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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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✓✓ |
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for (i = 0; i < argc; i++) { |
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arglen = strlen(copy_argv[i]); |
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✓✗✗✓
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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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✓✗ |
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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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✓✗ |
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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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✗✓ |
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if (--cmdlist->references != 0) |
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return; |
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✓✓ |
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TAILQ_FOREACH_SAFE(cmd, &cmdlist->list, qentry, cmd1) { |
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✗✓ |
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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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} |