soc_getsockname.c

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#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];

    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;
}