Mercurial > hg
annotate contrib/fuzz/dirs.cc @ 45587:768412472663
merge: store cases when a file is absent post merge in commitinfo
Some merges can result in file being absent form working directory. This can be
one of file was kept deleted or file was removed by merge code.
User might revert the file back before committing. In such cases we will like to
have better handling and create new filenodes.
We store this info in mergestate as commitinfo so that we can use it while
committing to create new filenode if required.
Differential Revision: https://phab.mercurial-scm.org/D9003
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Mon, 24 Aug 2020 15:35:34 +0530 |
parents | 8766728dbce6 |
children |
rev | line source |
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43150 | 1 #include <Python.h> |
2 #include <assert.h> | |
3 #include <stdlib.h> | |
4 #include <unistd.h> | |
5 | |
6 #include "pyutil.h" | |
7 | |
8 #include <string> | |
9 | |
10 extern "C" { | |
11 | |
43859
8766728dbce6
fuzz: add support for fuzzing under either Python 2 or 3
Augie Fackler <augie@google.com>
parents:
43150
diff
changeset
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12 static PYCODETYPE *code; |
43150 | 13 |
14 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) | |
15 { | |
16 contrib::initpy(*argv[0]); | |
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fuzz: add support for fuzzing under either Python 2 or 3
Augie Fackler <augie@google.com>
parents:
43150
diff
changeset
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17 code = (PYCODETYPE *)Py_CompileString(R"py( |
43150 | 18 try: |
19 files = mdata.split('\n') | |
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fuzz: add support for fuzzing under either Python 2 or 3
Augie Fackler <augie@google.com>
parents:
43150
diff
changeset
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20 d = parsers.dirs(files) |
43150 | 21 list(d) |
22 'a' in d | |
23 if files: | |
24 files[0] in d | |
25 except Exception as e: | |
26 pass | |
27 # uncomment this print if you're editing this Python code | |
28 # to debug failures. | |
29 # print e | |
30 )py", | |
43859
8766728dbce6
fuzz: add support for fuzzing under either Python 2 or 3
Augie Fackler <augie@google.com>
parents:
43150
diff
changeset
|
31 "fuzzer", Py_file_input); |
43150 | 32 return 0; |
33 } | |
34 | |
35 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) | |
36 { | |
37 // Don't allow fuzzer inputs larger than 100k, since we'll just bog | |
38 // down and not accomplish much. | |
39 if (Size > 100000) { | |
40 return 0; | |
41 } | |
42 PyObject *mtext = | |
43 PyBytes_FromStringAndSize((const char *)Data, (Py_ssize_t)Size); | |
44 PyObject *locals = PyDict_New(); | |
45 PyDict_SetItemString(locals, "mdata", mtext); | |
46 PyObject *res = PyEval_EvalCode(code, contrib::pyglobals(), locals); | |
47 if (!res) { | |
48 PyErr_Print(); | |
49 } | |
50 Py_XDECREF(res); | |
51 Py_DECREF(locals); | |
52 Py_DECREF(mtext); | |
53 return 0; // Non-zero return values are reserved for future use. | |
54 } | |
55 } |