void ft_free_map(t_map map)
{
map.room = free_room(map.room);
map.pipes = free_pipes(map.pipes);
free(map.room);
free(map.pipes);
}
t_pipes *free_pipes(t_pipes *pipes)
{
t_pipes *tmp;
if (pipes == NULL)
return (NULL);
else
{
tmp = pipes->next;
free(pipes);
return (free_pipes(tmp));
}
}
int execute( const List_t* list) {
Node_t* curr = list->head->next;
int files = -1;
int** pipes = make_pipes( list->count - 1);
if( !pipes)
return 0;
int outPipe[2] = {};
pipe( outPipe);
if( outPipe[0] < 0 || outPipe[1] < 0) {
warn( "Error while creating outPipe");
return 0;
}
char* argv[ARGUMENTS_NUMBER] = {};
int i = 0;
pid_t pid = 0;
int status = -1;
while( curr) {
make_argv( curr->program, argv);
files = open_files( curr->program);
if( (pid = fork()) == 0) {
if( curr->program->input >= 0) {
if( dup2( curr->program->input, 0) < 0)
warn( "Error while getting input from file %s", curr->program->input_name);
} else if( i > 0) {
if( dup2( pipes[i - 1][0], 0) < 0)
warn( "Error while piping input for program %d", i);
}
if( curr->program->output >= 0)
if( dup2( curr->program->output, 1) < 0)
warn( "Error while sending output to file %s", curr->program->output_name);
if( curr->type == last && curr->program->output < 0)
if( dup2( outPipe[1], 1) < 0)
warn( "Error while sending output to final pipe");
if( curr->type != last && curr->program->output < 0)
if( dup2( pipes[i][1], 1) < 0)
warn( "Error while piping output for program %d", i);
close_pipes( pipes, list->count - 1);
if( outPipe[0] > 0)
close( outPipe[0]);
if( outPipe[1] > 0)
close( outPipe[1]);
free_pipes( pipes, list->count - 1);
if( files != close_files( curr->program))
warn( "Error while closing files in child");
if( execvp( curr->program->name, argv) < 0) {
warn( "Error while executing %s", curr->program->name);
exit( -1);
}
}
if( curr->type == last) {
close_pipes( pipes, list->count - 1);
if( outPipe[1] > 0)
close( outPipe[1]);
print_output( outPipe[0]);
if( outPipe[0] > 0)
close( outPipe[0]);
waitpid( pid, &status, 0);
printf("Process exited with status %d\n", status);
}
if( files != close_files( curr->program))
warn( "Error while closing files in parrent");
curr = curr->next;
++i;
}
free_pipes( pipes, list->count - 1);
return 1;
}