commit 1a3e5747b7df7ddda312bbfd18e04fc2122001fb
author Martin Tournoij <martin@arp242.net> Sat Jul 24 13:57:29 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Jul 24 13:57:29 2021 +0200
tree df3916d14b86db869aa32ce5a032e4d7dc09f0fa
parent 5a234eb18e6e43408755bb24e813330306c11629

patch 8.2.3208: dynamic library load error does not mention why it failed

Problem:    Dynamic library load error does not mention why it failed.
Solution:   Add the error message. (Martin Tournoij, closes #8621)

src/if_lua.c

diff --git a/src/if_lua.c b/src/if_lua.c
index c19244f..82dffb0 100644
--- a/src/if_lua.c
+++ b/src/if_lua.c
@@ -105,10 +105,12 @@
 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL)
 # define symbol_from_dll dlsym
 # define close_dll dlclose
+# define load_dll_error dlerror
 #else
 # define load_dll vimLoadLib
 # define symbol_from_dll GetProcAddress
 # define close_dll FreeLibrary
+# define load_dll_error GetWin32Error
 #endif
 
 // lauxlib
@@ -446,7 +448,7 @@
     if (!hinstLua)
     {
 	if (verbose)
-	    semsg(_(e_loadlib), libname);
+	    semsg(_(e_loadlib), libname, load_dll_error());
 	return FAIL;
     }
     for (reg = luaV_dll; reg->func; reg++)