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Don't use 0 as null pointer constant, part 1

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Use NULL instead of 0, for clarity.  Except in pointer comparisons;
leave that to the next two commits.
This commit is contained in:
Markus Armbruster 2009-03-22 18:50:43 +01:00
parent a2ed975ec2
commit 615681ce16
51 changed files with 107 additions and 100 deletions
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4
src/lib/commands/buil.c
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@ -540,7 +540,7 @@ build_bridge(struct sctstr *sp, short *vec)
if ((val = chkdir(*p, DIR_FIRST, DIR_LAST)) < 0) {
pr("'%c' is not a valid direction...\n", *p);
direrr(0, 0, 0);
direrr(NULL, NULL, NULL);
return 0;
}
newx = sp->sct_x + diroff[val][0];
@ -816,7 +816,7 @@ build_tower(struct sctstr *sp, short *vec)
if ((val = chkdir(*p, DIR_FIRST, DIR_LAST)) < 0) {
pr("'%c' is not a valid direction...\n", *p);
direrr(0, 0, 0);
direrr(NULL, NULL, NULL);
return 0;
}
newx = sp->sct_x + diroff[val][0];