0 266 */
Chris@0 267
Chris@0 268 static int
Chris@0 269 get_ekey_from_filename (REGTEST_DB * db, const char *filepath)
Chris@0 270 { char * errmsg, **result ;
Chris@0 271 int err, ekey = 0, rows, cols ;
Chris@0 272
Chris@0 273 get_filename_pathname (db, filepath) ;
Chris@0 274
Chris@0 275 snprintf (db->cmdbuf, sizeof (db->cmdbuf), "select ekey from sndfile where fname='%s'", db->filename) ;
Chris@0 276
Chris@0 277 err = sqlite3_get_table (db->sql, db->cmdbuf, &result, &rows, &cols, &errmsg) ;
Chris@0 278 if (err != SQLITE_OK)
Chris@0 279 { printf ("Line %d : SQL error: %s\n", __LINE__, errmsg) ;
Chris@0 280 puts (db->cmdbuf) ;
Chris@0 281 } ;
Chris@0 282
Chris@0 283 if (cols != 1 || rows != 1)
Chris@0 284 { printf ("Bad juju!! rows = %d cols = %d\n", rows, cols) ;
Chris@0 285 exit (1) ;
Chris@0 286 } ;
Chris@0 287
Chris@0 288 ekey = strtol (result [1], NULL, 10) ;
Chris@0 289
Chris@0 290 sqlite3_free_table (result) ;
Chris@0 291
Chris@0 292 return ekey ;
Chris@0 293 } /* get_ekey_from_filename */
Chris@0 294
Chris@0 295 static int
Chris@0 296 get_filename_pathname_by_ekey (REGTEST_DB * db, int ekey)
Chris@0 297 { char *errmsg, **result ;
Chris@0 298 int err, rows, cols ;
Chris@0 299
Chris@0 300 snprintf (db->cmdbuf, sizeof (db->cmdbuf), "select fname,fpath from sndfile where ekey='%d'", ekey) ;
Chris@0 301
Chris@0 302 err = sqlite3_get_table (db->sql, db->cmdbuf, &result, &rows, &cols, &errmsg) ;
Chris@0 303 if (err != SQLITE_OK)
Chris@0 304 { printf ("Line %d : SQL error: %s\n", __LINE__, errmsg) ;
Chris@0 305 puts (db->cmdbuf) ;
Chris@0 306 return 0 ;
Chris@0 307 } ;
Chris@0 308
Chris@0 309 if (cols != 2 || rows != 1)
Chris@0 310 { printf ("\nError (%s %d) : rows = %d cols = %d\n", __func__, __LINE__, rows, cols) ;
Chris@0 311 exit (1) ;
Chris@0 312 } ;
Chris@0 313
Chris@0 314 snprintf (db->filename, sizeof (db->filename), "%s", result [2]) ;
Chris@0 315 snprintf (db->pathname, sizeof (db->pathname), "%s", result [3]) ;
Chris@0 316
Chris@0 317 sqlite3_free_table (result) ;
Chris@0 318
Chris@0 319 return 1 ;
Chris@0 320 } /* get_filename_pathname_by_ekey */
Chris@0 321
Chris@0 322 static int
Chris@0 323 check_file_by_ekey (REGTEST_DB * db, int ekey)
Chris@0 324 { SNDFILE * sndfile ;
Chris@0 325 SF_INFO info ;
Chris@0 326 char * errmsg, **result ;
Chris@0 327 int err, k, rows, cols, checksum ;
Chris@0 328
Chris@0 329 printf (" %s : ", db->filename) ;
Chris@0 330 fflush (stdout) ;
Chris@0 331
Chris@0 332 memset (&info, 0, sizeof (info)) ;
Chris@0 333 sndfile = sf_open (db->pathname, SFM_READ, &info) ;
Chris@0 334 sf_command (sndfile, SFC_GET_LOG_INFO, db->logbuf, sizeof (db->logbuf)) ;
Chris@0 335 checksum = (sndfile == NULL) ? 0 : calc_checksum (sndfile, &info) ;
Chris@0 336 sf_close (sndfile) ;
Chris@0 337
Chris@0 338 if (sndfile == NULL)
Chris@0 339 { printf ("\n\nError : Could not open '%s' : %s\n", db->pathname, sf_strerror (NULL)) ;
Chris@0 340 puts (db->logbuf) ;
Chris@0 341 exit (1) ;
Chris@0 342 } ;
Chris@0 343
Chris@0 344 single_quote_replace (db->logbuf) ;
Chris@0 345
Chris@0 346 snprintf (db->cmdbuf, sizeof (db->cmdbuf), "select fname,srate,frames,channels,format,"
Chris@0 347 "checksum,logbuf from sndfile where ekey='%d'", ekey) ;
Chris@0 348
Chris@0 349 err = sqlite3_get_table (db->sql, db->cmdbuf, &result, &rows, &cols, &errmsg) ;
Chris@0 350 if (err != SQLITE_OK)
Chris@0 351 { printf ("Line %d : SQL error: %s\n", __LINE__, errmsg) ;
Chris@0 352 puts (db->cmdbuf) ;
Chris@0 353 } ;
Chris@0 354
Chris@0 355 for (k = 0 ; k < cols ; k++)
Chris@0 356 { if (strcmp (result [k], "fname") == 0)
Chris@0 357 { if (strcmp (result [k + cols], db->filename) == 0)
Chris@0 358 continue ;
Chris@0 359 printf ("\n\nError : fname doesn't match : %s != %s\n", result [k + cols], db->filename) ;
Chris@0 360 } ;
Chris@0 361
Chris@0 362 if (strcmp (result [k], "srate") == 0)
Chris@0 363 { if (strtol (result [k + cols], NULL, 10) == info.samplerate)
Chris@0 364 continue ;
Chris@0 365 printf ("\n\nError : srate doesn't match : %s == %d\n", result [k + cols], info.samplerate) ;
Chris@0 366 } ;
Chris@0 367
Chris@0 368 if (strcmp (result [k], "frames") == 0)
Chris@0 369 { if (strtoll (result [k + cols], NULL, 10) == info.frames)
Chris@0 370 continue ;
Chris@0 371 printf ("\n\nError : frames doesn't match : %s == %ld\n", result [k + cols], (long) info.frames) ;
Chris@0 372 } ;
Chris@0 373
Chris@0 374 if (strcmp (result [k], "channels") == 0)
Chris@0 375 { if (strtol (result [k + cols], NULL, 10) == info.channels)
Chris@0 376 continue ;
Chris@0 377 printf ("\n\nError : channels doesn't match : %s == %d\n", result [k + cols], info.channels) ;
Chris@0 378 } ;
Chris@0 379
Chris@0 380 if (strcmp (result [k], "format") == 0)
Chris@0 381 { if (strtol (result [k + cols], NULL, 16) == info.format)
Chris@0 382 continue ;
Chris@0 383 printf ("\n\nError : format doesn't match : %s == 0x%08x\n", result [k + cols], info.format) ;
Chris@0 384 } ;
Chris@0 385
Chris@0 386 if (strcmp (result [k], "checksum") == 0)
Chris@0 387 { int db_val = (int) strtoll (result [k + cols], NULL, 16) ;
Chris@0 388
Chris@0 389 if (db_val == checksum)
Chris@0 390 continue ;
Chris@0 391 printf ("\n\nError : checksum doesn't match : 0x%08x == 0x%08x\n", db_val, checksum) ;
Chris@0 392 } ;
Chris@0 393
Chris@0 394 if (strcmp (result [k], "logbuf") == 0)
Chris@0 395 continue ;
Chris@0 396
Chris@0 397 printf ("\nHere is the old logubuffer :\n\n%s\n\nand the new :\n\n%s\n\n", result [2 * cols - 1], db->logbuf) ;
Chris@0 398 exit (1) ;
Chris@0 399 } ;
Chris@0 400
Chris@0 401 sqlite3_free_table (result) ;
Chris@0 402
Chris@0 403 puts ("ok") ;
Chris@0 404
Chris@0 405 return 0 ;
Chris@0 406 } /* check_file_by_ekey */
Chris@0 407
Chris@0 408 /*==============================================================================
Chris@0 409 */
Chris@0 410
Chris@0 411 static void
Chris@0 412 get_filename_pathname (REGTEST_DB * db, const char *filepath)
Chris@0 413 { const char * cptr ;
Chris@0 414 int slen ;
Chris@0 415
Chris@0 416 if (filepath [0] != '/')
Chris@0 417 { memset (db->pathname, 0, sizeof (db->pathname)) ;
Chris@0 418 if (getcwd (db->pathname, sizeof (db->pathname)) == NULL)
Chris@0 419 { perror ("\ngetcwd failed") ;
Chris@0 420 exit (1) ;
Chris@0 421 } ;
Chris@0 422
Chris@0 423 slen = strlen (db->pathname) ;
Chris@0 424 db->pathname [slen ++] = '/' ;
Chris@0 425 snprintf (db->pathname + slen, sizeof (db->pathname) - slen, "%s", filepath) ;
Chris@0 426 }
Chris@0 427 else
Chris@0 428 snprintf (db->pathname, sizeof (db->pathname), "%s", filepath) ;
Chris@0 429
Chris@0 430 if ((cptr = strrchr (db->pathname, '/')) == NULL)
Chris@0 431 { printf ("\nError : bad pathname %s\n", filepath) ;
Chris@0 432 exit (1) ;
Chris@0 433 } ;
Chris@0 434
Chris@0 435 snprintf (db->filename, sizeof (db->filename), "%s", cptr + 1) ;
Chris@0 436 } /* get filename_pathname */
Chris@0 437
Chris@0 438 static void
Chris@0 439 single_quote_replace (char * buf)
Chris@0 440 { while ((buf = strchr (buf, '\'')) != 0)
Chris@0 441 buf [0] = '"' ;
Chris@0 442 } /* single_quote_replace */
Chris@0 443
Chris@0 444 static int
Chris@0 445 count_callback (REGTEST_DB * db, int argc, char **argv, char **colname)
Chris@0 446 { db->count ++ ;
Chris@0 447
Chris@0 448 (void) argc ;
Chris@0 449 (void) argv ;
Chris@0 450 (void) colname ;
Chris@0 451 return 0 ;
Chris@0 452 } /* count_callback */
Chris@0 453
Chris@0 454 static int
Chris@0 455 ekey_max_callback (REGTEST_DB * db, int argc, char **argv, char **unused)
Chris@0 456 { int ekey ;
Chris@0 457
Chris@0 458 (void) argc ;
Chris@0 459 (void) unused ;
Chris@0 460
Chris@0 461 ekey = strtol (argv [0], NULL, 10) ;
Chris@0 462 if (ekey > db->ekey_max)
Chris@0 463 db->ekey_max = ekey ;
Chris@0 464
Chris@0 465 return 0 ;
Chris@0 466 } /* ekey_max_callback */
Chris@0 467
Chris@0 468 static int
Chris@0 469 callback (void *unused, int argc, char **argv, char **colname)
Chris@0 470 { int k ;
Chris@0 471
Chris@0 472 (void) unused ;
Chris@0 473
Chris@0 474 for (k = 0 ; k < argc ; k++)
Chris@0 475 printf ("%s = %s\n", colname [k], argv [k] ? argv [k] : "NULL") ;
Chris@0 476
Chris@0 477 printf ("\n") ;
Chris@0 478
Chris@0 479 return 0 ;
Chris@0 480 } /* callback */
Chris@0 481
Chris@0 482 #else
Chris@0 483
Chris@0 484 int dummy (void) ;
Chris@0 485
Chris@0 486 int
Chris@0 487 dummy (void)
Chris@0 488 { /*
Chris@0 489 ** Empty dummy fnction so tha compiler doesn't winge about an
Chris@0 490 ** empty file.
Chris@0 491 */
Chris@0 492 return 0 ;
Chris@0 493 } /* dummy */
Chris@0 494
Chris@0 495 #endif