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// Emscripten-specific version of musl/src/network/lookup_name.c
#include <assert.h>
#include <string.h>
#include "musl/src/network/lookup.h"
#include "emscripten_internal.h"
int __lookup_name(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, int flags)
{
/* We currently only support the callsite in gethostbyname2_r which
* passes AI_CANONNAME. Remove this assertion when if we ever expand
* this support. */
assert(flags == AI_CANONNAME);
if (family != AF_INET) {
return EAI_SYSTEM;
}
/* This hunk is a duplicated from musl/src/network/lookup_name.c */
*canon = 0;
if (name) {
/* reject empty name and check len so it fits into temp bufs */
size_t l = strnlen(name, 255);
if (l-1 >= 254)
return EAI_NONAME;
memcpy(canon, name, l+1);
}
/* We only support a single address */
uint32_t addr = _emscripten_lookup_name(name);
memset(&buf[0], 0, sizeof(buf[0]));
memcpy(&buf[0].addr, &addr, sizeof(addr));
return 1;
}
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