siglen is unsigned, so comparing it to less than 0 is silly, and

generates a compiler warning with Compaq C.

diff --git a/apps/dgst.c b/apps/dgst.c
index a151fb84576accc1a81cd34bc4d9c47f3b83b459..5d5ab94aea01ee5a1b7005d7be28ba0976ba27cb 100644 (file)
--- a/apps/dgst.c
+++ b/apps/dgst.c
@@ -280,7 +280,7 @@ int MAIN(int argc, char **argv)
                }
                siglen = BIO_read(sigbio, sigbuf, siglen);
                BIO_free(sigbio);
                }
                siglen = BIO_read(sigbio, sigbuf, siglen);
                BIO_free(sigbio);

-               if(siglen <= 0) {
+               if(siglen == 0) {

                        BIO_printf(bio_err, "Error reading signature file %s\n",
                                                                sigfile);
                        ERR_print_errors(bio_err);
                        BIO_printf(bio_err, "Error reading signature file %s\n",
                                                                sigfile);
                        ERR_print_errors(bio_err);