libctru/libctru/source/services/soc/soc_getsockname.c

49 lines
1.0 KiB
C

#include "soc_common.h"
#include <sys/socket.h>
int getsockname(int sockfd, struct sockaddr *addr, socklen_t *addrlen)
{
int ret=0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 saved_threadstorage[2];
u8 tmpaddr[0x1c];
sockfd = soc_get_fd(sockfd);
if(sockfd < 0)
{
SOCU_errno = sockfd;
return -1;
}
cmdbuf[0] = 0x00170082;
cmdbuf[1] = (u32)sockfd;
cmdbuf[2] = 0x1c;
cmdbuf[3] = 0x20;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
cmdbuf[0x100>>2] = (0x1c<<14) | 2;
cmdbuf[0x104>>2] = (u32)tmpaddr;
if((ret = svcSendSyncRequest(SOCU_handle))!=0)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)SOCU_errno = ret;
if(ret==0)
{
if(*addrlen > tmpaddr[0])*addrlen = tmpaddr[0];
memset(addr, 0, sizeof(struct sockaddr));
addr->sa_family = tmpaddr[1];
memcpy(addr->sa_data, &tmpaddr[2], *addrlen - 2);
}
if(ret<0)return -1;
return ret;
}