From fafb03fa6d764f3cedf80e222a1e5998b80ef79c Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Sat, 30 Nov 2019 06:35:52 -0800
Subject: [PATCH] Fix handling of fallback_uintptr

---
 include/fmt/format.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Index: fmt-6.0.0/include/fmt/format.h
===================================================================
--- fmt-6.0.0.orig/include/fmt/format.h
+++ fmt-6.0.0/include/fmt/format.h
@@ -281,6 +281,12 @@ template <typename Container>
 inline typename Container::value_type* get_data(Container& c) {
   return c.data();
 }
+template <typename T> constexpr int digits() {
+  return std::numeric_limits<T>::digits;
+}
+template <> constexpr int digits<fallback_uintptr>() {
+  return sizeof(void*) * std::numeric_limits<unsigned char>::digits;
+}
 
 #ifdef _SECURE_SCL
 // Make a checked iterator to avoid MSVC warnings.
@@ -900,7 +906,7 @@ Char* format_uint(Char* buffer, internal
 template <unsigned BASE_BITS, typename Char, typename It, typename UInt>
 inline It format_uint(It out, UInt value, int num_digits, bool upper = false) {
   // Buffer should be large enough to hold all digits (digits / BASE_BITS + 1).
-  char buffer[std::numeric_limits<UInt>::digits / BASE_BITS + 1];
+  char buffer[digits<UInt>() / BASE_BITS + 1];
   format_uint<BASE_BITS>(buffer, value, num_digits, upper);
   return internal::copy_str<Char>(buffer, buffer + num_digits, out);
 }