LCOV - code coverage report
Current view: top level - source4/heimdal/lib/hcrypto/libtommath - bn_mp_read_signed_bin.c (source / functions) Hit Total Coverage
Test: coverage report for abartlet/fix-coverage dd10fb34 Lines: 0 7 0.0 %
Date: 2021-09-23 10:06:22 Functions: 0 1 0.0 %

          Line data    Source code
       1             : #include <tommath.h>
       2             : #ifdef BN_MP_READ_SIGNED_BIN_C
       3             : /* LibTomMath, multiple-precision integer library -- Tom St Denis
       4             :  *
       5             :  * LibTomMath is a library that provides multiple-precision
       6             :  * integer arithmetic as well as number theoretic functionality.
       7             :  *
       8             :  * The library was designed directly after the MPI library by
       9             :  * Michael Fromberger but has been written from scratch with
      10             :  * additional optimizations in place.
      11             :  *
      12             :  * The library is free for all purposes without any express
      13             :  * guarantee it works.
      14             :  *
      15             :  * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
      16             :  */
      17             : 
      18             : /* read signed bin, big endian, first byte is 0==positive or 1==negative */
      19           0 : int mp_read_signed_bin (mp_int * a, const unsigned char *b, int c)
      20             : {
      21             :   int     res;
      22             : 
      23             :   /* read magnitude */
      24           0 :   if ((res = mp_read_unsigned_bin (a, b + 1, c - 1)) != MP_OKAY) {
      25           0 :     return res;
      26             :   }
      27             : 
      28             :   /* first byte is 0 for positive, non-zero for negative */
      29           0 :   if (b[0] == 0) {
      30           0 :      a->sign = MP_ZPOS;
      31             :   } else {
      32           0 :      a->sign = MP_NEG;
      33             :   }
      34             : 
      35           0 :   return MP_OKAY;
      36             : }
      37             : #endif
      38             : 
      39             : /* $Source: /cvs/libtom/libtommath/bn_mp_read_signed_bin.c,v $ */
      40             : /* $Revision: 1.5 $ */
      41             : /* $Date: 2006/12/28 01:25:13 $ */

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