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(strtox, strtoy): New. Use it instead of inputxy() to avoid the

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double-remainder problem: x-coordinate SHRT_MAX+1 is truncated to 0 by
cast to coord, then converted by xabs().  This is wrong unless WORLD_X
divides SHRT_MAX+1.
(sarg_xy, sarg_getrange, sarg_range): Use them.
(inputxy): No longer used, remove.

(sarg_type): Use NS_UNDEF instead of 0.

(sarg_list): Change confusing loop control.  Properly diagnose
overlong lists; used to silently ignore list tail and return MAX+1,
which made a later snxtitem_list() fail.

(atoip): No longer used, remove.  Parsing was broken anyway.

(sarg_type, sarg_xy, sarg_area, sarg_range, sarg_list, sarg_getrange):
Use plain char * instead of s_char *.
This commit is contained in:
Markus Armbruster 2004-04-07 17:13:47 +00:00
parent 543b0cba4f
commit 5d302eaad5
6 changed files with 131 additions and 150 deletions
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3
include/xy.h
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@ -61,7 +61,8 @@ extern void xyrelrange(struct natstr *np, struct range *src,
struct range *dst);
extern void xyabsrange(struct natstr *np, struct range *src,
struct range *dst);
extern void inputxy(coord *xp, coord *yp, natid cn);
extern coord strtox(char *str, char **end);
extern coord strtoy(char *str, char **end);
extern coord xabs(struct natstr *np, coord relx);
extern coord yabs(struct natstr *np, coord rely);
extern coord xnorm(register coord x);