1 files changed, 4 insertions, 3 deletions

diff --git a/lib/util.cc b/lib/util.cc
index 94f6f53..94e09ed 100644
--- a/lib/util.cc
+++ b/lib/util.cc
@@ -30,5 +30,6 @@ namespace opkele {
                 BIO_push(b64,bmem);
-                if(BIO_write(b64,data,length)!=length)
+                if(((size_t)BIO_write(b64,data,length))!=length)
                     throw exception_openssl(OPKELE_CP_ "failed to BIO_write()");
-                BIO_flush(b64);
+                if(BIO_flush(b64)!=1)
+                    throw exception_openssl(OPKELE_CP_ "failed to BIO_flush()");
                 char *rvd;
@@ -146,3 +147,3 @@ namespace opkele {
             int r=snprintf(rv,sizeof(rv),"%ld",l);
-            if(r<0 || r>=sizeof(rv))
+            if(r<0 || r>=(int)sizeof(rv))
                 throw failed_conversion(OPKELE_CP_ "failed to snprintf()");