diff options
Diffstat (limited to 'mpi/mpih-cmp.c')
-rw-r--r-- | mpi/mpih-cmp.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/mpi/mpih-cmp.c b/mpi/mpih-cmp.c deleted file mode 100644 index 9c9cb4a6c..000000000 --- a/mpi/mpih-cmp.c +++ /dev/null @@ -1,62 +0,0 @@ -/* mpihelp-sub.c - MPI helper functions - * Copyright (C) 1998 Free Software Foundation, Inc. - * Copyright (C) 1994, 1996 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GnuPG is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - * - * Note: This code is heavily based on the GNU MP Library. - * Actually it's the same code with only minor changes in the - * way the data is stored; this is to support the abstraction - * of an optional secure memory allocation which may be used - * to avoid revealing of sensitive data due to paging etc. - * The GNU MP Library itself is published under the LGPL; - * however I decided to publish this code under the plain GPL. - */ - -#include <config.h> -#include <stdio.h> -#include <stdlib.h> - -#include "mpi-internal.h" - -/**************** - * Compare OP1_PTR/OP1_SIZE with OP2_PTR/OP2_SIZE. - * There are no restrictions on the relative sizes of - * the two arguments. - * Return 1 if OP1 > OP2, 0 if they are equal, and -1 if OP1 < OP2. - */ -int -mpihelp_cmp( mpi_ptr_t op1_ptr, mpi_ptr_t op2_ptr, mpi_size_t size ) -{ - mpi_size_t i; - mpi_limb_t op1_word, op2_word; - - for( i = size - 1; i >= 0 ; i--) { - op1_word = op1_ptr[i]; - op2_word = op2_ptr[i]; - if( op1_word != op2_word ) - goto diff; - } - return 0; - - diff: - /* This can *not* be simplified to - * op2_word - op2_word - * since that expression might give signed overflow. */ - return (op1_word > op2_word) ? 1 : -1; -} - |