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f6fb2b9e1f
C23 is adding the C++ keywords bool, true, and false; prefer them to <stdbool.h> if they are available. * admin/merge-gnulib (GNULIB_MODULES): Add stdbool, which emulates C23 on pre-C23 platforms. (AVOIDED_MODULES): Remove stdbool; Gnulib has renamed this module to stdbool-c99 and nobody uses it so it does not need to be avoided. * m4/c-bool.m4: New file, from Gnulib stdbool module. * lib-src/seccomp-filter.c, src/conf_post.h, src/dynlib.h: * src/emacs-module.c, src/nsterm.m, src/systhread.h: * test/src/emacs-module-resources/mod-test.c: Use the C23 style and use bool without including <stdbool.h>. The Gnulib stdbool module causes config.h to include stdbool.h on pre-C23 platforms. * src/emacs-module.h.in: Don’t include <stdbool.h> if C23 or later, or if it has already been included.
41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
/* Portable API for dynamic loading.
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Copyright 2015-2022 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 (at
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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 <https://www.gnu.org/licenses/>. */
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#ifndef DYNLIB_H
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#define DYNLIB_H
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#include <attribute.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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dynlib_handle_ptr dynlib_open_for_eln (const char *path);
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int dynlib_close (dynlib_handle_ptr h);
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const char *dynlib_error (void);
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ATTRIBUTE_MAY_ALIAS void *dynlib_sym (dynlib_handle_ptr h, const char *sym);
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typedef void (ATTRIBUTE_MAY_ALIAS *dynlib_function_ptr) (void);
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dynlib_function_ptr dynlib_func (dynlib_handle_ptr h, const char *sym);
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/* Sets *FILE to the file name from which PTR was loaded, and *SYM to
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its symbol name. If the file or symbol name could not be
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determined, set the corresponding argument to NULL. */
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void dynlib_addr (void (*ptr) (void), const char **file, const char **sym);
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#endif /* DYNLIB_H */
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