kc3-lang/libtommath/bn_mp_fwrite.c

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• Hash : 8d73e158
  Author :
  Date : 2019-05-18T12:37:54
  

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• bn_mp_fwrite.c

• #include "tommath_private.h"
  #ifdef BN_MP_FWRITE_C
  /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  /* SPDX-License-Identifier: Unlicense */
  
  #ifndef MP_NO_FILE
  mp_err mp_fwrite(const mp_int *a, int radix, FILE *stream)
  {
     char *buf;
     mp_err err;
     int len;
  
     if ((err = mp_radix_size(a, radix, &len)) != MP_OKAY) {
        return err;
     }
  
     buf = (char *) MP_MALLOC((size_t)len);
     if (buf == NULL) {
        return MP_MEM;
     }
  
     if ((err = mp_toradix(a, buf, radix)) != MP_OKAY) {
        MP_FREE_BUFFER(buf, (size_t)len);
        return err;
     }
  
     if (fwrite(buf, (size_t)len, 1uL, stream) != 1uL) {
        MP_FREE_BUFFER(buf, (size_t)len);
        return MP_ERR;
     }
  
     MP_FREE_BUFFER(buf, (size_t)len);
     return MP_OKAY;
  }
  #endif
  
  #endif
  

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