fix: Fix matching of base directory for MSVC

The base directory will now match case-insensitively with absolute paths
in preprocessed output, or from /showIncludes in the depend mode case,
when compiling with MSVC.

2 files changed, 5 insertions, 1 deletions

diff --git a/unittest/test_argprocessing.cpp b/unittest/test_argprocessing.cpp
index 1a59f6a2..062d6622 100644
--- a/unittest/test_argprocessing.cpp
+++ b/unittest/test_argprocessing.cpp
@@ -59,7 +59,9 @@ get_posix_path(const std::string& path)
   std::string posix;
 
   // /-escape volume.
-  if (path[0] >= 'A' && path[0] <= 'Z' && path[1] == ':') {
+  if (path[1] == ':'
+      && ((path[0] >= 'A' && path[0] <= 'Z')
+          || (path[0] >= 'a' && path[0] <= 'z'))) {
     posix = "/" + path;
   } else {
     posix = path;
diff --git a/unittest/test_util_path.cpp b/unittest/test_util_path.cpp
index 43defcad..8bb703df 100644
--- a/unittest/test_util_path.cpp
+++ b/unittest/test_util_path.cpp
@@ -131,6 +131,8 @@ TEST_CASE("util::path_starts_with")
   CHECK(util::path_starts_with("C:/foo/bar", "C:\\\\foo"));
   CHECK(util::path_starts_with("C:\\foo\\bar", "C:/foo"));
   CHECK(util::path_starts_with("C:\\\\foo\\\\bar", "C:/foo"));
+  CHECK(util::path_starts_with("C:/FOO/BAR", "c:\\foo"));
+  CHECK(util::path_starts_with("c:/foo/bar", "C:\\FOO"));
   CHECK(!util::path_starts_with("C:\\foo\\bar", "/foo/baz"));
   CHECK(!util::path_starts_with("C:\\foo\\bar", "C:/foo/baz"));
   CHECK(!util::path_starts_with("C:\\beh\\foo", "/foo"));