GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/tmux/cmd-list.c Lines: 23 49 46.9 %
Date: 2017-11-07 Branches: 10 28 35.7 %

Line Branch Exec Source
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/* $OpenBSD: cmd-list.c,v 1.16 2016/01/19 15:59:12 nicm Exp $ */
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/*
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 * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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struct cmd_list *
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cmd_list_parse(int argc, char **argv, const char *file, u_int line,
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    char **cause)
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{
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	struct cmd_list	*cmdlist;
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	struct cmd	*cmd;
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	int		 i, lastsplit;
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	size_t		 arglen, new_argc;
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	char	       **copy_argv, **new_argv;
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	copy_argv = cmd_copy_argv(argc, argv);
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	cmdlist = xcalloc(1, sizeof *cmdlist);
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	cmdlist->references = 1;
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	TAILQ_INIT(&cmdlist->list);
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	lastsplit = 0;
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	for (i = 0; i < argc; i++) {
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		arglen = strlen(copy_argv[i]);
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		if (arglen == 0 || copy_argv[i][arglen - 1] != ';')
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			continue;
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		copy_argv[i][arglen - 1] = '\0';
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		if (arglen > 1 && copy_argv[i][arglen - 2] == '\\') {
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			copy_argv[i][arglen - 2] = ';';
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			continue;
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		}
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		new_argc = i - lastsplit;
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		new_argv = copy_argv + lastsplit;
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		if (arglen != 1)
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			new_argc++;
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		cmd = cmd_parse(new_argc, new_argv, file, line, cause);
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		if (cmd == NULL)
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			goto bad;
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		TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry);
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		lastsplit = i + 1;
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	}
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	if (lastsplit != argc) {
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		cmd = cmd_parse(argc - lastsplit, copy_argv + lastsplit,
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		    file, line, cause);
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		if (cmd == NULL)
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			goto bad;
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		TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry);
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	}
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	cmd_free_argv(argc, copy_argv);
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	return (cmdlist);
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bad:
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	cmd_list_free(cmdlist);
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	cmd_free_argv(argc, copy_argv);
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	return (NULL);
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}
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void
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cmd_list_free(struct cmd_list *cmdlist)
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{
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	struct cmd	*cmd, *cmd1;
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	if (--cmdlist->references != 0)
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		return;
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	TAILQ_FOREACH_SAFE(cmd, &cmdlist->list, qentry, cmd1) {
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		TAILQ_REMOVE(&cmdlist->list, cmd, qentry);
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		args_free(cmd->args);
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		free(cmd->file);
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		free(cmd);
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	}
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	free(cmdlist);
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}
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char *
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cmd_list_print(struct cmd_list *cmdlist)
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{
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	struct cmd	*cmd;
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	char		*buf, *this;
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	size_t		 len;
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	len = 1;
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	buf = xcalloc(1, len);
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	TAILQ_FOREACH(cmd, &cmdlist->list, qentry) {
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		this = cmd_print(cmd);
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		len += strlen(this) + 3;
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		buf = xrealloc(buf, len);
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		strlcat(buf, this, len);
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		if (TAILQ_NEXT(cmd, qentry) != NULL)
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			strlcat(buf, " ; ", len);
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		free(this);
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	}
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	return (buf);
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}