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pknock: use preincrements where possible

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Preincrements are much less error-prone and even do not need extra
parentheses.
This commit is contained in:
Jan Engelhardt
2009-10-03 01:05:12 +02:00
parent f474c7d4d4
commit ba9a3efec1
2 changed files with 9 additions and 9 deletions
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6
extensions/libxt_pknock.c
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@@ -64,7 +64,7 @@ parse_ports(const char *portstring, uint16_t *ports, const char *proto)
if (buffer == NULL)
xtables_error(OTHER_PROBLEM, "strdup failed");
for (cp=buffer, i=0; cp != NULL && i<XT_PKNOCK_MAX_PORTS; cp=next, i++)
for (cp = buffer, i = 0; cp != NULL && i < XT_PKNOCK_MAX_PORTS; cp = next, ++i)
{
next=strchr(cp, ',');
if (next != NULL)
@@ -292,7 +292,7 @@ static void pknock_print(const void *ip,
printf("pknock ");
if (info->option & XT_PKNOCK_KNOCKPORT) {
printf("knockports ");
for (i=0; i<info->ports_count; i++)
for (i = 0; i < info->ports_count; ++i)
printf("%s%d", i ? "," : "", info->port[i]);
printf(" ");
}
@@ -314,7 +314,7 @@ static void pknock_save(const void *ip, const struct xt_entry_match *match)
if (info->option & XT_PKNOCK_KNOCKPORT) {
printf("--knockports ");
for (i=0; i<info->ports_count; i++)
for (i = 0; i < info->ports_count; ++i)
printf("%s%d", i ? "," : "", info->port[i]);
printf(" ");
}