int parsing(t_all *all, char *str)
{
get_next_line(0, all);
if (check_file(str, all) == 2)
return (0);
if (all->flag == 0)
{
/* compil(all.fd, av[--index]); */
x_close(all->fd);
}
return (1);
}
int main(int argc, char ** argv)
{
if ( argc != 2 ) {
fprintf(stderr, "Usage: pricelist FILENAME\n");
return EXIT_FAILURE;
}
const int dbfd = x_open(argv[1], O_RDWR | O_CREAT, 0644);
bool should_quit = false;
while ( !should_quit ) {
print_summary(dbfd, argv[1]);
int choice = get_menu_choice();
struct record record;
switch ( choice ) {
case MENU_LIST:
list_records(dbfd);
break;
case MENU_ADD:
get_new_record(&record);
write_record(dbfd, &record, -1);
break;
case MENU_DELETE:
printf("Enter record number to delete: ");
fflush(stdout);
delete_record(dbfd, get_integer());
break;
case MENU_QUIT:
printf("Goodbye!\n");
should_quit = true;
break;
default:
printf("Invalid menu choice. Try again.\n\n");
break;
}
}
x_close(dbfd);
return 0;
}
static int print_file(WINDOW *w, int item)
{
/* int handle, error = 0, i, key, result = 0, r; DjV 033 010203 */
int handle, error = 0, i, result = 0; /* DjV 033 010203 */
char *buffer;
const char *name;
long l; /* index in buffer[] */
int ll = 0; /* DjV 031 150203 line length counter */
boolean stop = FALSE;
if ((name = itm_fullname(w, item)) == NULL)
return XFATAL;
buffer = x_alloc(PBUFSIZ);
if (buffer != NULL)
{
graf_mouse(HOURGLASS, NULL);
if ((handle = x_open(name, O_DENYW | O_RDONLY)) >= 0)
{
do
{
if ((l = x_read(handle, PBUFSIZ, buffer)) >= 0)
{
for (i = 0; i < (int) l; i++)
{
/* DjV 031 150203 ---vvv--- */
/*
* line wrap & new line handling;
*/
ll++;
if ( (buffer[i] == (char)13) || (buffer[i] == (char)10) || (buffer[i] == (char)12) )
ll = 0; /* reset linelength counter at CR, LF or FF */
else if ( ll >= plinelen )
{
ll = 0;
if (( stop = print_eol() ) == TRUE)
break;
}
/* DjV 031 150203 ---^^^--- */
if ((stop = prtchar(buffer[i])) == TRUE)
break;
}
/* DjV 033 010203 ---vvv--- */
/*
if ((r = key_state(&key, TRUE)) > 0)
{
if (key == ESCAPE)
stop = TRUE;
}
else if (r < 0)
stop = TRUE;
*/
if ( escape_abort(TRUE) )
stop = TRUE;
/* DjV 033 010203 ---^^^--- */
}
else
error = (int) l;
}
while ((l == PBUFSIZ) && (stop == FALSE));
x_close(handle);
print_eol(); /* DjV 031 150203 print cr lf at end of file */
}
else
error = handle;
if (stop == TRUE)
result = XABORT;
if (error != 0)
result = xhndl_error(MEPRINT, error, itm_name(w, item));
graf_mouse(ARROW, NULL);
x_free(buffer);
}
else
{
xform_error(ENSMEM);
result = XFATAL;
}
free(name);
return result;
}
int main(void) {
int in[2];
int out[2];
pid_t pid;
printf("type 'quit' for exit\n\n");
x_pipe(in);
x_pipe(out);
pid = x_fork();
if(IS_CHILD(pid)) {
x_dup2(in[READ], STDIN_FD);
x_dup2(out[WRITE], STDOUT_FD);
x_close(in[READ]);
x_close(in[WRITE]);
x_close(out[READ]);
x_close(out[WRITE]);
execl("/usr/bin/bc", "runbc", NULL);
perror("execl");
exit(1);
} else if(IS_PARENT(pid)) {
char buf[BUFSIZE + 1];
fd_set rfds;
int count;
int flag = 1;
x_close(in[READ]);
x_close(out[WRITE]);
while(13) {
FD_ZERO(&rfds);
FD_SET(STDIN_FD, &rfds);
FD_SET(out[READ], &rfds);
count = 0;
x_select(out[READ] + 1, &rfds, NULL, NULL, NULL);
if(FD_ISSET(out[READ], &rfds)) {
// read messages from BC
count = x_read(out[READ], buf, BUFSIZE);
if(count) {
x_write(STDOUT_FD, buf, count);
} else {
break;
}
}
if(FD_ISSET(STDIN_FD, &rfds) && flag) {
// send commands to BC
count = x_read(STDIN_FD, buf, BUFSIZE);
if(count) {
x_write(in[WRITE], buf, count);
} else {
x_write(in[WRITE], "quit\n", 6);
flag = 0;
}
}
}
x_waitpid(pid, NULL, 0);
x_close(in[WRITE]);
x_close(out[READ]);
}
return 0;
}
