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(diridx): New. Use instead of chkdir() where direction characters

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must be valid.  Oopses on bad direction characters.
(pathtoxy, ac_encounter): Bad direction characters used to lead to bad
array subscript and potential disaster.
(pathrange, path): Stop on DIR_STOP as well as on bad direction
characters.  This is just for consistency with other code; DIR_STOP
should occur only last in a path here.
(sail_nav_fleet, nav_ship): No change except for the oops.
This commit is contained in:
Markus Armbruster 2005-09-25 09:49:36 +00:00
parent a88f12017e
commit dfa56cb0ef
6 changed files with 31 additions and 18 deletions
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include/path.h
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@ -63,6 +63,7 @@ extern double ncost(struct sctstr *, natid);
extern double pathtoxy(s_char *, coord *, coord *,
double (*)(struct sctstr * sp, natid own));
extern int chkdir(s_char, int, int);
extern int diridx(char);
extern void direrr(s_char *, s_char *, s_char *);
extern void pathrange(register coord, register coord, register s_char *,
int, struct range *);