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kc3-lang/libtommath/bn_error.c

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  • Author : Tom St Denis
    Date : 2004-10-29 22:07:18
    Hash : e549ccfe
    Message : added libtommath-0.32

  • bn_error.c
  • #include <tommath.h>
    #ifdef BN_ERROR_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.
     *
     * The library is free for all purposes without any express
     * guarantee it works.
     *
     * Tom St Denis, tomstdenis@iahu.ca, http://math.libtomcrypt.org
     */
    
    static const struct {
         int code;
         char *msg;
    } msgs[] = {
         { MP_OKAY, "Successful" },
         { MP_MEM,  "Out of heap" },
         { MP_VAL,  "Value out of range" }
    };
    
    /* return a char * string for a given code */
    char *mp_error_to_string(int code)
    {
       int x;
    
       /* scan the lookup table for the given message */
       for (x = 0; x < (int)(sizeof(msgs) / sizeof(msgs[0])); x++) {
           if (msgs[x].code == code) {
              return msgs[x].msg;
           }
       }
    
       /* generic reply for invalid code */
       return "Invalid error code";
    }
    
    #endif