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-rw-r--r--libtommath/bn_mp_export.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/libtommath/bn_mp_export.c b/libtommath/bn_mp_export.c
index ea48e90..c9de48b 100644
--- a/libtommath/bn_mp_export.c
+++ b/libtommath/bn_mp_export.c
@@ -1,31 +1,22 @@
#include "tommath_private.h"
#ifdef BN_MP_EXPORT_C
-/* LibTomMath, multiple-precision integer library -- Tom St Denis
- *
- * LibTomMath is a library that provides multiple-precision
- * integer arithmetic as well as number theoretic functionality.
- *
- * The library was designed directly after the MPI library by
- * Michael Fromberger but has been written from scratch with
- * additional optimizations in place.
- *
- * SPDX-License-Identifier: Unlicense
- */
+/* LibTomMath, multiple-precision integer library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
/* based on gmp's mpz_export.
* see http://gmplib.org/manual/Integer-Import-and-Export.html
*/
-int mp_export(void *rop, size_t *countp, int order, size_t size,
- int endian, size_t nails, const mp_int *op)
+mp_err mp_export(void *rop, size_t *countp, int order, size_t size,
+ int endian, size_t nails, const mp_int *op)
{
- int result;
+ mp_err err;
size_t odd_nails, nail_bytes, i, j, bits, count;
unsigned char odd_nail_mask;
mp_int t;
- if ((result = mp_init_copy(&t, op)) != MP_OKAY) {
- return result;
+ if ((err = mp_init_copy(&t, op)) != MP_OKAY) {
+ return err;
}
if (endian == 0) {
@@ -61,9 +52,9 @@ int mp_export(void *rop, size_t *countp, int order, size_t size,
*byte = (unsigned char)((j == ((size - nail_bytes) - 1u)) ? (t.dp[0] & odd_nail_mask) : (t.dp[0] & 0xFFuL));
- if ((result = mp_div_2d(&t, (j == ((size - nail_bytes) - 1u)) ? (int)(8u - odd_nails) : 8, &t, NULL)) != MP_OKAY) {
+ if ((err = mp_div_2d(&t, (j == ((size - nail_bytes) - 1u)) ? (int)(8u - odd_nails) : 8, &t, NULL)) != MP_OKAY) {
mp_clear(&t);
- return result;
+ return err;
}
}
}
@@ -78,7 +69,3 @@ int mp_export(void *rop, size_t *countp, int order, size_t size,
}
#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */