1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2015 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 int bz2_ret;
141
142 bz2_ret = BZ2_bzread(self->bz_file, buf, count);
143
144 if (bz2_ret < 0) {
145 stream->eof = 1;
146 return -1;
147 }
148 if (bz2_ret == 0) {
149 stream->eof = 1;
150 }
151
152 return (size_t)bz2_ret;
153 }
154
php_bz2iop_write(php_stream * stream,const char * buf,size_t count TSRMLS_DC)155 static size_t php_bz2iop_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC)
156 {
157 struct php_bz2_stream_data_t *self = (struct php_bz2_stream_data_t *) stream->abstract;
158
159 return BZ2_bzwrite(self->bz_file, (char*)buf, count);
160 }
161
php_bz2iop_close(php_stream * stream,int close_handle TSRMLS_DC)162 static int php_bz2iop_close(php_stream *stream, int close_handle TSRMLS_DC)
163 {
164 struct php_bz2_stream_data_t *self = (struct php_bz2_stream_data_t *)stream->abstract;
165 int ret = EOF;
166
167 if (close_handle) {
168 BZ2_bzclose(self->bz_file);
169 }
170
171 if (self->stream) {
172 php_stream_free(self->stream, PHP_STREAM_FREE_CLOSE | (close_handle == 0 ? PHP_STREAM_FREE_PRESERVE_HANDLE : 0));
173 }
174
175 efree(self);
176
177 return ret;
178 }
179
php_bz2iop_flush(php_stream * stream TSRMLS_DC)180 static int php_bz2iop_flush(php_stream *stream TSRMLS_DC)
181 {
182 struct php_bz2_stream_data_t *self = (struct php_bz2_stream_data_t *)stream->abstract;
183 return BZ2_bzflush(self->bz_file);
184 }
185 /* }}} */
186
187 php_stream_ops php_stream_bz2io_ops = {
188 php_bz2iop_write, php_bz2iop_read,
189 php_bz2iop_close, php_bz2iop_flush,
190 "BZip2",
191 NULL, /* seek */
192 NULL, /* cast */
193 NULL, /* stat */
194 NULL /* set_option */
195 };
196
197 /* {{{ Bzip2 stream openers */
_php_stream_bz2open_from_BZFILE(BZFILE * bz,char * mode,php_stream * innerstream STREAMS_DC TSRMLS_DC)198 PHP_BZ2_API php_stream *_php_stream_bz2open_from_BZFILE(BZFILE *bz,
199 char *mode, php_stream *innerstream STREAMS_DC TSRMLS_DC)
200 {
201 struct php_bz2_stream_data_t *self;
202
203 self = emalloc(sizeof(*self));
204
205 self->stream = innerstream;
206 self->bz_file = bz;
207
208 return php_stream_alloc_rel(&php_stream_bz2io_ops, self, 0, mode);
209 }
210
_php_stream_bz2open(php_stream_wrapper * wrapper,char * path,char * mode,int options,char ** opened_path,php_stream_context * context STREAMS_DC TSRMLS_DC)211 PHP_BZ2_API php_stream *_php_stream_bz2open(php_stream_wrapper *wrapper,
212 char *path,
213 char *mode,
214 int options,
215 char **opened_path,
216 php_stream_context *context STREAMS_DC TSRMLS_DC)
217 {
218 php_stream *retstream = NULL, *stream = NULL;
219 char *path_copy = NULL;
220 BZFILE *bz_file = NULL;
221
222 if (strncasecmp("compress.bzip2://", path, 17) == 0) {
223 path += 17;
224 }
225 if (mode[0] == '\0' || (mode[0] != 'w' && mode[0] != 'r' && mode[1] != '\0')) {
226 return NULL;
227 }
228
229 #ifdef VIRTUAL_DIR
230 virtual_filepath_ex(path, &path_copy, NULL TSRMLS_CC);
231 #else
232 path_copy = path;
233 #endif
234
235 if (php_check_open_basedir(path_copy TSRMLS_CC)) {
236 #ifdef VIRTUAL_DIR
237 free(path_copy);
238 #endif
239 return NULL;
240 }
241
242 /* try and open it directly first */
243 bz_file = BZ2_bzopen(path_copy, mode);
244
245 if (opened_path && bz_file) {
246 *opened_path = estrdup(path_copy);
247 }
248 #ifdef VIRTUAL_DIR
249 free(path_copy);
250 #endif
251 path_copy = NULL;
252
253 if (bz_file == NULL) {
254 /* that didn't work, so try and get something from the network/wrapper */
255 stream = php_stream_open_wrapper(path, mode, options | STREAM_WILL_CAST, opened_path);
256
257 if (stream) {
258 int fd;
259 if (SUCCESS == php_stream_cast(stream, PHP_STREAM_AS_FD, (void **) &fd, REPORT_ERRORS)) {
260 bz_file = BZ2_bzdopen(fd, mode);
261 }
262 }
263
264 /* remove the file created by php_stream_open_wrapper(), it is not needed since BZ2 functions
265 * failed.
266 */
267 if (opened_path && !bz_file && mode[0] == 'w') {
268 VCWD_UNLINK(*opened_path);
269 }
270 }
271
272 if (bz_file) {
273 retstream = _php_stream_bz2open_from_BZFILE(bz_file, mode, stream STREAMS_REL_CC TSRMLS_CC);
274 if (retstream) {
275 return retstream;
276 }
277
278 BZ2_bzclose(bz_file);
279 }
280
281 if (stream) {
282 php_stream_close(stream);
283 }
284
285 return NULL;
286 }
287
288 /* }}} */
289
290 static php_stream_wrapper_ops bzip2_stream_wops = {
291 _php_stream_bz2open,
292 NULL, /* close */
293 NULL, /* fstat */
294 NULL, /* stat */
295 NULL, /* opendir */
296 "BZip2",
297 NULL, /* unlink */
298 NULL, /* rename */
299 NULL, /* mkdir */
300 NULL /* rmdir */
301 };
302
303 static php_stream_wrapper php_stream_bzip2_wrapper = {
304 &bzip2_stream_wops,
305 NULL,
306 0 /* is_url */
307 };
308
309 static void php_bz2_error(INTERNAL_FUNCTION_PARAMETERS, int);
310
PHP_MINIT_FUNCTION(bz2)311 static PHP_MINIT_FUNCTION(bz2)
312 {
313 php_register_url_stream_wrapper("compress.bzip2", &php_stream_bzip2_wrapper TSRMLS_CC);
314 php_stream_filter_register_factory("bzip2.*", &php_bz2_filter_factory TSRMLS_CC);
315 return SUCCESS;
316 }
317
PHP_MSHUTDOWN_FUNCTION(bz2)318 static PHP_MSHUTDOWN_FUNCTION(bz2)
319 {
320 php_unregister_url_stream_wrapper("compress.bzip2" TSRMLS_CC);
321 php_stream_filter_unregister_factory("bzip2.*" TSRMLS_CC);
322
323 return SUCCESS;
324 }
325
PHP_MINFO_FUNCTION(bz2)326 static PHP_MINFO_FUNCTION(bz2)
327 {
328 php_info_print_table_start();
329 php_info_print_table_row(2, "BZip2 Support", "Enabled");
330 php_info_print_table_row(2, "Stream Wrapper support", "compress.bzip2://");
331 php_info_print_table_row(2, "Stream Filter support", "bzip2.decompress, bzip2.compress");
332 php_info_print_table_row(2, "BZip2 Version", (char *) BZ2_bzlibVersion());
333 php_info_print_table_end();
334 }
335
336 /* {{{ proto string bzread(resource bz[, int length])
337 Reads up to length bytes from a BZip2 stream, or 1024 bytes if length is not specified */
PHP_FUNCTION(bzread)338 static PHP_FUNCTION(bzread)
339 {
340 zval *bz;
341 long len = 1024;
342 php_stream *stream;
343
344 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &bz, &len)) {
345 RETURN_FALSE;
346 }
347
348 php_stream_from_zval(stream, &bz);
349
350 if ((len + 1) < 1) {
351 php_error_docref(NULL TSRMLS_CC, E_WARNING, "length may not be negative");
352 RETURN_FALSE;
353 }
354
355 Z_STRVAL_P(return_value) = emalloc(len + 1);
356 Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
357
358 if (Z_STRLEN_P(return_value) < 0) {
359 efree(Z_STRVAL_P(return_value));
360 php_error_docref(NULL TSRMLS_CC, E_WARNING, "could not read valid bz2 data from stream");
361 RETURN_FALSE;
362 }
363
364 Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
365 Z_TYPE_P(return_value) = IS_STRING;
366 }
367 /* }}} */
368
369 /* {{{ proto resource bzopen(string|int file|fp, string mode)
370 Opens a new BZip2 stream */
PHP_FUNCTION(bzopen)371 static PHP_FUNCTION(bzopen)
372 {
373 zval **file; /* The file to open */
374 char *mode; /* The mode to open the stream with */
375 int mode_len;
376
377 BZFILE *bz; /* The compressed file stream */
378 php_stream *stream = NULL;
379
380 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Zs", &file, &mode, &mode_len) == FAILURE) {
381 return;
382 }
383
384 if (mode_len != 1 || (mode[0] != 'r' && mode[0] != 'w')) {
385 php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s' is not a valid mode for bzopen(). Only 'w' and 'r' are supported.", mode);
386 RETURN_FALSE;
387 }
388
389 /* If it's not a resource its a string containing the filename to open */
390 if (Z_TYPE_PP(file) == IS_STRING) {
391 if (Z_STRLEN_PP(file) == 0) {
392 php_error_docref(NULL TSRMLS_CC, E_WARNING, "filename cannot be empty");
393 RETURN_FALSE;
394 }
395
396 if (CHECK_ZVAL_NULL_PATH(*file)) {
397 RETURN_FALSE;
398 }
399
400 stream = php_stream_bz2open(NULL,
401 Z_STRVAL_PP(file),
402 mode,
403 REPORT_ERRORS,
404 NULL);
405 } else if (Z_TYPE_PP(file) == IS_RESOURCE) {
406 /* If it is a resource, than its a stream resource */
407 int fd;
408 int stream_mode_len;
409
410 php_stream_from_zval(stream, file);
411 stream_mode_len = strlen(stream->mode);
412
413 if (stream_mode_len != 1 && !(stream_mode_len == 2 && memchr(stream->mode, 'b', 2))) {
414 php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot use stream opened in mode '%s'", stream->mode);
415 RETURN_FALSE;
416 } else if (stream_mode_len == 1 && stream->mode[0] != 'r' && stream->mode[0] != 'w' && stream->mode[0] != 'a' && stream->mode[0] != 'x') {
417 php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot use stream opened in mode '%s'", stream->mode);
418 RETURN_FALSE;
419 }
420
421 switch(mode[0]) {
422 case 'r':
423 /* only "r" and "rb" are supported */
424 if (stream->mode[0] != mode[0] && !(stream_mode_len == 2 && stream->mode[1] != mode[0])) {
425 php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot read from a stream opened in write only mode");
426 RETURN_FALSE;
427 }
428 break;
429 case 'w':
430 /* support only "w"(b), "a"(b), "x"(b) */
431 if (stream->mode[0] != mode[0] && !(stream_mode_len == 2 && stream->mode[1] != mode[0])
432 && stream->mode[0] != 'a' && !(stream_mode_len == 2 && stream->mode[1] != 'a')
433 && stream->mode[0] != 'x' && !(stream_mode_len == 2 && stream->mode[1] != 'x')) {
434 php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot write to a stream opened in read only mode");
435 RETURN_FALSE;
436 }
437 break;
438 default:
439 /* not reachable */
440 break;
441 }
442
443 if (FAILURE == php_stream_cast(stream, PHP_STREAM_AS_FD, (void *) &fd, REPORT_ERRORS)) {
444 RETURN_FALSE;
445 }
446
447 bz = BZ2_bzdopen(fd, mode);
448
449 stream = php_stream_bz2open_from_BZFILE(bz, mode, stream);
450 } else {
451 php_error_docref(NULL TSRMLS_CC, E_WARNING, "first parameter has to be string or file-resource");
452 RETURN_FALSE;
453 }
454
455 if (stream) {
456 php_stream_to_zval(stream, return_value);
457 } else {
458 RETURN_FALSE;
459 }
460 }
461 /* }}} */
462
463 /* {{{ proto int bzerrno(resource bz)
464 Returns the error number */
PHP_FUNCTION(bzerrno)465 static PHP_FUNCTION(bzerrno)
466 {
467 php_bz2_error(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_BZ_ERRNO);
468 }
469 /* }}} */
470
471 /* {{{ proto string bzerrstr(resource bz)
472 Returns the error string */
PHP_FUNCTION(bzerrstr)473 static PHP_FUNCTION(bzerrstr)
474 {
475 php_bz2_error(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_BZ_ERRSTR);
476 }
477 /* }}} */
478
479 /* {{{ proto array bzerror(resource bz)
480 Returns the error number and error string in an associative array */
PHP_FUNCTION(bzerror)481 static PHP_FUNCTION(bzerror)
482 {
483 php_bz2_error(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_BZ_ERRBOTH);
484 }
485 /* }}} */
486
487 /* {{{ proto string bzcompress(string source [, int blocksize100k [, int workfactor]])
488 Compresses a string into BZip2 encoded data */
PHP_FUNCTION(bzcompress)489 static PHP_FUNCTION(bzcompress)
490 {
491 char *source; /* Source data to compress */
492 long zblock_size = 0; /* Optional block size to use */
493 long zwork_factor = 0;/* Optional work factor to use */
494 char *dest = NULL; /* Destination to place the compressed data into */
495 int error, /* Error Container */
496 block_size = 4, /* Block size for compression algorithm */
497 work_factor = 0, /* Work factor for compression algorithm */
498 argc; /* Argument count */
499 int source_len; /* Length of the source data */
500 unsigned int dest_len; /* Length of the destination buffer */
501
502 argc = ZEND_NUM_ARGS();
503
504 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ll", &source, &source_len, &zblock_size, &zwork_factor) == FAILURE) {
505 return;
506 }
507
508 /* Assign them to easy to use variables, dest_len is initially the length of the data
509 + .01 x length of data + 600 which is the largest size the results of the compression
510 could possibly be, at least that's what the libbz2 docs say (thanks to jeremy@nirvani.net
511 for pointing this out). */
512 dest_len = (unsigned int) (source_len + (0.01 * source_len) + 600);
513
514 /* Allocate the destination buffer */
515 dest = emalloc(dest_len + 1);
516
517 /* Handle the optional arguments */
518 if (argc > 1) {
519 block_size = zblock_size;
520 }
521
522 if (argc > 2) {
523 work_factor = zwork_factor;
524 }
525
526 error = BZ2_bzBuffToBuffCompress(dest, &dest_len, source, source_len, block_size, 0, work_factor);
527 if (error != BZ_OK) {
528 efree(dest);
529 RETURN_LONG(error);
530 } else {
531 /* Copy the buffer, we have perhaps allocate a lot more than we need,
532 so we erealloc() the buffer to the proper size */
533 dest = erealloc(dest, dest_len + 1);
534 dest[dest_len] = 0;
535 RETURN_STRINGL(dest, dest_len, 0);
536 }
537 }
538 /* }}} */
539
540 /* {{{ proto string bzdecompress(string source [, int small])
541 Decompresses BZip2 compressed data */
PHP_FUNCTION(bzdecompress)542 static PHP_FUNCTION(bzdecompress)
543 {
544 char *source, *dest;
545 int source_len, error;
546 long small = 0;
547 #if defined(PHP_WIN32)
548 unsigned __int64 size = 0;
549 #else
550 unsigned long long size = 0;
551 #endif
552 bz_stream bzs;
553
554 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &source, &source_len, &small)) {
555 RETURN_FALSE;
556 }
557
558 bzs.bzalloc = NULL;
559 bzs.bzfree = NULL;
560
561 if (BZ2_bzDecompressInit(&bzs, 0, small) != BZ_OK) {
562 RETURN_FALSE;
563 }
564
565 bzs.next_in = source;
566 bzs.avail_in = source_len;
567
568 /* in most cases bz2 offers at least 2:1 compression, so we use that as our base */
569 bzs.avail_out = source_len * 2;
570 bzs.next_out = dest = emalloc(bzs.avail_out + 1);
571
572 while ((error = BZ2_bzDecompress(&bzs)) == BZ_OK && bzs.avail_in > 0) {
573 /* compression is better then 2:1, need to allocate more memory */
574 bzs.avail_out = source_len;
575 size = (bzs.total_out_hi32 * (unsigned int) -1) + bzs.total_out_lo32;
576 dest = safe_erealloc(dest, 1, bzs.avail_out+1, (size_t) size );
577 bzs.next_out = dest + size;
578 }
579
580 if (error == BZ_STREAM_END || error == BZ_OK) {
581 size = (bzs.total_out_hi32 * (unsigned int) -1) + bzs.total_out_lo32;
582 dest = safe_erealloc(dest, 1, (size_t) size, 1);
583 dest[size] = '\0';
584 RETVAL_STRINGL(dest, (int) size, 0);
585 } else { /* real error */
586 efree(dest);
587 RETVAL_LONG(error);
588 }
589
590 BZ2_bzDecompressEnd(&bzs);
591 }
592 /* }}} */
593
594 /* {{{ php_bz2_error()
595 The central error handling interface, does the work for bzerrno, bzerrstr and bzerror */
php_bz2_error(INTERNAL_FUNCTION_PARAMETERS,int opt)596 static void php_bz2_error(INTERNAL_FUNCTION_PARAMETERS, int opt)
597 {
598 zval *bzp; /* BZip2 Resource Pointer */
599 php_stream *stream;
600 const char *errstr; /* Error string */
601 int errnum; /* Error number */
602 struct php_bz2_stream_data_t *self;
603
604 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &bzp) == FAILURE) {
605 return;
606 }
607
608 php_stream_from_zval(stream, &bzp);
609
610 if (!php_stream_is(stream, PHP_STREAM_IS_BZIP2)) {
611 RETURN_FALSE;
612 }
613
614 self = (struct php_bz2_stream_data_t *) stream->abstract;
615
616 /* Fetch the error information */
617 errstr = BZ2_bzerror(self->bz_file, &errnum);
618
619 /* Determine what to return */
620 switch (opt) {
621 case PHP_BZ_ERRNO:
622 RETURN_LONG(errnum);
623 break;
624 case PHP_BZ_ERRSTR:
625 RETURN_STRING((char*)errstr, 1);
626 break;
627 case PHP_BZ_ERRBOTH:
628 array_init(return_value);
629
630 add_assoc_long (return_value, "errno", errnum);
631 add_assoc_string(return_value, "errstr", (char*)errstr, 1);
632 break;
633 }
634 }
635 /* }}} */
636
637 #endif
638
639 /*
640 * Local variables:
641 * tab-width: 4
642 * c-basic-offset: 4
643 * End:
644 * vim600: fdm=marker
645 * vim: noet sw=4 ts=4
646 */
647
