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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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8
src/lib/commands/atta.c
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@ -73,7 +73,7 @@ atta(void)
return RET_SYN;
if (!sarg_xy(p, &def->x, &def->y))
return RET_SYN;
if (att_abort(A_ATTACK, 0, def))
if (att_abort(A_ATTACK, NULL, def))
return RET_FAIL;
/* Show what we're attacking, and check treaties */
@ -84,7 +84,7 @@ atta(void)
/* Ask about offensive support */
att_ask_support(2, &fort_sup, &ship_sup, &land_sup, &plane_sup);
if (att_abort(A_ATTACK, 0, def)) {
if (att_abort(A_ATTACK, NULL, def)) {
att_empty_attack(A_ATTACK, 0, def);
return RET_OK;
}
@ -110,14 +110,14 @@ atta(void)
if (att_abort(A_ATTACK, off, def)) {
pr("Attack aborted\n");
att_empty_attack(A_ATTACK, 0, def);
return att_free_lists(&olist, 0);
return att_free_lists(&olist, NULL);
}
ototal = att_get_offense(A_ATTACK, off, &olist, def);
if (att_abort(A_ATTACK, off, def)) {
pr("Attack aborted\n");
att_empty_attack(A_ATTACK, 0, def);
return att_free_lists(&olist, 0);
return att_free_lists(&olist, NULL);
}
/*