1f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#include <tommath.h> 2f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#ifdef BN_MP_FWRITE_C 3f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* LibTomMath, multiple-precision integer library -- Tom St Denis 4f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 5f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * LibTomMath is a library that provides multiple-precision 6f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * integer arithmetic as well as number theoretic functionality. 7f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 8f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The library was designed directly after the MPI library by 9f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Michael Fromberger but has been written from scratch with 10f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * additional optimizations in place. 11f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 12f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The library is free for all purposes without any express 13f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * guarantee it works. 14f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 15f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com 16f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project */ 17f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 18f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectint mp_fwrite(mp_int *a, int radix, FILE *stream) 19f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project{ 20f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project char *buf; 21f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project int err, len, x; 22f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 23f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project if ((err = mp_radix_size(a, radix, &len)) != MP_OKAY) { 24f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return err; 25f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project } 26f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 27f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project buf = OPT_CAST(char) XMALLOC (len); 28f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project if (buf == NULL) { 29f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return MP_MEM; 30f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project } 31f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 32f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project if ((err = mp_toradix(a, buf, radix)) != MP_OKAY) { 33f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project XFREE (buf); 34f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return err; 35f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project } 36f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 37f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project for (x = 0; x < len; x++) { 38f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project if (fputc(buf[x], stream) == EOF) { 39f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project XFREE (buf); 40f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return MP_VAL; 41f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project } 42f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project } 43f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 44f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project XFREE (buf); 45f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return MP_OKAY; 46f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project} 47f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 48f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#endif 49f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 50f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Source: /cvs/libtom/libtommath/bn_mp_fwrite.c,v $ */ 51f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Revision: 1.3 $ */ 52f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Date: 2006/03/31 14:18:44 $ */ 53