Import Tcl 8.6.10

libtommath/bn_mp_fwrite.c

@@ -0,0 +1,45 @@
+#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;
+   size_t written;
+
+   /* TODO: this function is not in this PR */
+   if (MP_HAS(MP_RADIX_SIZE_OVERESTIMATE)) {
+      /* if ((err = mp_radix_size_overestimate(&t, base, &len)) != MP_OKAY)      goto LBL_ERR; */
+   } else {
+      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_to_radix(a, buf, (size_t)len, &written, radix)) != MP_OKAY) {
+      goto LBL_ERR;
+   }
+
+   if (fwrite(buf, written, 1uL, stream) != 1uL) {
+      err = MP_ERR;
+      goto LBL_ERR;
+   }
+   err = MP_OKAY;
+
+
+LBL_ERR:
+   MP_FREE_BUFFER(buf, (size_t)len);
+   return err;
+}
+#endif
+
+#endif