Add Chromium-only Blender WebEngine parity work

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

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+/* __gmp_sprintf_funs -- support for gmp_sprintf and gmp_vsprintf.
+
+   THE FUNCTIONS IN THIS FILE ARE FOR INTERNAL USE ONLY.  THEY'RE ALMOST
+   CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR COMPLETELY IN
+   FUTURE GNU MP RELEASES.
+
+Copyright 2001 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/.  */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "gmp-impl.h"
+
+
+/* The data parameter "bufp" points to a "char *buf" which is the next
+   character to be written, having started as the destination from the
+   application.  This is then increased each time output is produced.  */
+
+
+/* If vsprintf returns -1 then pass it upwards.  It doesn't matter that
+   "*bufp" is ruined in this case, since gmp_doprint will bail out
+   immediately anyway.  */
+static int
+gmp_sprintf_format (char **bufp, const char *fmt, va_list ap)
+{
+  char  *buf = *bufp;
+  int   ret;
+  vsprintf (buf, fmt, ap);
+  ret = strlen (buf);
+  *bufp = buf + ret;
+  return ret;
+}
+
+static int
+gmp_sprintf_memory (char **bufp, const char *str, size_t len)
+{
+  char  *buf = *bufp;
+  *bufp = buf + len;
+  memcpy (buf, str, len);
+  return len;
+}
+
+static int
+gmp_sprintf_reps (char **bufp, int c, int reps)
+{
+  char  *buf = *bufp;
+  ASSERT (reps >= 0);
+  *bufp = buf + reps;
+  memset (buf, c, reps);
+  return reps;
+}
+
+static int
+gmp_sprintf_final (char **bufp)
+{
+  char  *buf = *bufp;
+  *buf = '\0';
+  return 0;
+}
+
+const struct doprnt_funs_t  __gmp_sprintf_funs = {
+  (doprnt_format_t) gmp_sprintf_format,
+  (doprnt_memory_t) gmp_sprintf_memory,
+  (doprnt_reps_t)   gmp_sprintf_reps,
+  (doprnt_final_t)  gmp_sprintf_final
+};