From 9f6fd40982ae95e878d42cd8a79cc2460ae85e81 Mon Sep 17 00:00:00 2001
From: Kit Chan <kichan@apache.org>
Date: Sun, 14 Jan 2024 00:18:59 -0800
Subject: [PATCH 1/2] Update test_TextView.cc

---
 unit_tests/test_TextView.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/unit_tests/test_TextView.cc b/unit_tests/test_TextView.cc
index ebeb6c2..a310a58 100644
--- a/unit_tests/test_TextView.cc
+++ b/unit_tests/test_TextView.cc
@@ -459,6 +459,7 @@ TEST_CASE("TextView Conversions", "[libswoc][TextView]") {
   TextView n6 = "0X13f8";
   TextView n7 = "-2345679";
   TextView n8 = "+2345679";
+  TextView n9 = "-9223372036854775808";
   TextView x;
   n2.ltrim_if(&isspace);
 
@@ -482,6 +483,7 @@ TEST_CASE("TextView Conversions", "[libswoc][TextView]") {
   REQUIRE(2345679 == svtoi(n8, &x));
   REQUIRE(x == n8);
   REQUIRE(0b10111 == svtoi("0b10111"_tv));
+  REQUIRE(-9223372036854775808 == svtoi(n9));
 
   x = n4;
   REQUIRE(13 == swoc::svto_radix<10>(x));

From 224e7dc47770ae8c0d9b37d315ac8771c5f5b9c8 Mon Sep 17 00:00:00 2001
From: Kit Chan <kichan@apache.org>
Date: Sun, 14 Jan 2024 00:19:57 -0800
Subject: [PATCH 2/2] Update TextView.cc

---
 code/src/TextView.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/code/src/TextView.cc b/code/src/TextView.cc
index fbfb343..5e6cd74 100644
--- a/code/src/TextView.cc
+++ b/code/src/TextView.cc
@@ -63,7 +63,12 @@ svtoi(TextView src, TextView *out, int base) {
         out->assign(start, parsed.data_end());
       }
       if (neg) {
-        zret = -intmax_t(std::min<uintmax_t>(n, ABS_MIN));
+        uintmax_t temp = std::min<uintmax_t>(n, ABS_MIN);
+        if (temp == ABS_MIN) {
+          zret = std::numeric_limits<intmax_t>::min();
+        } else {
+          zret = -intmax_t(temp);
+        }
       } else {
         zret = std::min(n, ABS_MAX);
       }