From: Fabrice Bellard <fabrice@bellard.org>
Date: Tue, 10 Nov 2026 10:16:24 +0000 (+0100)
Subject: moved OOB in Intl.NumberFormat (#610 point 4)
X-Git-Url: https://git.kaiwu.me/?a=commitdiff_plain;h=3cbe3f2fea7c14c1e57c434346b491418159b9a9;p=quickjs.git

moved OOB in Intl.NumberFormat (#610 point 4)
---

diff --git a/intl/numberformat.c b/intl/numberformat.c
index 60ef2f1..8efe89f 100644
--- a/intl/numberformat.c
+++ b/intl/numberformat.c
@@ -2425,9 +2425,13 @@ static JSValue intl_mv_format_scientific(JSContext *ctx, IntlMV *mv, JSNumberFor
     /* Integer part of mantissa */
     {
         char *int_buf = js_malloc(ctx, (size_t)digits_before + 1);
+        int n;
         if (!int_buf) goto sci_fail;
-        memcpy(int_buf, mv->digits, (size_t)digits_before);
-        int_buf[digits_before] = '\0';
+        n = min_int(digits_before, mv->num_digits);
+        memcpy(int_buf, mv->digits, n);
+        while (n < digits_before)
+            int_buf[n++] = '0';
+        int_buf[n] = '\0';
         dbuf_putstr(&db, int_buf);
         if (!JS_IsUndefined(parts))
             nf_add_part(ctx, parts, "integer", int_buf);
diff --git a/tests/test_intl.js b/tests/test_intl.js
index 4b3b81b..b881fe9 100644
--- a/tests/test_intl.js
+++ b/tests/test_intl.js
@@ -224,7 +224,8 @@ function test_numberFormat() {
     assert(new Intl.NumberFormat('en', { style: 'percent' }).format(0.5), "50%", "en percent");
     assert(new Intl.NumberFormat('en', { style: 'currency', currency: 'EUR' }).format(1234.56),
            "€1,234.56", "en EUR currency");
-
+    assert(new Intl.NumberFormat("en", { notation: "engineering" }).format(1e23), "100E21");
+    
     // de
     assert(new Intl.NumberFormat('de').format(1234567.89), "1.234.567,89", "de number");
     assert(new Intl.NumberFormat('de').format(1000000), "1.000.000", "de grouping");