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			141 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * clippy (CLI preparator in python) main executable
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 * Copyright (C) 2016-2017  David Lamparter for NetDEF, Inc.
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 *
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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License as published by the Free
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 * Software Foundation; either version 2 of the License, or (at your option)
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 * any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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 * more details.
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 *
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 * You should have received a copy of the GNU General Public License along
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 * with this program; see the file COPYING; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include "config.h"
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#include <Python.h>
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#include <string.h>
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#include <stdlib.h>
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#include <wchar.h>
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#include "getopt.h"
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#include "command_graph.h"
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#include "clippy.h"
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#if PY_MAJOR_VERSION >= 3
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#define pychar wchar_t
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static wchar_t *wconv(const char *s)
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{
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	size_t outlen = s ? mbstowcs(NULL, s, 0) : 0;
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	wchar_t *out = malloc((outlen + 1) * sizeof(wchar_t));
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	if (outlen > 0)
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		mbstowcs(out, s, outlen);
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	out[outlen] = 0;
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	return out;
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}
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#else
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#define pychar char
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#define wconv(x) x
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#endif
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int main(int argc, char **argv)
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{
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	pychar **wargv;
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#if PY_VERSION_HEX >= 0x03040000 /* 3.4 */
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	Py_SetStandardStreamEncoding("UTF-8", NULL);
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#endif
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	Py_SetProgramName(wconv(argv[0]));
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	PyImport_AppendInittab("_clippy", command_py_init);
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	Py_Initialize();
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	wargv = malloc(argc * sizeof(pychar *));
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	for (int i = 1; i < argc; i++)
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		wargv[i - 1] = wconv(argv[i]);
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	PySys_SetArgv(argc - 1, wargv);
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	const char *pyfile = argc > 1 ? argv[1] : NULL;
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	FILE *fp;
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	if (pyfile) {
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		fp = fopen(pyfile, "r");
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		if (!fp) {
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			fprintf(stderr, "%s: %s\n", pyfile, strerror(errno));
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			return 1;
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		}
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	} else {
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		fp = stdin;
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		char *ver = strdup(Py_GetVersion());
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		char *cr = strchr(ver, '\n');
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		if (cr)
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			*cr = ' ';
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		fprintf(stderr, "clippy interactive shell\n(Python %s)\n", ver);
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		free(ver);
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		PyRun_SimpleString(
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			"import rlcompleter, readline\n"
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			"readline.parse_and_bind('tab: complete')");
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	}
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	if (PyRun_AnyFile(fp, pyfile)) {
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		if (PyErr_Occurred())
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			PyErr_Print();
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		else
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			printf("unknown python failure (?)\n");
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		return 1;
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	}
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	Py_Finalize();
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#if PY_MAJOR_VERSION >= 3
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	for (int i = 1; i < argc; i++)
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		free(wargv[i - 1]);
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#endif
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	free(wargv);
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	return 0;
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}
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/* and now for the ugly part... provide simplified logging functions so we
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 * don't need to link libzebra (which would be a circular build dep) */
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#ifdef __ASSERT_FUNCTION
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#undef __ASSERT_FUNCTION
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#endif
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#include "log.h"
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#include "zassert.h"
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#define ZLOG_FUNC(FUNCNAME)                                                    \
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	void FUNCNAME(const char *format, ...)                                 \
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	{                                                                      \
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		va_list args;                                                  \
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		va_start(args, format);                                        \
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		vfprintf(stderr, format, args);                                \
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		fputs("\n", stderr);                                           \
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		va_end(args);                                                  \
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	}
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ZLOG_FUNC(zlog_err)
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ZLOG_FUNC(zlog_warn)
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ZLOG_FUNC(zlog_info)
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ZLOG_FUNC(zlog_notice)
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ZLOG_FUNC(zlog_debug)
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void _zlog_assert_failed(const char *assertion, const char *file,
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			 unsigned int line, const char *function)
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{
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	fprintf(stderr,
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		"Assertion `%s' failed in file %s, line %u, function %s",
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		assertion, file, line, (function ? function : "?"));
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	abort();
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}
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void memory_oom(size_t size, const char *name)
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{
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	abort();
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}
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