Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/gmp-source/printf/asprntffuns.c

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+/* __gmp_asprintf_memory etc -- formatted output to allocated space.
+
+Copyright 2001, 2002 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+  * the GNU Lesser General Public License as published by the Free
+    Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+or
+
+  * the GNU General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your option) any
+    later version.
+
+or both in parallel, as here.
+
+The GNU MP Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library.  If not,
+see https://www.gnu.org/licenses/.  */
+
+
+/* These routines are in a separate file so that the mpz_t, mpq_t and mpf_t
+   operator<< routines can avoid dragging vsnprintf into the link (via
+   __gmp_asprintf_format).  */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "gmp-impl.h"
+
+
+int
+__gmp_asprintf_memory (struct gmp_asprintf_t *d, const char *str, size_t len)
+{
+  GMP_ASPRINTF_T_NEED (d, len);
+  memcpy (d->buf + d->size, str, len);
+  d->size += len;
+  return len;
+}
+
+int
+__gmp_asprintf_reps (struct gmp_asprintf_t *d, int c, int reps)
+{
+  GMP_ASPRINTF_T_NEED (d, reps);
+  memset (d->buf + d->size, c, reps);
+  d->size += reps;
+  return reps;
+}
+
+int
+__gmp_asprintf_final (struct gmp_asprintf_t *d)
+{
+  char  *buf = d->buf;
+  ASSERT (d->alloc >= d->size + 1);
+  buf[d->size] = '\0';
+  __GMP_REALLOCATE_FUNC_MAYBE_TYPE (buf, d->alloc, d->size+1, char);
+  *d->result = buf;
+  return 0;
+}