Zbigniew Jędrzejewski-Szmek
5c672e90a6
When looking at how dlopen for various libs is implemented, I found that the macros hide too much. I find it much easier to see what is going on if 'extern' and '= NULL' are written explicitly. After all, we don't hide those for other definitions, e.g. our style guide says that static variables should be initialized with '= NULL'. With that change, it's much more obvious what is a variable declaration and what is a variable initialization.
68 lines
3.0 KiB
C
68 lines
3.0 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include "libarchive-util.h"
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#if HAVE_LIBARCHIVE
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static void *libarchive_dl = NULL;
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DLSYM_PROTOTYPE(archive_entry_free) = NULL;
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DLSYM_PROTOTYPE(archive_entry_new) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_ctime) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_filetype) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_gid) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_mtime) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_pathname) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_perm) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_rdevmajor) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_rdevminor) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_symlink) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_size) = NULL;
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DLSYM_PROTOTYPE(archive_entry_set_uid) = NULL;
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DLSYM_PROTOTYPE(archive_error_string) = NULL;
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DLSYM_PROTOTYPE(archive_write_close) = NULL;
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DLSYM_PROTOTYPE(archive_write_data) = NULL;
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DLSYM_PROTOTYPE(archive_write_free) = NULL;
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DLSYM_PROTOTYPE(archive_write_header) = NULL;
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DLSYM_PROTOTYPE(archive_write_new) = NULL;
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DLSYM_PROTOTYPE(archive_write_open_FILE) = NULL;
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DLSYM_PROTOTYPE(archive_write_open_fd) = NULL;
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DLSYM_PROTOTYPE(archive_write_set_format_filter_by_ext) = NULL;
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DLSYM_PROTOTYPE(archive_write_set_format_gnutar) = NULL;
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int dlopen_libarchive(void) {
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ELF_NOTE_DLOPEN("archive",
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"Support for decompressing archive files",
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ELF_NOTE_DLOPEN_PRIORITY_SUGGESTED,
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"libarchive.so.13");
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return dlopen_many_sym_or_warn(
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&libarchive_dl,
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"libarchive.so.13",
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LOG_DEBUG,
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DLSYM_ARG(archive_entry_free),
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DLSYM_ARG(archive_entry_new),
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DLSYM_ARG(archive_entry_set_ctime),
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DLSYM_ARG(archive_entry_set_filetype),
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DLSYM_ARG(archive_entry_set_gid),
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DLSYM_ARG(archive_entry_set_mtime),
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DLSYM_ARG(archive_entry_set_pathname),
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DLSYM_ARG(archive_entry_set_perm),
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DLSYM_ARG(archive_entry_set_rdevmajor),
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DLSYM_ARG(archive_entry_set_rdevminor),
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DLSYM_ARG(archive_entry_set_size),
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DLSYM_ARG(archive_entry_set_symlink),
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DLSYM_ARG(archive_entry_set_uid),
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DLSYM_ARG(archive_error_string),
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DLSYM_ARG(archive_write_close),
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DLSYM_ARG(archive_write_data),
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DLSYM_ARG(archive_write_free),
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DLSYM_ARG(archive_write_header),
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DLSYM_ARG(archive_write_new),
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DLSYM_ARG(archive_write_open_FILE),
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DLSYM_ARG(archive_write_open_fd),
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DLSYM_ARG(archive_write_set_format_filter_by_ext),
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DLSYM_ARG(archive_write_set_format_gnutar));
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}
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#endif
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