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: bz2.c,v 1.1.1.4 2014/06/15 20:03:41 misho Exp $ */
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:
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:
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:
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:
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 */
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:
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:
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:
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:
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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: */
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