soc_gethostbyname.c

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#include "soc_common.h"
#include <netdb.h>

#define MAX_HOSTENT_RESULTS 16
static struct hostent SOC_hostent;
static char           *SOC_hostent_results[MAX_HOSTENT_RESULTS+1];
static char           *SOC_hostent_alias = NULL;

int h_errno = 0;

struct hostent* gethostbyname(const char *name)
{
    int ret=0;
    u32 *cmdbuf = getThreadCommandBuffer();
    u32 saved_threadstorage[2];
    static u8 outbuf[0x1A88];

    cmdbuf[0] = 0x000D0082;
    cmdbuf[1] = strlen(name)+1;
    cmdbuf[2] = sizeof(outbuf);
    cmdbuf[3] = ((strlen(name)+1) << 14) | 0xC02;
    cmdbuf[4] = (u32)name;

    saved_threadstorage[0] = cmdbuf[0x100>>2];
    saved_threadstorage[1] = cmdbuf[0x104>>2];

    cmdbuf[0x100>>2] = (sizeof(outbuf) << 14) | 2;
    cmdbuf[0x104>>2] = (u32)outbuf;

    if(( ret = svcSendSyncRequest(SOCU_handle))!=0)return NULL;

    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;
    /* TODO: set h_errno based on SOCU_errno */

    if(ret<0)return NULL;

    u32 num_results, i;
    memcpy(&num_results, (char*)outbuf+4, sizeof(num_results));
    if(num_results > MAX_HOSTENT_RESULTS)
        num_results = MAX_HOSTENT_RESULTS;

    SOC_hostent.h_name      = (char*)outbuf + 8;
    SOC_hostent.h_aliases   = &SOC_hostent_alias;
    SOC_hostent.h_addrtype  = AF_INET;
    SOC_hostent.h_length    = 4;
    SOC_hostent.h_addr_list = SOC_hostent_results;

    SOC_hostent_alias = NULL;

    for(i = 0; i < num_results; ++i)
        SOC_hostent_results[i] = (char*)outbuf + 0x1908 + i*0x10;
    SOC_hostent_results[num_results] = NULL;

    return &SOC_hostent;
}