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Fix add not to crash on negative country number

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This commit is contained in:
Markus Armbruster 2011-11-06 19:09:26 +01:00
parent b36727e7fb
commit 881b6fbd2b
1 changed files with 7 additions and 9 deletions
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16
src/lib/commands/add.c
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@ -42,7 +42,6 @@ add(void)
int i;
char cntryname[sizeof(natp->nat_cnam)];
char pname[sizeof(natp->nat_pnam)];
natid coun;
natid freecn;
char prompt[128];
char buf[1024];
@ -61,20 +60,19 @@ add(void)
if (!p || !*p)
return RET_SYN;
i = atoi(p);
if (i >= MAXNOC) {
pr("Max # countries is %d\n", MAXNOC);
return RET_FAIL;
}
coun = i;
if (coun == 0) {
if (i == 0) {
pr("Not allowed to add country #0\n");
return RET_FAIL;
}
natp = getnatp(coun);
natp = getnatp(i);
if (!natp) {
pr("Can't add country #%d\n", i);
return RET_FAIL;
}
p = getstarg(player->argp[2], "Country name? ", buf);
if (!p)
return RET_SYN;
if (!check_nat_name(p, coun))
if (!check_nat_name(p, natp->nat_cnum))
return RET_FAIL;
strcpy(cntryname, p);
p = getstarg(player->argp[3], "Representative? ", buf);