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Port unused decls to C2x

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* src/conf_post.h (ATTRIBUTE_UNUSED): Remove.  All uses replaced
by MAYBE_UNUSED, and moved to start as needed for C2x.
This commit is contained in:
Paul Eggert 2021-10-03 20:04:09 -07:00
parent 317eb2d5b5
commit d00f3d4c05
4 changed files with 5 additions and 6 deletions
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1
src/conf_post.h
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@ -293,7 +293,6 @@ extern int emacs_setenv_TZ (char const *);
ATTRIBUTE_FORMAT ((PRINTF_ARCHETYPE, string_index, first_to_check))
#define ARG_NONNULL ATTRIBUTE_NONNULL
#define ATTRIBUTE_UNUSED MAYBE_UNUSED
/* Declare NAME to be a pointer to an object of type TYPE, initialized
to the address ADDR, which may be of a different type. Accesses

2
src/process.c
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@ -4004,7 +4004,7 @@ usage: (make-network-process &rest ARGS) */)
if (!NILP (host))
{
ptrdiff_t portstringlen ATTRIBUTE_UNUSED;
MAYBE_UNUSED ptrdiff_t portstringlen;
/* SERVICE can either be a string or int.
Convert to a C string for later use by getaddrinfo. */

6
src/unexcw.c
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@ -48,7 +48,7 @@ static exe_header_t *
read_exe_header (int fd, exe_header_t * exe_header_buffer)
{
int i;
int ret ATTRIBUTE_UNUSED;
MAYBE_UNUSED int ret;
assert (fd >= 0);
assert (exe_header_buffer != 0);
@ -111,7 +111,7 @@ fixup_executable (int fd)
exe_header_t exe_header_buffer;
exe_header_t *exe_header;
int i;
int ret ATTRIBUTE_UNUSED;
MAYBE_UNUSED int ret;
int found_data = 0;
int found_bss = 0;
@ -269,7 +269,7 @@ unexec (const char *outfile, const char *infile)
int fd_in;
int fd_out;
int ret;
int ret2 ATTRIBUTE_UNUSED;
MAYBE_UNUSED int ret2;
infile = add_exe_suffix_if_necessary (infile, infile_buffer);
outfile = add_exe_suffix_if_necessary (outfile, outfile_buffer);

2
src/xterm.c
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@ -4049,7 +4049,7 @@ x_delete_glyphs (struct frame *f, int n)
/* Like XClearArea, but check that WIDTH and HEIGHT are reasonable.
If they are <= 0, this is probably an error. */
static ATTRIBUTE_UNUSED void
MAYBE_UNUSED static void
x_clear_area1 (Display *dpy, Window window,
int x, int y, int width, int height, int exposures)
{