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getsockopt needs to take in an int

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This caused an issue on big endian platforms

From the getsockopt man page:
       Most socket-level options utilize an int argument for optval.  For setsockopt(), the argument should be non‐
       zero to enable a boolean option, or zero if the option is to be disabled.
This commit is contained in:
Juliusz Sosinowicz
2023-07-06 10:38:51 +02:00
parent 652c5491fe
commit 0b4e4287c9
2 changed files with 11 additions and 4 deletions
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8
src/wolfio.c
View File

@ -418,12 +418,12 @@ static int PeerIsIpv6(const SOCKADDR_S *peer, XSOCKLENT len)
static int isDGramSock(int sfd)
{
char type = 0;
int type = 0;
/* optvalue 'type' is of size int */
XSOCKLENT length = (XSOCKLENT)sizeof(char);
XSOCKLENT length = (XSOCKLENT)sizeof(type);
if (getsockopt(sfd, SOL_SOCKET, SO_TYPE, &type, &length) == 0 &&
type != SOCK_DGRAM) {
if (getsockopt(sfd, SOL_SOCKET, SO_TYPE, (XSOCKOPT_TYPE_OPTVAL_TYPE)&type,
&length) == 0 && type != SOCK_DGRAM) {
return 0;
}
else {

7
wolfssl/wolfio.h
View File

@ -381,6 +381,13 @@
#define XSOCKLENT socklen_t
#endif
#endif
#ifndef XSOCKOPT_TYPE_OPTVAL_TYPE
#ifdef USE_WINDOWS_API
#define XSOCKOPT_TYPE_OPTVAL_TYPE void*
#else
#define XSOCKOPT_TYPE_OPTVAL_TYPE char*
#endif
#endif
/* Socket Addr Support */
#ifdef HAVE_SOCKADDR