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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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10
src/lib/commands/add.c
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@ -69,7 +69,7 @@ add(void)
else
strcpy(prompt, "New country number? (they all seem to be used) ");
p = getstarg(player->argp[1], prompt, buf);
if (p == 0 || *p == 0)
if (!p || !*p)
return RET_SYN;
i = atoi(p);
if (i >= MAXNOC) {
@ -83,13 +83,13 @@ add(void)
}
natp = getnatp(coun);
p = getstarg(player->argp[2], "Country Name? ", buf);
if (p ==0)
if (!p)
return RET_SYN;
if (!check_nat_name(p))
return RET_FAIL;
strcpy(cntryname, p);
p = getstarg(player->argp[3], "Representative? ", buf);
if (p == 0 || *p == 0)
if (!p || !*p)
return RET_SYN;
if (strlen(p) >= sizeof(pname)) {
pr("Representative too long\n");
@ -98,7 +98,7 @@ add(void)
strcpy(pname, p);
p = getstarg(player->argp[4],
"Status? (visitor, new, active, god, delete) ", buf);
if (p == 0 || *p == 0)
if (!p || !*p)
return RET_SYN;
switch (*p) {
case 'v':
@ -122,7 +122,7 @@ add(void)
}
p = getstarg(player->argp[5],
"Check, wipe, or ignore existing sectors (c|w|i) ", buf);
if (p == 0)
if (!p)
return RET_SYN;
snxtitem_all(&ni, EF_LAND);
while (nxtitem(&ni, &land)) {