Plugin support

.gitignore

@@ -64,3 +64,5 @@ dbtools/grepdb
 dbtools/pwutil
 pcre2
 pcre2-10.*
+game/reboot.db
+plugins/math.so

configure

@@ -10863,7 +10863,7 @@ done
 
 CC="${SAVED_CC}"
 CFLAGS="${SAVED_CFLAGS}"
-LIBS="${SAVED_LIBS}"
+LIBS="${SAVED_LIBS} -ldl"
 
 
 
@@ -11297,7 +11297,7 @@ if test -d pcre2 ; then
    rm -rf pcre2/
 fi
 CPPFLAGS="${CPPFLAGS} -I../pcre2/include"
-LDFLAGS="${LDFLAGS} ../pcre2/lib/libpcre2-8.a"
+LDFLAGS="${LDFLAGS} ../pcre2/lib/libpcre2-8.a -rdynamic -Wl,--unresolved-symbols=ignore-in-object-files"
 $as_echo "#define HAVE_PCRE 1" >>confdefs.h
 
 

hdrs/conf.h

@@ -373,6 +373,7 @@ struct options_table {
     connlog_db[FILE_PATH_LEN]; /**< Sqlite3 file to use for connection logs. */
   char dict_file[FILE_PATH_LEN]; /**< List of words to load into suggest() db */
   char colors_file[FILE_PATH_LEN]; /**< JSON file holding the colors database */
+  char plugins_dir[FILE_PATH_LEN]; /**< Directory for where plugins are found based on the penn-root dir */
 };
 
 typedef struct mssp MSSP;
@@ -548,6 +549,8 @@ int can_view_config_option(dbref player, PENNCONF *opt);
 
 #define READ_REMOTE_DESC (options.read_remote_desc)
 
+#define PLUGINS_DIR (options.plugins_dir)
+
 typedef struct globals_table GLOBALTAB;
 
 /** State of the MUSH

hdrs/plugin.h

@@ -0,0 +1,32 @@
+/**
+ * \file plugin.h
+ *
+ * \brief Routines for Penn's plugin system.
+ */
+
+#ifndef __PENNPLUGIN_H
+#define __PENNPLUGIN_H
+
+typedef struct plugin_info {
+  char *name;
+  char *author;
+  char *app_version;
+  int version_id;
+  char shortdesc[30];
+  char description[BUFFER_LEN];
+} PLUGIN_INFO;
+
+typedef struct penn_plugin {
+  void* handle;
+  char *name;
+  char file[256];
+  int id;
+  PLUGIN_INFO *info;
+} PENN_PLUGIN;
+
+extern HASHTAB plugins;
+
+extern void load_plugins();
+extern void unload_plugins();
+
+#endif /* __PENN_PLUGIN_H */