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Don't use 0 as null pointer constant, part 3

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This part replaces E == 0 by !E, where E has pointer type.
This commit is contained in:
Markus Armbruster 2009-03-23 22:58:54 +01:00
parent 90f8f2b099
commit 6ae4eca045
79 changed files with 121 additions and 121 deletions
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4
src/lib/commands/set.c
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@ -73,7 +73,7 @@ set(void)
check_trade();
p = getstarg(player->argp[1], "Ship, plane, land unit or nuke? ", buf);
if (p == 0)
if (!p)
return RET_SYN;
if ((type = ef_byname_from(p, ef_saleable)) < 0) {
pr("You can sell only ships, planes, land units or nukes\n");
@ -92,7 +92,7 @@ set(void)
trade.trd_type = type;
sprintf(prompt, "%s #%d; Price? ",
trade_nameof(&trade, &item), ni.cur);
if ((p = getstarg(player->argp[3], prompt, buf)) == 0)
if (!(p = getstarg(player->argp[3], prompt, buf)))
return RET_FAIL;
if (!trade_check_item_ok(&item))
return RET_FAIL;