double dolcost;
int broke;
time_t curup; /* when last input was received */
- int aborted;
+ int aborted; /* interrupt cookie received? */
+ int eof; /* EOF (cookie or real) received? */
int curid; /* for pr, cur. line's id, -1 none */
char *map; /* pointer to in-mem map */
char *bmap; /* pointer to in-mem bmap */
/*
* Receive a line of input from the current player.
+ * If the player's eof flag is set, return -1 without receiving input.
* If the player's aborted flag is set, return -2 without receiving
* input.
* Else receive one line and store it in CMD[SIZE].
* If the player's connection has the I/O error indicator set, or the
* line is "aborted", set the player's aborted flag and return -2.
* If the player's connection has the EOF indicator set, or the line
- * is "ctld", return -1.
+ * is "ctld", set the player's eof flag and return -1.
* Else return the length of the line.
* Design bug: there is no way to indicate truncation of a long line.
+ * FIXME caller needs to know whether a line was consumed, to prompt correctly
*/
int
recvclient(char *cmd, int size)
{
int count;
+ if (player->eof)
+ return -1;
if (player->aborted)
return -2;
+
count = io_gets(player->iop, cmd, size);
- while (!player->aborted && count < 0) {
+
+ while (!player->aborted && !player->eof && count < 0) {
+ /* Sleep for input */
+
+ /* Make sure player sees prompt */
io_output_all(player->iop);
+
+ /*
+ * If io_output_all() blocked and got unblocked by command
+ * abortion, we must return without blocking in io_input().
+ */
if (player->aborted)
return -2;
+
io_input(player->iop, IO_WAIT);
if (io_error(player->iop))
- player->aborted++;
+ player->aborted = 1;
else if (io_eof(player->iop))
- return -1;
+ player->eof = 1;
else
count = io_gets(player->iop, cmd, size);
}
+
if (count > 0) {
if (strcmp(cmd, "ctld") == 0)
- return -1;
+ player->eof = 1;
if (strcmp(cmd, "aborted") == 0)
player->aborted = 1;
}
+
+ if (player->eof)
+ return -1;
if (player->aborted)
return -2;
+
journal_input(cmd);
return count;
}