diff options
Diffstat (limited to 'libc-top-half/musl/src/network/gethostbyaddr.c')
-rw-r--r-- | libc-top-half/musl/src/network/gethostbyaddr.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/network/gethostbyaddr.c b/libc-top-half/musl/src/network/gethostbyaddr.c new file mode 100644 index 0000000..598e224 --- /dev/null +++ b/libc-top-half/musl/src/network/gethostbyaddr.c @@ -0,0 +1,24 @@ +#define _GNU_SOURCE + +#include <netdb.h> +#include <errno.h> +#include <stdlib.h> + +struct hostent *gethostbyaddr(const void *a, socklen_t l, int af) +{ + static struct hostent *h; + size_t size = 63; + struct hostent *res; + int err; + do { + free(h); + h = malloc(size+=size+1); + if (!h) { + h_errno = NO_RECOVERY; + return 0; + } + err = gethostbyaddr_r(a, l, af, h, + (void *)(h+1), size-sizeof *h, &res, &h_errno); + } while (err == ERANGE); + return err ? 0 : h; +} |