mirror of https://github.com/vitalif/e2fsprogs
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
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/*
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* Copyright 2003 by MIT Student Information Processing Board
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose is hereby granted, provided that
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* the names of M.I.T. and the M.I.T. S.I.P.B. not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. M.I.T. and the
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* M.I.T. S.I.P.B. make no representations about the suitability of
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* this software for any purpose. It is provided "as is" without
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* express or implied warranty.
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*/
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#ifdef HAS_STDLIB_H
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#include <stdlib.h>
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#endif
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#include "ss_internal.h"
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#define size sizeof(ss_data *)
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#ifdef HAVE_DLOPEN
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#include <dlfcn.h>
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#endif
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static void ss_release_readline(ss_data *info)
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{
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#ifdef HAVE_DLOPEN
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if (!info->readline_handle)
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return;
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info->readline = 0;
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info->add_history = 0;
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info->redisplay = 0;
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info->rl_completion_matches = 0;
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dlclose(info->readline_handle);
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info->readline_handle = 0;
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#endif
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}
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void ss_get_readline(int sci_idx)
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{
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#ifdef HAVE_DLOPEN
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void *handle;
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ss_data *info = ss_info(sci_idx);
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const char **t;
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char **(**completion_func)(const char *, int, int);
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if (info->readline_handle ||
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getenv("SS_NO_READLINE") ||
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((handle = dlopen("libreadline.so", RTLD_NOW)) == NULL))
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return;
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info->readline_handle = handle;
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info->readline = dlsym(handle, "readline");
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info->add_history = dlsym(handle, "add_history");
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info->redisplay = dlsym(handle, "rl_forced_update_display");
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info->rl_completion_matches = dlsym(handle, "rl_completion_matches");
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if ((t = dlsym(handle, "rl_readline_name")) != NULL)
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*t = info->subsystem_name;
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if ((completion_func =
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dlsym(handle, "rl_attempted_completion_function")) != NULL)
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*completion_func = ss_rl_completion;
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info->readline_shutdown = ss_release_readline;
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#endif
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}
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