libctru/libctru/source/services/soc/soc_getsockopt.c
2015-01-24 14:14:06 -06:00

52 lines
985 B
C

#include "soc_common.h"
#include <errno.h>
#include <sys/socket.h>
int getsockopt(int sockfd, int level, int optname, void *optval, socklen_t *optlen)
{
int ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 saved_threadstorage[2];
sockfd = soc_get_fd(sockfd);
if(sockfd < 0) {
errno = -sockfd;
return -1;
}
cmdbuf[0] = 0x00110102;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = (u32)level;
cmdbuf[3] = (u32)optname;
cmdbuf[4] = (u32)*optlen;
cmdbuf[5] = 0x20;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
cmdbuf[0x100>>2] = ((*optlen)<<14) | 2;
cmdbuf[0x104>>2] = (u32)optval;
ret = svcSendSyncRequest(SOCU_handle);
if(ret != 0) {
errno = SYNC_ERROR;
return ret;
}
cmdbuf[0x100>>2] = saved_threadstorage[0];
cmdbuf[0x104>>2] = saved_threadstorage[1];
ret = (int)cmdbuf[1];
if(ret == 0)
ret = _net_convert_error(cmdbuf[2]);
if(ret < 0) {
errno = -ret;
return -1;
}
*optlen = cmdbuf[3];
return ret;
}