X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fnss-resolve%2Fnss-resolve.c;h=6a029a331bd05d7c59ffc7da5fdc6841a6302252;hb=1d050e1e0a7082e23ee9b31fa0b819cb332b3444;hp=39b73203d26afbc351f1e9d60c15233a595ada1f;hpb=4eef5b7441692c962af57eab7bb758f1cfdece35;p=elogind.git

diff --git a/src/nss-resolve/nss-resolve.c b/src/nss-resolve/nss-resolve.c
index 39b73203d..6a029a331 100644
--- a/src/nss-resolve/nss-resolve.c
+++ b/src/nss-resolve/nss-resolve.c
@@ -404,10 +404,7 @@ enum nss_status _nss_resolve_gethostbyname3_r(
         alen = FAMILY_ADDRESS_SIZE(af);
         l = strlen(canonical);
 
-        ms = ALIGN(l+1) +
-                sizeof(char*) +
-                (c > 0 ? c : 1) * ALIGN(alen) +
-                (c > 0 ? c+1 : 2) * sizeof(char*);
+        ms = ALIGN(l+1) + c * ALIGN(alen) + (c+2) * sizeof(char*);
 
         if (buflen < ms) {
                 *errnop = ENOMEM;