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Fix navigate and march to find paths longer than 7 sectors again

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Broken in commit 8f008bf8, v4.3.27.  How embarrassing...
This commit is contained in:
Markus Armbruster 2011-07-12 07:11:31 +02:00
parent 80a2fdc8ff
commit 0faf0034e5
Notes: Markus Armbruster 2011-07-12 09:51:28 +02:00 
Longer than sizeof(char *) - 1, actually.  7 on 64 bit machines, 3 on
32 bit machines.
3 changed files with 7 additions and 7 deletions
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2
include/unit.h
View file

@ -57,7 +57,7 @@ extern void unit_onresize(int);
extern char *unit_nameof(struct empobj *);
extern void unit_list(struct emp_qelem *);
extern void unit_put(struct emp_qelem *list, natid actor);
extern char *unit_path(int, struct empobj *, char *);
extern char *unit_path(int, struct empobj *, char *, size_t);
extern void unit_view(struct emp_qelem *);
extern int unit_update_cargo(struct empobj *);
extern void unit_drop_cargo(struct empobj *, natid);

4
src/lib/commands/navi.c
View file

@ -91,7 +91,7 @@ do_unit_move(struct emp_qelem *ulist, int *together,
if (player->argp[2]) {
strcpy(buf, player->argp[2]);
cp = unit_path(*together, leader, buf);
cp = unit_path(*together, leader, buf, sizeof(buf));
}
*pt = '\0';
@ -151,7 +151,7 @@ do_unit_move(struct emp_qelem *ulist, int *together,
continue;
}
if (cp)
cp = unit_path(*together, leader, cp);
cp = unit_path(*together, leader, buf, sizeof(buf));
}
if (type == EF_SHIP) {
rad_map_set(player->cnum, leader->x, leader->y, leader->effic,

8
src/lib/subs/unitsub.c
View file

@ -151,7 +151,7 @@ unit_put(struct emp_qelem *list, natid actor)
}
char *
unit_path(int together, struct empobj *unit, char *buf)
unit_path(int together, struct empobj *unit, char *buf, size_t bufsz)
{
coord destx;
coord desty;
@ -196,13 +196,13 @@ unit_path(int together, struct empobj *unit, char *buf)
return NULL;
}
}
len = path_find_route(buf, sizeof(buf), unit->x, unit->y, destx, desty);
len = path_find_route(buf, bufsz, unit->x, unit->y, destx, desty);
if (len == 0 || unit->ef_type == EF_LAND) {
if (len + 1 < sizeof(buf))
if (len + 1 < bufsz)
strcpy(buf + len, "h");
len++;
}
if (len >= sizeof(buf)) {
if (len >= bufsz) {
pr("Can't handle path to %s, it's too long, sorry\n",
xyas(destx, desty, player->cnum));
return NULL;