upstream/mercurial-mirror Files · contrib/fuzz/pyutil.cc

narrow: make dirstateguard back up and restore working copy narrowspec instead...

narrow: make dirstateguard back up and restore working copy narrowspec instead We used to have only one narrowspec for the store and the working copy, but now that we have one narrowspec for each, it seems clear that the dirstateguard was supposed to back up and restore the narrowspec associated with the working copy, not the one associated with the store. clearbackup() (for the store narrowspec) is not needed because the presence of the file in localrepository._journalfiles() takes care of that. Differential Revision: https://phab.mercurial-scm.org/D5504

Augie Fackler - - Load All Authors

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             pyutil.cc
        
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      #include "pyutil.h"

      #include <string>

      namespace contrib

      {

      static char cpypath[8192] = "\0";

      static PyObject *mainmod;

      static PyObject *globals;

      /* TODO: use Python 3 for this fuzzing? */

      PyMODINIT_FUNC initparsers(void);

      void initpy(const char *cselfpath)

      {

      	const std::string subdir = "/sanpy/lib/python2.7";

      	/* HACK ALERT: we need a full Python installation built without

      	   pymalloc and with ASAN, so we dump one in

      	   $OUT/sanpy/lib/python2.7. This helps us wire that up. */

      	std::string selfpath(cselfpath);

      	std::string pypath;

      	auto pos = selfpath.rfind("/");

      	if (pos == std::string::npos) {

      		char wd[8192];

      		getcwd(wd, 8192);

      		pypath = std::string(wd) + subdir;

      	} else {

      		pypath = selfpath.substr(0, pos) + subdir;

      	}

      	strncpy(cpypath, pypath.c_str(), pypath.size());

      	setenv("PYTHONPATH", cpypath, 1);

      	setenv("PYTHONNOUSERSITE", "1", 1);

      	/* prevent Python from looking up users in the fuzz environment */

      	setenv("PYTHONUSERBASE", cpypath, 1);

      	Py_SetPythonHome(cpypath);

      	Py_InitializeEx(0);

      	mainmod = PyImport_AddModule("__main__");

      	globals = PyModule_GetDict(mainmod);

      	initparsers();

      }

      PyObject *pyglobals()

      {

      	return globals;

      }

      } // namespace contrib

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				#include "pyutil.h"

				#include <string>

				namespace contrib
				{

				static char cpypath[8192] = "\0";

				static PyObject *mainmod;
				static PyObject *globals;

				/* TODO: use Python 3 for this fuzzing? */
				PyMODINIT_FUNC initparsers(void);

				void initpy(const char *cselfpath)
				{
				const std::string subdir = "/sanpy/lib/python2.7";
				/* HACK ALERT: we need a full Python installation built without
				pymalloc and with ASAN, so we dump one in
				$OUT/sanpy/lib/python2.7. This helps us wire that up. */
				std::string selfpath(cselfpath);
				std::string pypath;
				auto pos = selfpath.rfind("/");
				if (pos == std::string::npos) {
				char wd[8192];
				getcwd(wd, 8192);
				pypath = std::string(wd) + subdir;
				} else {
				pypath = selfpath.substr(0, pos) + subdir;
				}
				strncpy(cpypath, pypath.c_str(), pypath.size());
				setenv("PYTHONPATH", cpypath, 1);
				setenv("PYTHONNOUSERSITE", "1", 1);
				/* prevent Python from looking up users in the fuzz environment */
				setenv("PYTHONUSERBASE", cpypath, 1);
				Py_SetPythonHome(cpypath);
				Py_InitializeEx(0);
				mainmod = PyImport_AddModule("__main__");
				globals = PyModule_GetDict(mainmod);
				initparsers();
				}

				PyObject *pyglobals()
				{
				return globals;
				}

				} // namespace contrib