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tar: make safe for -Wunused-parameter

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This also ports to C23 [[maybe_unused]].
* configure.ac (WARN_CFLAGS): Do not add -Wno-unused-parameter.
Add MAYBE_UNUSED where needed in source code.
Also, put it at the front where C23 requires it.
This commit is contained in:
Paul Eggert
2023-06-25 14:28:36 -07:00
parent fdff045d4b
commit 2ccd643d01
14 changed files with 108 additions and 110 deletions
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src/create.c
+4 -4
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@@ -1737,7 +1737,7 @@ dump_file0 (struct tar_stat_info *st, char const *name, char const *p)
bool ok;
struct stat st2;
xattrs_acls_get (parentfd, name, st, 0, !is_dir);
xattrs_acls_get (parentfd, name, st, !is_dir);
xattrs_selinux_get (parentfd, name, st, fd);
xattrs_xattrs_get (parentfd, name, st, fd);
@@ -1900,21 +1900,21 @@ dump_file0 (struct tar_stat_info *st, char const *name, char const *p)
else if (S_ISCHR (st->stat.st_mode))
{
type = CHRTYPE;
xattrs_acls_get (parentfd, name, st, 0, true);
xattrs_acls_get (parentfd, name, st, true);
xattrs_selinux_get (parentfd, name, st, 0);
xattrs_xattrs_get (parentfd, name, st, 0);
}
else if (S_ISBLK (st->stat.st_mode))
{
type = BLKTYPE;
xattrs_acls_get (parentfd, name, st, 0, true);
xattrs_acls_get (parentfd, name, st, true);
xattrs_selinux_get (parentfd, name, st, 0);
xattrs_xattrs_get (parentfd, name, st, 0);
}
else if (S_ISFIFO (st->stat.st_mode))
{
type = FIFOTYPE;
xattrs_acls_get (parentfd, name, st, 0, true);
xattrs_acls_get (parentfd, name, st, true);
xattrs_selinux_get (parentfd, name, st, 0);
xattrs_xattrs_get (parentfd, name, st, 0);
}