diff options
Diffstat (limited to 'src/network/gethostbyname.c')
| -rw-r--r-- | src/network/gethostbyname.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/network/gethostbyname.c b/src/network/gethostbyname.c new file mode 100644 index 00000000..5088a51e --- /dev/null +++ b/src/network/gethostbyname.c @@ -0,0 +1,63 @@ +#define _GNU_SOURCE + +#include <sys/socket.h> +#include <netdb.h> +#include <string.h> +#include <netinet/in.h> + +struct hostent *gethostbyname(const char *name) +{ + return gethostbyname2(name, AF_INET); +} + +#if 0 +struct hostent *gethostbyname(const char *name) +{ + static struct hostent h; + static char *h_aliases[3]; + static char h_canon[256]; + static char *h_addr_list[10]; + static char h_addr_data[10][4]; + static const struct addrinfo hint = { + .ai_family = AF_INET, .ai_flags = AI_CANONNAME + }; + struct addrinfo *ai, *p; + int i; + + switch (getaddrinfo(name, 0, &hint, &ai)) { + case EAI_NONAME: + h_errno = HOST_NOT_FOUND; + break; + case EAI_AGAIN: + h_errno = TRY_AGAIN; + break; + case EAI_FAIL: + h_errno = NO_RECOVERY; + break; + default: + case EAI_MEMORY: + case EAI_SYSTEM: + h_errno = NO_DATA; + break; + case 0: + break; + } + + strcpy(h_canon, ai->ai_canonname); + h.h_name = h_canon; + h.h_aliases = h_aliases; + h.h_aliases[0] = h_canon; + h.h_aliases[1] = strcmp(h_canon, name) ? (char *)name : 0; + h.h_length = 4; + h.h_addr_list = h_addr_list; + for (i=0, p=ai; i<sizeof h_addr_data/4 && p; i++, p=p->ai_next) { + h.h_addr_list[i] = h_addr_data[i]; + memcpy(h.h_addr_list[i], + &((struct sockaddr_in *)p->ai_addr)->sin_addr, 4); + } + h.h_addr_list[i] = 0; + h.h_addrtype = AF_INET; + freeaddrinfo(ai); + return &h; +} +#endif |