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implement gethostbyname

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This commit is contained in:
mtheall 2014-08-20 14:56:01 -05:00
parent 370707c663
commit c3f7bfa7fd
1 changed files with 52 additions and 0 deletions
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52
libctru/source/services/soc.c
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@ -801,3 +801,55 @@ int getpeername(int sockfd, struct sockaddr *addr, int * addr_len)
return ret;
}
#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;
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;
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;
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;
}