diff options
Diffstat (limited to 'sysdeps/posix/getaddrinfo.c')
-rw-r--r-- | sysdeps/posix/getaddrinfo.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 2eca2ae0e4..78a2474b10 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -568,7 +568,9 @@ gaih_inet (const char *name, const struct gaih_service *service, IPv6 scope ids. */ if (req->ai_family == AF_INET) { - size_t tmpbuflen = 512; + /* Allocate additional room for struct host_data. */ + size_t tmpbuflen = (512 + MAX_NR_ALIASES * sizeof(char*) + + 16 * sizeof(char)); assert (tmpbuf == NULL); tmpbuf = alloca_account (tmpbuflen, alloca_used); int rc; @@ -811,7 +813,7 @@ gaih_inet (const char *name, const struct gaih_service *service, old_res_options = _res.options; _res.options &= ~RES_USE_INET6; - size_t tmpbuflen = 1024; + size_t tmpbuflen = 1024 + sizeof(struct gaih_addrtuple); malloc_tmpbuf = !__libc_use_alloca (alloca_used + tmpbuflen); assert (tmpbuf == NULL); if (!malloc_tmpbuf) @@ -1113,7 +1115,9 @@ gaih_inet (const char *name, const struct gaih_service *service, struct hostent *h = NULL; int herrno; struct hostent th; - size_t tmpbuf2len = 512; + /* Add room for struct host_data. */ + size_t tmpbuf2len = (512 + (MAX_NR_ALIASES+MAX_NR_ADDRS+1) + * sizeof(char*) + 16 * sizeof(char)); do { |