From a96f44074650a1fa064645f245e9f38c14450b70 Mon Sep 17 00:00:00 2001
From: Fabrice Bellard <fabrice@bellard.org>
Date: Fri, 22 Dec 2023 11:02:39 +0100
Subject: [PATCH] fixed js_strtod with large integers (github issue #206)

---
 quickjs.c              | 8 ++++++--
 tests/test_language.js | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/quickjs.c b/quickjs.c
index d68abf7..2b7f99b 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -9950,12 +9950,13 @@ static inline int to_digit(int c)
 }
 
 /* XXX: remove */
-static double js_strtod(const char *p, int radix, BOOL is_float)
+static double js_strtod(const char *str, int radix, BOOL is_float)
 {
     double d;
     int c;
     
     if (!is_float || radix != 10) {
+        const char *p = str;
         uint64_t n_max, n;
         int int_exp, is_neg;
         
@@ -9982,6 +9983,8 @@ static double js_strtod(const char *p, int radix, BOOL is_float)
             if (n <= n_max) {
                 n = n * radix + c;
             } else {
+                if (radix == 10)
+                    goto strtod_case;
                 int_exp++;
             }
             p++;
@@ -9993,7 +9996,8 @@ static double js_strtod(const char *p, int radix, BOOL is_float)
         if (is_neg)
             d = -d;
     } else {
-        d = strtod(p, NULL);
+    strtod_case:
+        d = strtod(str, NULL);
     }
     return d;
 }
diff --git a/tests/test_language.js b/tests/test_language.js
index 8d13deb..cc3349d 100644
--- a/tests/test_language.js
+++ b/tests/test_language.js
@@ -120,6 +120,7 @@ function test_cvt()
     assert((Infinity >>> 0) === 0);
     assert(((-Infinity) >>> 0) === 0);
     assert(((4294967296 * 3 - 4) >>> 0) === (4294967296 - 4));
+    assert((19686109595169230000).toString() === "19686109595169230000");
 }
 
 function test_eq()