Fix segfault when setting DFHACK_HEADLESS but not PRINT_MODE:TEXT

endwin() is unhappy if initscr() wasn't called
2020-04-28 21:38:47 -04:00 · 2020-04-28 21:38:47 -04:00 · 24cebbda58
parent 6bdbf5b0dd
commit 24cebbda58
1 changed files with 11 additions and 4 deletions
--- a/library/Core.cpp
+++ b/library/Core.cpp
@ -1692,6 +1692,8 @@ bool Core::Init()
    if (is_headless)
    {
 #ifdef LINUX_BUILD
+        if (is_text_mode)
+        {
            auto endwin = (int(*)(void))dlsym(RTLD_DEFAULT, "endwin");
            if (endwin)
            {
@ -1701,6 +1703,11 @@ bool Core::Init()
            {
                cerr << "endwin(): bind failed" << endl;
            }
+        }
+        else
+        {
+            cerr << "Headless mode requires PRINT_MODE:TEXT" << endl;
+        }
 #else
        cerr << "Headless mode not supported on Windows" << endl;
 #endif