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doh: remove redundant checks

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Pointed out by CodeSonar

Closes #14823
This commit is contained in:
Daniel Stenberg 2024-09-07 16:10:23 +02:00
parent c72dd0bb14
commit 24606191f8
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 5 additions and 11 deletions
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16
lib/doh.c
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@ -542,8 +542,8 @@ static unsigned int doh_get32bit(const unsigned char *doh, unsigned int index)
((unsigned)doh[2] << 8) | doh[3];
}
static DOHcode doh_store_a(const unsigned char *doh, int index,
struct dohentry *d)
static void doh_store_a(const unsigned char *doh, int index,
struct dohentry *d)
{
/* silently ignore addresses over the limit */
if(d->numaddr < DOH_MAX_ADDR) {
@ -552,10 +552,9 @@ static DOHcode doh_store_a(const unsigned char *doh, int index,
memcpy(&a->ip.v4, &doh[index], 4);
d->numaddr++;
}
return DOH_OK;
}
static DOHcode doh_store_aaaa(const unsigned char *doh, int index,
static void doh_store_aaaa(const unsigned char *doh, int index,
struct dohentry *d)
{
/* silently ignore addresses over the limit */
@ -565,7 +564,6 @@ static DOHcode doh_store_aaaa(const unsigned char *doh, int index,
memcpy(&a->ip.v6, &doh[index], 16);
d->numaddr++;
}
return DOH_OK;
}
#ifdef USE_HTTPSRR
@ -653,16 +651,12 @@ static DOHcode doh_rdata(const unsigned char *doh,
case DNS_TYPE_A:
if(rdlength != 4)
return DOH_DNS_RDATA_LEN;
rc = doh_store_a(doh, index, d);
if(rc)
return rc;
doh_store_a(doh, index, d);
break;
case DNS_TYPE_AAAA:
if(rdlength != 16)
return DOH_DNS_RDATA_LEN;
rc = doh_store_aaaa(doh, index, d);
if(rc)
return rc;
doh_store_aaaa(doh, index, d);
break;
#ifdef USE_HTTPSRR
case DNS_TYPE_HTTPS: