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* Close issue #6210: Implement PEP 409Nick Coghlan2012-02-261-1/+5
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* Fix test failure in test_cmd_line by initializing the hash secret at the ↵Antoine Pitrou2012-02-211-1/+0
|\ | | | | | | earliest point.
| * Fix test failure in test_cmd_line by initializing the hash secret at the ↵Antoine Pitrou2012-02-211-1/+0
| | | | | | | | earliest point.
* | Merge 3.2: Issue #13703 plus some related test suite fixes.Georg Brandl2012-02-201-0/+8
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| * Merge from 3.1: Issue #13703: add a way to randomize the hash values of ↵Georg Brandl2012-02-201-0/+8
| |\ | | | | | | | | | | | | | | | | | | | | | | | | basic types (str, bytes, datetime) in order to make algorithmic complexity attacks on (e.g.) web apps much more complicated. The environment variable PYTHONHASHSEED and the new command line flag -R control this behavior.
| | * Issue #13703: add a way to randomize the hash values of basic types (str, ↵Georg Brandl2012-02-201-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | bytes, datetime) in order to make algorithmic complexity attacks on (e.g.) web apps much more complicated. The environment variable PYTHONHASHSEED and the new command line flag -R control this behavior.
* | | Issue #12705: Raise SyntaxError when compiling multiple statements as single ↵Meador Inge2012-01-191-0/+3
| | | | | | | | | | | | interactive statement
* | | Fix a memory leak when initializing the standard I/O streams.Antoine Pitrou2012-01-181-1/+2
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| * | Fix a memory leak when initializing the standard I/O streams.Antoine Pitrou2012-01-181-1/+2
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* | | Issue #13645: pyc files now contain the size of the corresponding sourceAntoine Pitrou2012-01-131-0/+2
| | | | | | | | | | | | | | | code, to avoid timestamp collisions (especially on filesystems with a low timestamp resolution) when checking for freshness of the bytecode.
* | | Issue #13575: there is only one class type.Florent Xicluna2011-12-121-6/+1
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* | | Issue #7111: Python can now be run without a stdin, stdout or stderr stream.Antoine Pitrou2011-11-281-15/+16
|\ \ \ | |/ / | | | | | | | | | It was already the case with Python 2. However, the corresponding sys module entries are now set to None (instead of an unusable file object).
| * | Issue #7111: Python can now be run without a stdin, stdout or stderr stream.Antoine Pitrou2011-11-281-15/+16
| | | | | | | | | | | | | | | It was already the case with Python 2. However, the corresponding sys module entries are now set to None (instead of an unusable file object).
* | | Issue #13444: When stdout has been closed explicitly, we should not attempt ↵Antoine Pitrou2011-11-261-2/+18
|\ \ \ | |/ / | | | | | | | | | | | | to flush it at shutdown and print an error. This also adds a test for issue #5319, whose resolution introduced the issue.
| * | Issue #13444: When stdout has been closed explicitly, we should not attempt ↵Antoine Pitrou2011-11-261-2/+18
| | | | | | | | | | | | | | | | | | to flush it at shutdown and print an error. This also adds a test for issue #5319, whose resolution introduced the issue.
* | | print_exception() uses PyUnicode_GetLength() instead of PyUnicode_GetSize()Victor Stinner2011-11-201-1/+1
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* | | Issue #10227: Add an allocation cache for a single slice object.Antoine Pitrou2011-11-181-0/+1
| | | | | | | | | | | | Patch by Stefan Behnel.
* | | Issue #12281: Rewrite the MBCS codec to handle correctly replace and ignoreVictor Stinner2011-10-181-2/+3
| | | | | | | | | | | | | | | error handlers on all Windows versions. The MBCS codec is now supporting all error handlers, instead of only replace to encode and ignore to decode.
* | | Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.Martin v. Löwis2011-10-141-3/+6
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* | | Rename _Py_identifier to _Py_IDENTIFIER.Martin v. Löwis2011-10-141-16/+16
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* | | Use identifier API for PyObject_GetAttrString.Martin v. Löwis2011-10-101-10/+20
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* | | Add API for static strings, primarily good for identifiers.Martin v. Löwis2011-10-091-12/+18
| | | | | | | | | | | | Thanks to Konrad Schöbel and Jasper Schulz for helping with the mass-editing.
* | | - Issue #13021: Missing decref on an error path. Thanks to Suman Saha forBarry Warsaw2011-09-201-1/+3
|\ \ \ | |/ / | | | | | | finding the bug and providing a patch.
| * | - Issue #13021: Missing decref on an error path. Thanks to Suman Saha forBarry Warsaw2011-09-201-1/+3
| | | | | | | | | | | | finding the bug and providing a patch.
* | | Issue #9642: Fix filesystem encoding initialization: use the ANSI code page onVictor Stinner2011-07-041-15/+15
| | | | | | | | | | | | | | | | | | Windows if the mbcs codec is not available, and fail with a fatal error if we cannot get the locale encoding (if nl_langinfo(CODESET) is not available) instead of using UTF-8.
* | | print_exception(): handle correctly PyObject_GetAttrString() failureVictor Stinner2011-05-261-1/+1
| | | | | | | | | | | | Bug found by the Clang Static Analyzer.
* | | Merge #6498 fix from 3.2.Georg Brandl2011-05-151-1/+1
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| * | Merge #6498 fix from 3.1.Georg Brandl2011-05-151-1/+1
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| | * Closes #6498: fix several misspellings of "SystemExit" as "SystemError".Georg Brandl2011-05-151-1/+1
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| | * Merged revisions 85980 via svnmerge fromHirokazu Yamamoto2010-10-301-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r85980 | hirokazu.yamamoto | 2010-10-31 00:08:15 +0900 | 1 line Issue #10157: Fixed refleaks in pythonrun.c. Patch by Stefan Krah. ........
| | * Merged revisions 85817,85904 via svnmerge fromBenjamin Peterson2010-10-291-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r85817 | benjamin.peterson | 2010-10-23 22:41:46 -0500 (Sat, 23 Oct 2010) | 1 line tighten loop ........ r85904 | benjamin.peterson | 2010-10-28 22:28:14 -0500 (Thu, 28 Oct 2010) | 1 line decrement offset when it points to a newline (#10186 followup) ........
| | * Merged revisions 85814 via svnmerge fromBenjamin Peterson2010-10-241-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r85814 | benjamin.peterson | 2010-10-23 21:52:05 -0500 (Sat, 23 Oct 2010) | 1 line remove broken code accounting an offset the size of the line #10186 ........
| | * Issue #10077: Fix logging of site module errors at startup.Victor Stinner2010-10-231-1/+4
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| | * Recorded merge of revisions 85569-85570 via svnmerge fromVictor Stinner2010-10-191-3/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r85569 | victor.stinner | 2010-10-16 15:14:10 +0200 (sam., 16 oct. 2010) | 4 lines Issue #9713, #10114: Parser functions (eg. PyParser_ASTFromFile) expects filenames encoded to the filesystem encoding with surrogateescape error handler (to support undecodable bytes), instead of UTF-8 in strict mode. ........ r85570 | victor.stinner | 2010-10-16 15:42:53 +0200 (sam., 16 oct. 2010) | 4 lines Fix ast_error_finish() and err_input(): filename can be NULL Fix my previous commit (r85569). ........
| | * Merged revisions 83854 via svnmerge fromAntoine Pitrou2010-08-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r83854 | antoine.pitrou | 2010-08-08 22:46:42 +0200 (dim., 08 août 2010) | 4 lines Issue #5319: Print an error if flushing stdout fails at interpreter shutdown. ........
| | * Merged revisions 82059,82061 via svnmerge fromVictor Stinner2010-06-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r82059 | victor.stinner | 2010-06-18 01:08:50 +0200 (ven., 18 juin 2010) | 5 lines Issue #6543: Write the traceback in the terminal encoding instead of utf-8. Fix the encoding of the modules filename. Reindent also traceback.h, just because I hate tabs :-) ........ r82061 | victor.stinner | 2010-06-18 01:17:37 +0200 (ven., 18 juin 2010) | 2 lines Issue #6543: Mention the author of the patch, Amaury Forgeot d'Arc ........
| | * Merged revisions 81844 via svnmerge fromVictor Stinner2010-06-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r81844 | victor.stinner | 2010-06-08 23:00:13 +0200 (mar., 08 juin 2010) | 6 lines Py_FatalError(): don't sys sys.last_xxx variables Call PyErr_PrintEx(0) instead of PyErr_Print() to avoid a crash if Py_FatalError() is called in an early stage of Python initialization (if PySys is not yet initialized). ........
| | * Recorded merge of revisions 81364 via svnmerge fromVictor Stinner2010-05-201-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r81364 | victor.stinner | 2010-05-19 22:40:50 +0200 (mer., 19 mai 2010) | 3 lines Issue #8766: Initialize _warnings module before importing the first module. Fix a crash if an empty directory called "encodings" exists in sys.path. ........
| | * Merged revisions 81250-81253 via svnmerge fromVictor Stinner2010-05-171-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r81250 | victor.stinner | 2010-05-17 03:13:37 +0200 (lun., 17 mai 2010) | 2 lines Issue #6697: Fix a crash if code of "python -c code" contains surrogates ........ r81251 | victor.stinner | 2010-05-17 03:26:01 +0200 (lun., 17 mai 2010) | 3 lines PyObject_Dump() encodes unicode objects to utf8 with backslashreplace (instead of strict) error handler to escape surrogates ........ r81252 | victor.stinner | 2010-05-17 10:58:51 +0200 (lun., 17 mai 2010) | 6 lines handle_system_exit() flushs files to warranty the output order PyObject_Print() writes into the C object stderr, whereas PySys_WriteStderr() writes into the Python object sys.stderr. Each object has its own buffer, so call sys.stderr.flush() and fflush(stderr). ........ r81253 | victor.stinner | 2010-05-17 11:33:42 +0200 (lun., 17 mai 2010) | 6 lines Fix refleak in internal_print() introduced by myself in r81251 _PyUnicode_AsDefaultEncodedString() uses a magical PyUnicode attribute to automatically destroy PyUnicode_EncodeUTF8() result when the unicode string is destroyed. ........
| | * Merged revisions 81156 via svnmerge fromVictor Stinner2010-05-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r81156 | victor.stinner | 2010-05-14 02:59:09 +0200 (ven., 14 mai 2010) | 5 lines Issue #4653: fix typo in flush_std_files() Don't call sys.stderr.flush() if sys has no stderr attribute or if sys.stderr==None. ........
| | * Recorded merge of revisions 81032 via svnmerge fromAntoine Pitrou2010-05-091-1642/+1642
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ................ r81032 | antoine.pitrou | 2010-05-09 17:52:27 +0200 (dim., 09 mai 2010) | 9 lines Recorded merge of revisions 81029 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines Untabify C files. Will watch buildbots. ........ ................
| | * Merged revisions 81016 via svnmerge fromJean-Paul Calderone2010-05-091-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ................ r81016 | jean-paul.calderone | 2010-05-08 23:18:57 -0400 (Sat, 08 May 2010) | 9 lines Merged revisions 81007 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r81007 | jean-paul.calderone | 2010-05-08 16:06:02 -0400 (Sat, 08 May 2010) | 1 line Skip signal handler re-installation if it is not necessary. Issue 8354. ........ ................
| | * Revert my change on initsite(): don't change import site error handler in 3.1,Victor Stinner2010-03-211-4/+14
| | | | | | | | | | | | as I did for 2.6. But fix the other bugs :-)
| | * Merged revisions 78872 via svnmerge fromVictor Stinner2010-03-211-16/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ................ r78872 | victor.stinner | 2010-03-12 15:45:56 +0100 (ven., 12 mars 2010) | 12 lines Merged revisions 78826 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78826 | victor.stinner | 2010-03-10 23:30:19 +0100 (mer., 10 mars 2010) | 5 lines Issue #3137: Don't ignore errors at startup, especially a keyboard interrupt (SIGINT). If an error occurs while importing the site module, the error is printed and Python exits. Initialize the GIL before importing the site module. ........ ................
| | * Merged revisions 76573 via svnmerge fromAntoine Pitrou2009-11-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r76573 | antoine.pitrou | 2009-11-28 17:12:28 +0100 (sam., 28 nov. 2009) | 3 lines Issue #4486: When an exception has an explicit cause, do not print its implicit context too. ........
| | * Merged revisions 75571,75576-75577 via svnmerge fromAntoine Pitrou2009-10-201-0/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/branches/py3k ................ r75571 | antoine.pitrou | 2009-10-20 23:52:47 +0200 (mar., 20 oct. 2009) | 11 lines Merged revisions 75570 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r75570 | antoine.pitrou | 2009-10-20 23:29:37 +0200 (mar., 20 oct. 2009) | 6 lines Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which fixes the problem of some exceptions being thrown at shutdown when the interpreter is killed. Patch by Adam Olsen. ........ ................ r75576 | antoine.pitrou | 2009-10-21 00:02:29 +0200 (mer., 21 oct. 2009) | 10 lines Merged revisions 75574 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r75574 | antoine.pitrou | 2009-10-20 23:59:25 +0200 (mar., 20 oct. 2009) | 4 lines Test wouldn't work in debug mode. We probably need a function in test_support to handle this. ........ ................ r75577 | antoine.pitrou | 2009-10-21 00:05:38 +0200 (mer., 21 oct. 2009) | 3 lines Another futile error in the previous commit :-( ................
* | | faulthandler: dump all threads by defaultVictor Stinner2011-05-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Set the default value of all_threads arguments to True * Py_FatalError() dumps all threads, instead of only the current thread Dump only the current thread is not reliable. In some cases, Python is unable to retrieve the state of the current thread and so is unable to dump the traceback. faulthandler keeps a reference to the interpreter and so is always able to dump the traceback of all threads.
* | | Issue #1856: Avoid crashes and lockups when daemon threads run while theAntoine Pitrou2011-05-041-4/+11
|\ \ \ | |/ / | | | | | | | | | interpreter is shutting down; instead, these threads are now killed when they try to take the GIL.
| * | Issue #1856: Avoid crashes and lockups when daemon threads run while theAntoine Pitrou2011-05-041-4/+11
| | | | | | | | | | | | | | | interpreter is shutting down; instead, these threads are now killed when they try to take the GIL.
| * | Issue #10914: Initialize correctly the filesystem codec when creating a newVictor Stinner2011-04-261-8/+15
| | | | | | | | | | | | | | | | | | | | | subinterpreter to fix a bootstrap issue with codecs implemented in Python, as the ISO-8859-15 codec. Add fscodec_initialized attribute to the PyInterpreterState structure.
generated by cgit v0.12 at 2025-05-01 08:40:36 (GMT)
>; if (strm->avail_in) { memcpy(state->x.next, strm->next_in, strm->avail_in); state->x.have = strm->avail_in; strm->avail_in = 0; } state->how = COPY; state->direct = 1; return 0; } /* Decompress from input to the provided next_out and avail_out in the state. On return, state->x.have and state->x.next point to the just decompressed data. If the gzip stream completes, state->how is reset to LOOK to look for the next gzip stream or raw data, once state->x.have is depleted. Returns 0 on success, -1 on failure. */ local int gz_decomp(state) gz_statep state; { int ret = Z_OK; unsigned had; z_streamp strm = &(state->strm); /* fill output buffer up to end of deflate stream */ had = strm->avail_out; do { /* get more input for inflate() */ if (strm->avail_in == 0 && gz_avail(state) == -1) return -1; if (strm->avail_in == 0) { gz_error(state, Z_BUF_ERROR, "unexpected end of file"); break; } /* decompress and handle errors */ ret = inflate(strm, Z_NO_FLUSH); if (ret == Z_STREAM_ERROR || ret == Z_NEED_DICT) { gz_error(state, Z_STREAM_ERROR, "internal error: inflate stream corrupt"); return -1; } if (ret == Z_MEM_ERROR) { gz_error(state, Z_MEM_ERROR, "out of memory"); return -1; } if (ret == Z_DATA_ERROR) { /* deflate stream invalid */ gz_error(state, Z_DATA_ERROR, strm->msg == NULL ? "compressed data error" : strm->msg); return -1; } } while (strm->avail_out && ret != Z_STREAM_END); /* update available output */ state->x.have = had - strm->avail_out; state->x.next = strm->next_out - state->x.have; /* if the gzip stream completed successfully, look for another */ if (ret == Z_STREAM_END) state->how = LOOK; /* good decompression */ return 0; } /* Fetch data and put it in the output buffer. Assumes state->x.have is 0. Data is either copied from the input file or decompressed from the input file depending on state->how. If state->how is LOOK, then a gzip header is looked for to determine whether to copy or decompress. Returns -1 on error, otherwise 0. gz_fetch() will leave state->how as COPY or GZIP unless the end of the input file has been reached and all data has been processed. */ local int gz_fetch(state) gz_statep state; { z_streamp strm = &(state->strm); do { switch(state->how) { case LOOK: /* -> LOOK, COPY (only if never GZIP), or GZIP */ if (gz_look(state) == -1) return -1; if (state->how == LOOK) return 0; break; case COPY: /* -> COPY */ if (gz_load(state, state->out, state->size << 1, &(state->x.have)) == -1) return -1; state->x.next = state->out; return 0; case GZIP: /* -> GZIP or LOOK (if end of gzip stream) */ strm->avail_out = state->size << 1; strm->next_out = state->out; if (gz_decomp(state) == -1) return -1; } } while (state->x.have == 0 && (!state->eof || strm->avail_in)); return 0; } /* Skip len uncompressed bytes of output. Return -1 on error, 0 on success. */ local int gz_skip(state, len) gz_statep state; z_off64_t len; { unsigned n; /* skip over len bytes or reach end-of-file, whichever comes first */ while (len) /* skip over whatever is in output buffer */ if (state->x.have) { n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > len ? (unsigned)len : state->x.have; state->x.have -= n; state->x.next += n; state->x.pos += n; len -= n; } /* output buffer empty -- return if we're at the end of the input */ else if (state->eof && state->strm.avail_in == 0) break; /* need more data to skip -- load up output buffer */ else { /* get more output, looking for header if required */ if (gz_fetch(state) == -1) return -1; } return 0; } /* -- see zlib.h -- */ int ZEXPORT gzread(file, buf, len) gzFile file; voidp buf; unsigned len; { unsigned got, n; gz_statep state; z_streamp strm; /* get internal structure */ if (file == NULL) return -1; state = (gz_statep)file; strm = &(state->strm); /* check that we're reading and that there's no (serious) error */ if (state->mode != GZ_READ || (state->err != Z_OK && state->err != Z_BUF_ERROR)) return -1; /* since an int is returned, make sure len fits in one, otherwise return with an error (this avoids the flaw in the interface) */ if ((int)len < 0) { gz_error(state, Z_DATA_ERROR, "requested length does not fit in int"); return -1; } /* if len is zero, avoid unnecessary operations */ if (len == 0) return 0; /* process a skip request */ if (state->seek) { state->seek = 0; if (gz_skip(state, state->skip) == -1) return -1; } /* get len bytes to buf, or less than len if at the end */ got = 0; do { /* first just try copying data from the output buffer */ if (state->x.have) { n = state->x.have > len ? len : state->x.have; memcpy(buf, state->x.next, n); state->x.next += n; state->x.have -= n; } /* output buffer empty -- return if we're at the end of the input */ else if (state->eof && strm->avail_in == 0) { state->past = 1; /* tried to read past end */ break; } /* need output data -- for small len or new stream load up our output buffer */ else if (state->how == LOOK || len < (state->size << 1)) { /* get more output, looking for header if required */ if (gz_fetch(state) == -1) return -1; continue; /* no progress yet -- go back to copy above */ /* the copy above assures that we will leave with space in the output buffer, allowing at least one gzungetc() to succeed */ } /* large len -- read directly into user buffer */ else if (state->how == COPY) { /* read directly */ if (gz_load(state, (unsigned char *)buf, len, &n) == -1) return -1; } /* large len -- decompress directly into user buffer */ else { /* state->how == GZIP */ strm->avail_out = len; strm->next_out = (unsigned char *)buf; if (gz_decomp(state) == -1) return -1; n = state->x.have; state->x.have = 0; } /* update progress */ len -= n; buf = (char *)buf + n; got += n; state->x.pos += n; } while (len); /* return number of bytes read into user buffer (will fit in int) */ return (int)got; } /* -- see zlib.h -- */ #ifdef Z_PREFIX_SET # undef z_gzgetc #else # undef gzgetc #endif int ZEXPORT gzgetc(file) gzFile file; { int ret; unsigned char buf[1]; gz_statep state; /* get internal structure */ if (file == NULL) return -1; state = (gz_statep)file; /* check that we're reading and that there's no (serious) error */ if (state->mode != GZ_READ || (state->err != Z_OK && state->err != Z_BUF_ERROR)) return -1; /* try output buffer (no need to check for skip request) */ if (state->x.have) { state->x.have--; state->x.pos++; return *(state->x.next)++; } /* nothing there -- try gzread() */ ret = gzread(file, buf, 1); return ret < 1 ? -1 : buf[0]; } int ZEXPORT gzgetc_(file) gzFile file; { return gzgetc(file); } /* -- see zlib.h -- */ int ZEXPORT gzungetc(c, file) int c; gzFile file; { gz_statep state; /* get internal structure */ if (file == NULL) return -1; state = (gz_statep)file; /* check that we're reading and that there's no (serious) error */ if (state->mode != GZ_READ || (state->err != Z_OK && state->err != Z_BUF_ERROR)) return -1; /* process a skip request */ if (state->seek) { state->seek = 0; if (gz_skip(state, state->skip) == -1) return -1; } /* can't push EOF */ if (c < 0) return -1; /* if output buffer empty, put byte at end (allows more pushing) */ if (state->x.have == 0) { state->x.have = 1; state->x.next = state->out + (state->size << 1) - 1; state->x.next[0] = c; state->x.pos--; state->past = 0; return c; } /* if no room, give up (must have already done a gzungetc()) */ if (state->x.have == (state->size << 1)) { gz_error(state, Z_DATA_ERROR, "out of room to push characters"); return -1; } /* slide output data if needed and insert byte before existing data */ if (state->x.next == state->out) { unsigned char *src = state->out + state->x.have; unsigned char *dest = state->out + (state->size << 1); while (src > state->out) *--dest = *--src; state->x.next = dest; } state->x.have++; state->x.next--; state->x.next[0] = c; state->x.pos--; state->past = 0; return c; } /* -- see zlib.h -- */ char * ZEXPORT gzgets(file, buf, len) gzFile file; char *buf; int len; { unsigned left, n; char *str; unsigned char *eol; gz_statep state; /* check parameters and get internal structure */ if (file == NULL || buf == NULL || len < 1) return NULL; state = (gz_statep)file; /* check that we're reading and that there's no (serious) error */ if (state->mode != GZ_READ || (state->err != Z_OK && state->err != Z_BUF_ERROR)) return NULL; /* process a skip request */ if (state->seek) { state->seek = 0; if (gz_skip(state, state->skip) == -1) return NULL; } /* copy output bytes up to new line or len - 1, whichever comes first -- append a terminating zero to the string (we don't check for a zero in the contents, let the user worry about that) */ str = buf; left = (unsigned)len - 1; if (left) do { /* assure that something is in the output buffer */ if (state->x.have == 0 && gz_fetch(state) == -1) return NULL; /* error */ if (state->x.have == 0) { /* end of file */ state->past = 1; /* read past end */ break; /* return what we have */ } /* look for end-of-line in current output buffer */ n = state->x.have > left ? left : state->x.have; eol = (unsigned char *)memchr(state->x.next, '\n', n); if (eol != NULL) n = (unsigned)(eol - state->x.next) + 1; /* copy through end-of-line, or remainder if not found */ memcpy(buf, state->x.next, n); state->x.have -= n; state->x.next += n; state->x.pos += n; left -= n; buf += n; } while (left && eol == NULL); /* return terminated string, or if nothing, end of file */ if (buf == str) return NULL; buf[0] = 0; return str; } /* -- see zlib.h -- */ int ZEXPORT gzdirect(file) gzFile file; { gz_statep state; /* get internal structure */ if (file == NULL) return 0; state = (gz_statep)file; /* if the state is not known, but we can find out, then do so (this is mainly for right after a gzopen() or gzdopen()) */ if (state->mode == GZ_READ && state->how == LOOK && state->x.have == 0) (void)gz_look(state); /* return 1 if transparent, 0 if processing a gzip stream */ return state->direct; } /* -- see zlib.h -- */ int ZEXPORT gzclose_r(file) gzFile file; { int ret, err; gz_statep state; /* get internal structure */ if (file == NULL) return Z_STREAM_ERROR; state = (gz_statep)file; /* check that we're reading */ if (state->mode != GZ_READ) return Z_STREAM_ERROR; /* free memory and close file */ if (state->size) { inflateEnd(&(state->strm)); free(state->out); free(state->in); } err = state->err == Z_BUF_ERROR ? Z_BUF_ERROR : Z_OK; gz_error(state, Z_OK, NULL); free(state->path); ret = close(state->fd); free(state); return ret ? Z_ERRNO : err; }
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