File 3242-Print-all-64-bit-integers-in-base-10.patch of Package erlang

Overview Repositories Revisions Requests Users Attributes Meta

File 3242-Print-all-64-bit-integers-in-base-10.patch of Package erlang

From 8fd34a6fc178b98da2934d0443e749d05d6ba896 Mon Sep 17 00:00:00 2001
From: Rickard Green <rickard@erlang.org>
Date: Fri, 8 Jan 2021 11:55:56 +0100
Subject: [PATCH 2/3] Print all 64-bit integers in base 10

---
 lib/erl_interface/src/misc/ei_printterm.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/lib/erl_interface/src/misc/ei_printterm.c b/lib/erl_interface/src/misc/ei_printterm.c
index 7c2cd2d35f..3a464377b1 100644
--- a/lib/erl_interface/src/misc/ei_printterm.c
+++ b/lib/erl_interface/src/misc/ei_printterm.c
@@ -91,8 +91,25 @@ static char *ei_big_to_str(erlang_big *b)
     unsigned short *sp;
     int i;
 
+    /* Number of 16-bit digits */
     no_digits = (b->arity + 1) / 2;
 
+    if (no_digits <= 4) {
+        EI_ULONGLONG val;
+        buf_len = 22;
+        s = buf = malloc(buf_len);
+        if (!buf)
+            return NULL;
+        val = 0;
+        sp=b->digits;
+        for (i = 0; i < no_digits; i++)
+            val |= ((EI_ULONGLONG) sp[i]) << (i*16);
+        if (b->is_neg)
+            s += sprintf(s,"-");
+        sprintf(s, "%llu", val);
+        return buf;
+    }
+
     buf_len = (!!b->is_neg /* "-" */
                + 9 /* "#integer(" */
                + 10 /* %d */
-- 
2.26.2

Places

File 3242-Print-all-64-bit-integers-in-base-10.patch of Package erlang

Places