299 lines
6.9 KiB
C
299 lines
6.9 KiB
C
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/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/*
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* LADI Session Handler (ladish)
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*
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* Copyright (C) 2010 Nedko Arnaudov <nedko@arnaudov.name>
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*
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**************************************************************************
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* This file contains the parts of room object implementation
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* that are related to project save functionality
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**************************************************************************
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*
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* LADI Session Handler is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* LADI Session Handler is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
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* or write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "room_internal.h"
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#include "../catdup.h"
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#include "save.h"
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#define PROJECT_HEADER_TEXT BASE_NAME " Project.\n"
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static bool ladish_room_save_project_do(struct ladish_room * room_ptr)
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{
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bool ret;
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time_t timestamp;
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char timestamp_str[26];
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char uuid_str[37];
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char * filename;
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char * bak_filename;
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int fd;
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log_info("Saving project '%s' in room '%s' to '%s'", room_ptr->project_name, room_ptr->name, room_ptr->project_dir);
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time(×tamp);
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ctime_r(×tamp, timestamp_str);
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timestamp_str[24] = 0;
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ret = false;
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uuid_generate(room_ptr->project_uuid); /* TODO: the uuid should be changed on "save as" but not on "rename" */
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uuid_unparse(room_ptr->project_uuid, uuid_str);
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filename = catdup(room_ptr->project_dir, LADISH_PROJECT_FILENAME);
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if (filename == NULL)
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{
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log_error("catdup() failed to compose project xml filename");
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goto exit;
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}
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bak_filename = catdup(filename, ".bak");
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if (bak_filename == NULL)
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{
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log_error("catdup() failed to compose project xml backup filename");
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goto free_filename;
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}
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fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, 0666);
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if (fd == -1)
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{
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log_error("open(%s) failed: %d (%s)", filename, errno, strerror(errno));
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goto free_bak_filename;
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}
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if (!ladish_write_string(fd, "<?xml version=\"1.0\"?>\n"))
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{
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goto close;
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}
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if (!ladish_write_string(fd, "<!--\n"))
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{
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goto close;
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}
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if (!ladish_write_string(fd, PROJECT_HEADER_TEXT))
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{
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goto close;
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}
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if (!ladish_write_string(fd, "-->\n"))
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{
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goto close;
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}
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if (!ladish_write_string(fd, "<!-- "))
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{
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goto close;
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}
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if (!ladish_write_string(fd, timestamp_str))
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{
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goto close;
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}
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if (!ladish_write_string(fd, " -->\n"))
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{
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goto close;
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}
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if (!ladish_write_string(fd, "<project name=\""))
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{
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goto close;
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}
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if (!ladish_write_string(fd, room_ptr->project_name)) /* TODO: escaping */
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{
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return false;
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}
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if (!ladish_write_string(fd, "\" uuid=\""))
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{
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return false;
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}
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if (!ladish_write_string(fd, uuid_str))
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{
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return false;
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}
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if (!ladish_write_string(fd, "\">\n"))
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{
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goto close;
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}
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if (!ladish_write_indented_string(fd, 1, "<room>\n"))
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{
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goto close;
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}
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if (!ladish_write_room_link_ports(fd, 2, (ladish_room_handle)room_ptr))
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{
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log_error("ladish_write_room_link_ports() failed");
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return false;
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}
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if (!ladish_write_indented_string(fd, 1, "</room>\n"))
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{
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goto close;
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}
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if (!ladish_write_vgraph(fd, 1, room_ptr->graph, room_ptr->app_supervisor))
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{
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log_error("ladish_write_vgraph() failed for studio");
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goto close;
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}
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if (!ladish_write_dict(fd, 1, ladish_graph_get_dict(room_ptr->graph)))
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{
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goto close;
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}
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if (!ladish_write_string(fd, "</project>\n"))
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{
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goto close;
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}
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ret = true;
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close:
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close(fd);
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free_bak_filename:
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free(bak_filename);
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free_filename:
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free(filename);
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exit:
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return ret;
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}
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#define room_ptr ((struct ladish_room *)room_handle)
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bool
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ladish_room_save_project(
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ladish_room_handle room_handle,
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const char * project_dir_param,
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const char * project_name_param)
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{
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bool first_time;
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bool dir_supplied;
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bool name_supplied;
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char * project_dir;
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char * project_name;
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char * old_project_dir;
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char * old_project_name;
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bool ret;
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ret = false;
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project_name = NULL;
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project_dir = NULL;
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/* project has either both name and dir no none of them */
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ASSERT((room_ptr->project_dir == NULL && room_ptr->project_name == NULL) || (room_ptr->project_dir != NULL && room_ptr->project_name != NULL));
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first_time = room_ptr->project_dir == NULL;
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dir_supplied = strlen(project_dir_param) != 0;
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name_supplied = strlen(project_name_param) != 0;
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if (first_time)
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{
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if (!dir_supplied && !name_supplied)
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{
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log_error("Cannot save unnamed project in room '%s'", room_ptr->name);
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goto exit;
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}
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if (dir_supplied && name_supplied)
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{
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project_dir = strdup(project_dir_param);
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project_name = strdup(project_name_param);
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}
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else if (dir_supplied)
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{
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ASSERT(!name_supplied);
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/* TODO */
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log_error("Deducing project name from project dir is not implemented yet");
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goto exit;
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}
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else if (name_supplied)
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{
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ASSERT(!dir_supplied);
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/* TODO */
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log_error("Deducing project dir from project name is not implemented yet");
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goto exit;
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}
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else
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{
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ASSERT_NO_PASS;
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goto exit;
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}
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ladish_app_supervisor_set_directory(room_ptr->app_supervisor, project_dir);
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}
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else
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{
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ASSERT(room_ptr->project_name != NULL);
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ASSERT(room_ptr->project_dir != NULL);
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project_name = name_supplied ? strdup(project_name_param) : room_ptr->project_name;
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project_dir = dir_supplied ? strdup(project_dir_param) : room_ptr->project_dir;
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}
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if (project_name == NULL || project_dir == NULL)
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{
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log_error("strdup() failed for project name or dir");
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goto exit;
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}
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old_project_dir = room_ptr->project_dir;
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old_project_name = room_ptr->project_name;
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room_ptr->project_name = project_name;
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room_ptr->project_dir = project_dir;
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ret = ladish_room_save_project_do(room_ptr);
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if (!ret)
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{
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room_ptr->project_name = old_project_name;
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room_ptr->project_dir = old_project_dir;
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}
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exit:
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if (project_name != NULL && project_name != room_ptr->project_name)
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{
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free(room_ptr->project_name);
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}
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if (project_dir != NULL && project_dir != room_ptr->project_dir)
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{
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free(room_ptr->project_dir);
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}
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/* free strings that are allocated and stored only in the stack */
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if (project_name != NULL && project_name != room_ptr->project_name)
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{
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free(project_name);
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}
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if (project_dir != NULL && project_dir != room_ptr->project_dir)
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{
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free(project_dir);
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}
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return ret;
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}
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#undef room_ptr
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