From 016b1faede70ff2e902ccd586f70fc37fcd45f3f Mon Sep 17 00:00:00 2001
From: Vladislav Shchapov <vladislav@shchapov.ru>
Date: Sat, 16 Sep 2023 19:26:36 +0500
Subject: [PATCH] Fix symbol leak (#3627)

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
---
 include/fmt/format.h | 9 ++++++++-
 test/format-test.cc  | 4 ++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/fmt/format.h b/include/fmt/format.h
index 9d406d50..277c6b48 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -99,6 +99,13 @@
 #  define FMT_VISIBILITY(value)
 #endif
 
+#if !defined(FMT_HEADER_ONLY) && !defined(_WIN32) && \
+    (defined(FMT_LIB_EXPORT) || defined(FMT_SHARED))
+#  define FMT_INLINE_API FMT_VISIBILITY("default")
+#else
+#  define FMT_INLINE_API
+#endif
+
 #ifdef __has_builtin
 #  define FMT_HAS_BUILTIN(x) __has_builtin(x)
 #else
@@ -1046,7 +1053,7 @@ FMT_BEGIN_EXPORT
 #endif
 
 /** An error reported from a formatting function. */
-class FMT_VISIBILITY("default") format_error : public std::runtime_error {
+class FMT_INLINE_API format_error : public std::runtime_error {
  public:
   using std::runtime_error::runtime_error;
 };
diff --git a/test/format-test.cc b/test/format-test.cc
index aef2d697..5b99c5c7 100644
--- a/test/format-test.cc
+++ b/test/format-test.cc
@@ -443,6 +443,10 @@ TEST(memory_buffer_test, max_size_allocator_overflow) {
   EXPECT_THROW(buffer.resize(161), std::exception);
 }
 
+TEST(format_test, exception_from_lib) {
+  EXPECT_THROW_MSG(fmt::throw_format_error("test"), format_error, "test");
+}
+
 TEST(format_test, escape) {
   EXPECT_EQ("{", fmt::format("{{"));
   EXPECT_EQ("before {", fmt::format("before {{"));