1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2014 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Sterling Hughes <sterling@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include "php.h"
26 #include "php_bz2.h"
27
28 #if HAVE_BZ2
29
30 /* PHP Includes */
31 #include "ext/standard/file.h"
32 #include "ext/standard/info.h"
33 #include "ext/standard/php_string.h"
34
35 /* for fileno() */
36 #include <stdio.h>
37
38 /* Internal error constants */
39 #define PHP_BZ_ERRNO 0
40 #define PHP_BZ_ERRSTR 1
41 #define PHP_BZ_ERRBOTH 2
42
43 static PHP_MINIT_FUNCTION(bz2);
44 static PHP_MSHUTDOWN_FUNCTION(bz2);
45 static PHP_MINFO_FUNCTION(bz2);
46 static PHP_FUNCTION(bzopen);
47 static PHP_FUNCTION(bzread);
48 static PHP_FUNCTION(bzerrno);
49 static PHP_FUNCTION(bzerrstr);
50 static PHP_FUNCTION(bzerror);
51 static PHP_FUNCTION(bzcompress);
52 static PHP_FUNCTION(bzdecompress);
53
54 /* {{{ arginfo */
55 ZEND_BEGIN_ARG_INFO_EX(arginfo_bzread, 0, 0, 1)
56 ZEND_ARG_INFO(0, bz)
57 ZEND_ARG_INFO(0, length)
58 ZEND_END_ARG_INFO()
59
60 ZEND_BEGIN_ARG_INFO(arginfo_bzopen, 0)
61 ZEND_ARG_INFO(0, file)
62 ZEND_ARG_INFO(0, mode)
63 ZEND_END_ARG_INFO()
64
65 ZEND_BEGIN_ARG_INFO(arginfo_bzerrno, 0)
66 ZEND_ARG_INFO(0, bz)
67 ZEND_END_ARG_INFO()
68
69 ZEND_BEGIN_ARG_INFO(arginfo_bzerrstr, 0)
70 ZEND_ARG_INFO(0, bz)
71 ZEND_END_ARG_INFO()
72
73 ZEND_BEGIN_ARG_INFO(arginfo_bzerror, 0)
74 ZEND_ARG_INFO(0, bz)
75 ZEND_END_ARG_INFO()
76
77 ZEND_BEGIN_ARG_INFO_EX(arginfo_bzcompress, 0, 0, 2)
78 ZEND_ARG_INFO(0, source)
79 ZEND_ARG_INFO(0, blocksize)
80 ZEND_ARG_INFO(0, workfactor)
81 ZEND_END_ARG_INFO()
82
83 ZEND_BEGIN_ARG_INFO_EX(arginfo_bzdecompress, 0, 0, 1)
84 ZEND_ARG_INFO(0, source)
85 ZEND_ARG_INFO(0, small)
86 ZEND_END_ARG_INFO()
87
88 ZEND_BEGIN_ARG_INFO_EX(arginfo_bzwrite, 0, 0, 2)
89 ZEND_ARG_INFO(0, fp)
90 ZEND_ARG_INFO(0, str)
91 ZEND_ARG_INFO(0, length)
92 ZEND_END_ARG_INFO()
93
94 ZEND_BEGIN_ARG_INFO(arginfo_bzflush, 0)
95 ZEND_ARG_INFO(0, fp)
96 ZEND_END_ARG_INFO()
97 /* }}} */
98
99 static const zend_function_entry bz2_functions[] = {
100 PHP_FE(bzopen, arginfo_bzopen)
101 PHP_FE(bzread, arginfo_bzread)
102 PHP_FALIAS(bzwrite, fwrite, arginfo_bzwrite)
103 PHP_FALIAS(bzflush, fflush, arginfo_bzflush)
104 PHP_FALIAS(bzclose, fclose, arginfo_bzflush)
105 PHP_FE(bzerrno, arginfo_bzerrno)
106 PHP_FE(bzerrstr, arginfo_bzerrstr)
107 PHP_FE(bzerror, arginfo_bzerror)
108 PHP_FE(bzcompress, arginfo_bzcompress)
109 PHP_FE(bzdecompress, arginfo_bzdecompress)
110 PHP_FE_END
111 };
112
113 zend_module_entry bz2_module_entry = {
114 STANDARD_MODULE_HEADER,
115 "bz2",
116 bz2_functions,
117 PHP_MINIT(bz2),
118 PHP_MSHUTDOWN(bz2),
119 NULL,
120 NULL,
121 PHP_MINFO(bz2),
122 NO_VERSION_YET,
123 STANDARD_MODULE_PROPERTIES
124 };
125
126 #ifdef COMPILE_DL_BZ2
127 ZEND_GET_MODULE(bz2)
128 #endif
129
130 struct php_bz2_stream_data_t {
131 BZFILE *bz_file;
132 php_stream *stream;
133 };
134
135 /* {{{ BZip2 stream implementation */
136
php_bz2iop_read(php_stream * stream,char * buf,size_t count TSRMLS_DC)137 static size_t php_bz2iop_read(php_stream *stream, char *buf, size_t count TSRMLS_DC)
138 {
139 struct php_bz2_stream_data_t *self = (struct php_bz2_stream_data_t *) stream->abstract;
140 size_t ret;
141
142 ret = BZ2_bzread(self->bz_file, buf, count);
143
144 if (ret == 0) {
145 stream->eof = 1;
146 }
147
148 return ret;
149 }
150
php_bz2iop_write(php_stream * stream,const char * buf,size_t count TSRMLS_DC)151 static size_t php_bz2iop_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC)
152 {
153 struct php_bz2_stream_data_t *self = (struct php_bz2_stream_data_t *) stream->abstract;
154
155 return BZ2_bzwrite(self->bz_file, (char*)buf, count);
156 }
157
php_bz2iop_close(php_stream * stream,int close_handle TSRMLS_DC)158 static int php_bz2iop_close(php_stream *stream, int close_handle TSRMLS_DC)
159 {
160 struct php_bz2_stream_data_t *self = (struct php_bz2_stream_data_t *)stream->abstract;
161 int ret = EOF;
162
163 if (close_handle) {
164 BZ2_bzclose(self->bz_file);
165 }
166
167 if (self->stream) {
168 php_stream_free(self->stream, PHP_STREAM_FREE_CLOSE | (close_handle == 0 ? PHP_STREAM_FREE_PRESERVE_HANDLE : 0));
169 }
170
171 efree(self);
172
173 return ret;
174 }
175
php_bz2iop_flush(php_stream * stream TSRMLS_DC)176 static int php_bz2iop_flush(php_stream *stream TSRMLS_DC)
177 {
178 struct php_bz2_stream_data_t *self = (struct php_bz2_stream_data_t *)stream->abstract;
179 return BZ2_bzflush(self->bz_file);
180 }
181 /* }}} */
182
183 php_stream_ops php_stream_bz2io_ops = {
184 php_bz2iop_write, php_bz2iop_read,
185 php_bz2iop_close, php_bz2iop_flush,
186 "BZip2",
187 NULL, /* seek */
188 NULL, /* cast */
189 NULL, /* stat */
190 NULL /* set_option */
191 };
192
193 /* {{{ Bzip2 stream openers */
_php_stream_bz2open_from_BZFILE(BZFILE * bz,char * mode,php_stream * innerstream STREAMS_DC TSRMLS_DC)194 PHP_BZ2_API php_stream *_php_stream_bz2open_from_BZFILE(BZFILE *bz,
195 char *mode, php_stream *innerstream STREAMS_DC TSRMLS_DC)
196 {
197 struct php_bz2_stream_data_t *self;
198
199 self = emalloc(sizeof(*self));
200
201 self->stream = innerstream;
202 self->bz_file = bz;
203
204 return php_stream_alloc_rel(&php_stream_bz2io_ops, self, 0, mode);
205 }
206
_php_stream_bz2open(php_stream_wrapper * wrapper,char * path,char * mode,int options,char ** opened_path,php_stream_context * context STREAMS_DC TSRMLS_DC)207 PHP_BZ2_API php_stream *_php_stream_bz2open(php_stream_wrapper *wrapper,
208 char *path,
209 char *mode,
210 int options,
211 char **opened_path,
212 php_stream_context *context STREAMS_DC TSRMLS_DC)
213 {
214 php_stream *retstream = NULL, *stream = NULL;
215 char *path_copy = NULL;
216 BZFILE *bz_file = NULL;
217
218 if (strncasecmp("compress.bzip2://", path, 17) == 0) {
219 path += 17;
220 }
221 if (mode[0] == '\0' || (mode[0] != 'w' && mode[0] != 'r' && mode[1] != '\0')) {
222 return NULL;
223 }
224
225 #ifdef VIRTUAL_DIR
226 virtual_filepath_ex(path, &path_copy, NULL TSRMLS_CC);
227 #else
228 path_copy = path;
229 #endif
230
231 if (php_check_open_basedir(path_copy TSRMLS_CC)) {
232 #ifdef VIRTUAL_DIR
233 free(path_copy);
234 #endif
235 return NULL;
236 }
237
238 /* try and open it directly first */
239 bz_file = BZ2_bzopen(path_copy, mode);
240
241 if (opened_path && bz_file) {
242 *opened_path = estrdup(path_copy);
243 }
244 #ifdef VIRTUAL_DIR
245 free(path_copy);
246 #endif
247 path_copy = NULL;
248
249 if (bz_file == NULL) {
250 /* that didn't work, so try and get something from the network/wrapper */
251 stream = php_stream_open_wrapper(path, mode, options | STREAM_WILL_CAST, opened_path);
252
253 if (stream) {
254 int fd;
255 if (SUCCESS == php_stream_cast(stream, PHP_STREAM_AS_FD, (void **) &fd, REPORT_ERRORS)) {
256 bz_file = BZ2_bzdopen(fd, mode);
257 }
258 }
259
260 /* remove the file created by php_stream_open_wrapper(), it is not needed since BZ2 functions
261 * failed.
262 */
263 if (opened_path && !bz_file && mode[0] == 'w') {
264 VCWD_UNLINK(*opened_path);
265 }
266 }
267
268 if (bz_file) {
269 retstream = _php_stream_bz2open_from_BZFILE(bz_file, mode, stream STREAMS_REL_CC TSRMLS_CC);
270 if (retstream) {
271 return retstream;
272 }
273
274 BZ2_bzclose(bz_file);
275 }
276
277 if (stream) {
278 php_stream_close(stream);
279 }
280
281 return NULL;
282 }
283
284 /* }}} */
285
286 static php_stream_wrapper_ops bzip2_stream_wops = {
287 _php_stream_bz2open,
288 NULL, /* close */
289 NULL, /* fstat */
290 NULL, /* stat */
291 NULL, /* opendir */
292 "BZip2",
293 NULL, /* unlink */
294 NULL, /* rename */
295 NULL, /* mkdir */
296 NULL /* rmdir */
297 };
298
299 static php_stream_wrapper php_stream_bzip2_wrapper = {
300 &bzip2_stream_wops,
301 NULL,
302 0 /* is_url */
303 };
304
305 static void php_bz2_error(INTERNAL_FUNCTION_PARAMETERS, int);
306
PHP_MINIT_FUNCTION(bz2)307 static PHP_MINIT_FUNCTION(bz2)
308 {
309 php_register_url_stream_wrapper("compress.bzip2", &php_stream_bzip2_wrapper TSRMLS_CC);
310 php_stream_filter_register_factory("bzip2.*", &php_bz2_filter_factory TSRMLS_CC);
311 return SUCCESS;
312 }
313
PHP_MSHUTDOWN_FUNCTION(bz2)314 static PHP_MSHUTDOWN_FUNCTION(bz2)
315 {
316 php_unregister_url_stream_wrapper("compress.bzip2" TSRMLS_CC);
317 php_stream_filter_unregister_factory("bzip2.*" TSRMLS_CC);
318
319 return SUCCESS;
320 }
321
PHP_MINFO_FUNCTION(bz2)322 static PHP_MINFO_FUNCTION(bz2)
323 {
324 php_info_print_table_start();
325 php_info_print_table_row(2, "BZip2 Support", "Enabled");
326 php_info_print_table_row(2, "Stream Wrapper support", "compress.bzip2://");
327 php_info_print_table_row(2, "Stream Filter support", "bzip2.decompress, bzip2.compress");
328 php_info_print_table_row(2, "BZip2 Version", (char *) BZ2_bzlibVersion());
329 php_info_print_table_end();
330 }
331
332 /* {{{ proto string bzread(resource bz[, int length])
333 Reads up to length bytes from a BZip2 stream, or 1024 bytes if length is not specified */
PHP_FUNCTION(bzread)334 static PHP_FUNCTION(bzread)
335 {
336 zval *bz;
337 long len = 1024;
338 php_stream *stream;
339
340 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &bz, &len)) {
341 RETURN_FALSE;
342 }
343
344 php_stream_from_zval(stream, &bz);
345
346 if ((len + 1) < 1) {
347 php_error_docref(NULL TSRMLS_CC, E_WARNING, "length may not be negative");
348 RETURN_FALSE;
349 }
350
351 Z_STRVAL_P(return_value) = emalloc(len + 1);
352 Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
353
354 if (Z_STRLEN_P(return_value) < 0) {
355 efree(Z_STRVAL_P(return_value));
356 php_error_docref(NULL TSRMLS_CC, E_WARNING, "could not read valid bz2 data from stream");
357 RETURN_FALSE;
358 }
359
360 Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
361 Z_TYPE_P(return_value) = IS_STRING;
362 }
363 /* }}} */
364
365 /* {{{ proto resource bzopen(string|int file|fp, string mode)
366 Opens a new BZip2 stream */
PHP_FUNCTION(bzopen)367 static PHP_FUNCTION(bzopen)
368 {
369 zval **file; /* The file to open */
370 char *mode; /* The mode to open the stream with */
371 int mode_len;
372
373 BZFILE *bz; /* The compressed file stream */
374 php_stream *stream = NULL;
375
376 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Zs", &file, &mode, &mode_len) == FAILURE) {
377 return;
378 }
379
380 if (mode_len != 1 || (mode[0] != 'r' && mode[0] != 'w')) {
381 php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s' is not a valid mode for bzopen(). Only 'w' and 'r' are supported.", mode);
382 RETURN_FALSE;
383 }
384
385 /* If it's not a resource its a string containing the filename to open */
386 if (Z_TYPE_PP(file) == IS_STRING) {
387 if (Z_STRLEN_PP(file) == 0) {
388 php_error_docref(NULL TSRMLS_CC, E_WARNING, "filename cannot be empty");
389 RETURN_FALSE;
390 }
391
392 if (CHECK_ZVAL_NULL_PATH(*file)) {
393 RETURN_FALSE;
394 }
395
396 stream = php_stream_bz2open(NULL,
397 Z_STRVAL_PP(file),
398 mode,
399 REPORT_ERRORS,
400 NULL);
401 } else if (Z_TYPE_PP(file) == IS_RESOURCE) {
402 /* If it is a resource, than its a stream resource */
403 int fd;
404 int stream_mode_len;
405
406 php_stream_from_zval(stream, file);
407 stream_mode_len = strlen(stream->mode);
408
409 if (stream_mode_len != 1 && !(stream_mode_len == 2 && memchr(stream->mode, 'b', 2))) {
410 php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot use stream opened in mode '%s'", stream->mode);
411 RETURN_FALSE;
412 } else if (stream_mode_len == 1 && stream->mode[0] != 'r' && stream->mode[0] != 'w' && stream->mode[0] != 'a' && stream->mode[0] != 'x') {
413 php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot use stream opened in mode '%s'", stream->mode);
414 RETURN_FALSE;
415 }
416
417 switch(mode[0]) {
418 case 'r':
419 /* only "r" and "rb" are supported */
420 if (stream->mode[0] != mode[0] && !(stream_mode_len == 2 && stream->mode[1] != mode[0])) {
421 php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot read from a stream opened in write only mode");
422 RETURN_FALSE;
423 }
424 break;
425 case 'w':
426 /* support only "w"(b), "a"(b), "x"(b) */
427 if (stream->mode[0] != mode[0] && !(stream_mode_len == 2 && stream->mode[1] != mode[0])
428 && stream->mode[0] != 'a' && !(stream_mode_len == 2 && stream->mode[1] != 'a')
429 && stream->mode[0] != 'x' && !(stream_mode_len == 2 && stream->mode[1] != 'x')) {
430 php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot write to a stream opened in read only mode");
431 RETURN_FALSE;
432 }
433 break;
434 default:
435 /* not reachable */
436 break;
437 }
438
439 if (FAILURE == php_stream_cast(stream, PHP_STREAM_AS_FD, (void *) &fd, REPORT_ERRORS)) {
440 RETURN_FALSE;
441 }
442
443 bz = BZ2_bzdopen(fd, mode);
444
445 stream = php_stream_bz2open_from_BZFILE(bz, mode, stream);
446 } else {
447 php_error_docref(NULL TSRMLS_CC, E_WARNING, "first parameter has to be string or file-resource");
448 RETURN_FALSE;
449 }
450
451 if (stream) {
452 php_stream_to_zval(stream, return_value);
453 } else {
454 RETURN_FALSE;
455 }
456 }
457 /* }}} */
458
459 /* {{{ proto int bzerrno(resource bz)
460 Returns the error number */
PHP_FUNCTION(bzerrno)461 static PHP_FUNCTION(bzerrno)
462 {
463 php_bz2_error(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_BZ_ERRNO);
464 }
465 /* }}} */
466
467 /* {{{ proto string bzerrstr(resource bz)
468 Returns the error string */
PHP_FUNCTION(bzerrstr)469 static PHP_FUNCTION(bzerrstr)
470 {
471 php_bz2_error(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_BZ_ERRSTR);
472 }
473 /* }}} */
474
475 /* {{{ proto array bzerror(resource bz)
476 Returns the error number and error string in an associative array */
PHP_FUNCTION(bzerror)477 static PHP_FUNCTION(bzerror)
478 {
479 php_bz2_error(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_BZ_ERRBOTH);
480 }
481 /* }}} */
482
483 /* {{{ proto string bzcompress(string source [, int blocksize100k [, int workfactor]])
484 Compresses a string into BZip2 encoded data */
PHP_FUNCTION(bzcompress)485 static PHP_FUNCTION(bzcompress)
486 {
487 char *source; /* Source data to compress */
488 long zblock_size = 0; /* Optional block size to use */
489 long zwork_factor = 0;/* Optional work factor to use */
490 char *dest = NULL; /* Destination to place the compressed data into */
491 int error, /* Error Container */
492 block_size = 4, /* Block size for compression algorithm */
493 work_factor = 0, /* Work factor for compression algorithm */
494 argc; /* Argument count */
495 int source_len; /* Length of the source data */
496 unsigned int dest_len; /* Length of the destination buffer */
497
498 argc = ZEND_NUM_ARGS();
499
500 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ll", &source, &source_len, &zblock_size, &zwork_factor) == FAILURE) {
501 return;
502 }
503
504 /* Assign them to easy to use variables, dest_len is initially the length of the data
505 + .01 x length of data + 600 which is the largest size the results of the compression
506 could possibly be, at least that's what the libbz2 docs say (thanks to jeremy@nirvani.net
507 for pointing this out). */
508 dest_len = (unsigned int) (source_len + (0.01 * source_len) + 600);
509
510 /* Allocate the destination buffer */
511 dest = emalloc(dest_len + 1);
512
513 /* Handle the optional arguments */
514 if (argc > 1) {
515 block_size = zblock_size;
516 }
517
518 if (argc > 2) {
519 work_factor = zwork_factor;
520 }
521
522 error = BZ2_bzBuffToBuffCompress(dest, &dest_len, source, source_len, block_size, 0, work_factor);
523 if (error != BZ_OK) {
524 efree(dest);
525 RETURN_LONG(error);
526 } else {
527 /* Copy the buffer, we have perhaps allocate a lot more than we need,
528 so we erealloc() the buffer to the proper size */
529 dest = erealloc(dest, dest_len + 1);
530 dest[dest_len] = 0;
531 RETURN_STRINGL(dest, dest_len, 0);
532 }
533 }
534 /* }}} */
535
536 /* {{{ proto string bzdecompress(string source [, int small])
537 Decompresses BZip2 compressed data */
PHP_FUNCTION(bzdecompress)538 static PHP_FUNCTION(bzdecompress)
539 {
540 char *source, *dest;
541 int source_len, error;
542 long small = 0;
543 #if defined(PHP_WIN32)
544 unsigned __int64 size = 0;
545 #else
546 unsigned long long size = 0;
547 #endif
548 bz_stream bzs;
549
550 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &source, &source_len, &small)) {
551 RETURN_FALSE;
552 }
553
554 bzs.bzalloc = NULL;
555 bzs.bzfree = NULL;
556
557 if (BZ2_bzDecompressInit(&bzs, 0, small) != BZ_OK) {
558 RETURN_FALSE;
559 }
560
561 bzs.next_in = source;
562 bzs.avail_in = source_len;
563
564 /* in most cases bz2 offers at least 2:1 compression, so we use that as our base */
565 bzs.avail_out = source_len * 2;
566 bzs.next_out = dest = emalloc(bzs.avail_out + 1);
567
568 while ((error = BZ2_bzDecompress(&bzs)) == BZ_OK && bzs.avail_in > 0) {
569 /* compression is better then 2:1, need to allocate more memory */
570 bzs.avail_out = source_len;
571 size = (bzs.total_out_hi32 * (unsigned int) -1) + bzs.total_out_lo32;
572 dest = safe_erealloc(dest, 1, bzs.avail_out+1, (size_t) size );
573 bzs.next_out = dest + size;
574 }
575
576 if (error == BZ_STREAM_END || error == BZ_OK) {
577 size = (bzs.total_out_hi32 * (unsigned int) -1) + bzs.total_out_lo32;
578 dest = safe_erealloc(dest, 1, (size_t) size, 1);
579 dest[size] = '\0';
580 RETVAL_STRINGL(dest, (int) size, 0);
581 } else { /* real error */
582 efree(dest);
583 RETVAL_LONG(error);
584 }
585
586 BZ2_bzDecompressEnd(&bzs);
587 }
588 /* }}} */
589
590 /* {{{ php_bz2_error()
591 The central error handling interface, does the work for bzerrno, bzerrstr and bzerror */
php_bz2_error(INTERNAL_FUNCTION_PARAMETERS,int opt)592 static void php_bz2_error(INTERNAL_FUNCTION_PARAMETERS, int opt)
593 {
594 zval *bzp; /* BZip2 Resource Pointer */
595 php_stream *stream;
596 const char *errstr; /* Error string */
597 int errnum; /* Error number */
598 struct php_bz2_stream_data_t *self;
599
600 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &bzp) == FAILURE) {
601 return;
602 }
603
604 php_stream_from_zval(stream, &bzp);
605
606 if (!php_stream_is(stream, PHP_STREAM_IS_BZIP2)) {
607 RETURN_FALSE;
608 }
609
610 self = (struct php_bz2_stream_data_t *) stream->abstract;
611
612 /* Fetch the error information */
613 errstr = BZ2_bzerror(self->bz_file, &errnum);
614
615 /* Determine what to return */
616 switch (opt) {
617 case PHP_BZ_ERRNO:
618 RETURN_LONG(errnum);
619 break;
620 case PHP_BZ_ERRSTR:
621 RETURN_STRING((char*)errstr, 1);
622 break;
623 case PHP_BZ_ERRBOTH:
624 array_init(return_value);
625
626 add_assoc_long (return_value, "errno", errnum);
627 add_assoc_string(return_value, "errstr", (char*)errstr, 1);
628 break;
629 }
630 }
631 /* }}} */
632
633 #endif
634
635 /*
636 * Local variables:
637 * tab-width: 4
638 * c-basic-offset: 4
639 * End:
640 * vim600: fdm=marker
641 * vim: noet sw=4 ts=4
642 */
643
