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This avoids warnings when converting between void * and function pointers, which strict C11 does not allow. * configure.ac (dlfunc): Check for existence. * src/dynlib.c (dlfunc) [!HAVE_DLFUNC]: New macro. (dynlib_func): New function. * src/dynlib.h (dynlib_function_ptr, dynlib_func): New decls. * src/emacs-module.c (Fmodule_load): Use dynlib_func, not dynlib_sym, for function pointers.
34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/* Portable API for dynamic loading.
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Copyright 2015 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef DYNLIB_H
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#define DYNLIB_H
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#include <stdbool.h>
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typedef void *dynlib_handle_ptr;
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dynlib_handle_ptr dynlib_open (const char *path);
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void *dynlib_sym (dynlib_handle_ptr h, const char *sym);
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typedef struct dynlib_function_ptr_nonce *(*dynlib_function_ptr) (void);
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dynlib_function_ptr dynlib_func (dynlib_handle_ptr h, const char *sym);
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bool dynlib_addr (void *ptr, const char **path, const char **sym);
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const char *dynlib_error (void);
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int dynlib_close (dynlib_handle_ptr h);
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#endif /* DYNLIB_H */
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