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-rw-r--r--src/OSSupport/File.cpp19
1 files changed, 17 insertions, 2 deletions
diff --git a/src/OSSupport/File.cpp b/src/OSSupport/File.cpp
index 7ad1b3f81..fcd5ec027 100644
--- a/src/OSSupport/File.cpp
+++ b/src/OSSupport/File.cpp
@@ -456,10 +456,25 @@ AString cFile::ReadWholeFile(const AString & a_FileName)
AString cFile::ChangeFileExt(const AString & a_FileName, const AString & a_NewExt)
{
auto res = a_FileName;
+
+ // If the path separator is the last character of the string, return the string unmodified (refers to a folder):
+ #ifdef _WIN32
+ auto LastPathSep = res.find_last_of("/\\"); // Find either path separator - Windows accepts slashes as separators, too
+ #else
+ auto LastPathSep = res.rfind('/');
+ #endif
+ if ((LastPathSep != AString::npos) && (LastPathSep + 1 == res.size()))
+ {
+ return res;
+ }
+
auto DotPos = res.rfind('.');
- if (DotPos == AString::npos)
+ if (
+ (DotPos == AString::npos) || // No dot found
+ ((LastPathSep != AString::npos) && (LastPathSep > DotPos)) // Last dot is before the last path separator (-> in folder name)
+ )
{
- // No extension, just append it:
+ // No extension, just append the new one:
res.push_back('.');
res.append(a_NewExt);
}