Fix `readlink` overloading for fortified musl

Issue #231

src/file_utils.cpp

@@ -100,7 +100,7 @@ bool dir_exists(const std::string& path)
     return !stat(path.c_str(), &s) && S_ISDIR(s.st_mode);
 }
 
-std::string readlink(const char * link)
+std::string read_symlink(const char * link)
 {
     char result[PATH_MAX] {};
     ssize_t count = readlink(link, result, PATH_MAX);
@@ -109,7 +109,7 @@ std::string readlink(const char * link)
 
 std::string get_exe_path()
 {
-    return readlink("/proc/self/exe");
+    return read_symlink("/proc/self/exe");
 }
 
 bool get_wine_exe_name(std::string& name, bool keep_ext)

src/file_utils.h

@@ -15,7 +15,7 @@ bool find_folder(const std::string& root, const std::string& prefix, std::string
 std::vector<std::string> ls(const char* root, const char* prefix = nullptr, LS_FLAGS flags = LS_DIRS);
 bool file_exists(const std::string& path);
 bool dir_exists(const std::string& path);
-std::string readlink(const char * link);
+std::string read_symlink(const char * link);
 std::string get_exe_path();
 bool get_wine_exe_name(std::string& name, bool keep_ext = false);
 std::string get_home_dir();

src/overlay.cpp

@@ -612,7 +612,7 @@ void init_gpu_stats(uint32_t& vendorID, overlay_params& params)
 
          path += "/device";
          if (pci_bus_parsed && pci_dev) {
-            string pci_device = readlink(path.c_str());
+            string pci_device = read_symlink(path.c_str());
 #ifndef NDEBUG
             std::cerr << "PCI device symlink: " << pci_device << "\n";
 #endif