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(XYOFFSET): Returned twice the value it should.

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(finish_sects): Allocated twice as much space as needed, to make it
work with the broken XYOFFSET().
This commit is contained in:
Markus Armbruster 2007-07-28 07:06:55 +00:00
parent e09f50a7d3
commit 6d9e78af4c
2 changed files with 4 additions and 10 deletions
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5
include/xy.h
View file

@ -36,9 +36,8 @@
#include "types.h"
/* Used to calculate an offset into an array. Used for
dynamically sizing the world. */
#define XYOFFSET(x, y) (((y) * WORLD_X) + (x))
/* Fast version of sctoff() for normalized arguments: */
#define XYOFFSET(x, y) (((y) * WORLD_X + (x)) / 2)
#define XNORM(x) \
(((x) < 0) ? ((WORLD_X - (-(x) % WORLD_X)) % WORLD_X) : ((x) % WORLD_X))

9
src/lib/update/finish.c
View file

@ -77,20 +77,15 @@ finish_sects(int etu)
if (g_distptrs == NULL) {
logerror("First update since reboot, allocating buffer\n");
/* Allocate the information buffer */
g_distptrs = (struct distinfo *)(malloc((WORLD_X * WORLD_Y) *
sizeof(struct distinfo)));
g_distptrs = malloc((WORLD_X * WORLD_Y / 2) * sizeof(*g_distptrs));
if (g_distptrs == NULL) {
logerror("malloc failed in finish_sects.\n");
return;
}
logerror("Allocated '%lu' bytes '%d' indices\n",
(unsigned long)(WORLD_X * WORLD_Y * sizeof(struct distinfo)),
WORLD_X * WORLD_Y);
}
/* Wipe it clean */
memset(g_distptrs, 0, ((WORLD_X * WORLD_Y) * sizeof(struct distinfo)));
memset(g_distptrs, 0, (WORLD_X * WORLD_Y / 2) * sizeof(*g_distptrs));
logerror("delivering...\n");
/* Do deliveries */