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reftable: make assignments portable to AIX xlc v12.01 

Change the assignment syntax introduced in 66c0dabab5 (reftable: make
reftable_record a tagged union, 2022-01-20) to be portable to AIX xlc
v12.1:

    avar@gcc111:[/home/avar]xlc -qversion
    IBM XL C/C++ for AIX, V12.1 (5765-J02, 5725-C72)
    Version: 12.01.0000.0000

The error emitted before this was e.g.:

    "reftable/generic.c", line 133.26: 1506-196 (S) Initialization
    between types "char*" and "struct reftable_ref_record" is not
    allowed.

The syntax in the pre-image is supported by e.g. xlc 13.01 on a newer
AIX version:

    avar@gcc119:[/home/avar]xlc -qversion
    IBM XL C/C++ for AIX, V13.1.3 (5725-C72, 5765-J07)
    Version: 13.01.0003.0006

But as we've otherwise supported this compiler let's not break it
entirely if it's easy to work around it.

Suggested-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2022-03-28 21:10:04 +02:00 committed by Junio C Hamano
parent abf474a5dd
commit 33665d98e6
3 changed files with 18 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
reftable/generic.c
View File

@ -130,7 +130,9 @@ int reftable_iterator_next_ref(struct reftable_iterator *it,
{
struct reftable_record rec = {
.type = BLOCK_TYPE_REF,
.u.ref = *ref,
.u = {
.ref = *ref
},
};
int err = iterator_next(it, &rec);
*ref = rec.u.ref;
@ -142,7 +144,9 @@ int reftable_iterator_next_log(struct reftable_iterator *it,
{
struct reftable_record rec = {
.type = BLOCK_TYPE_LOG,
.u.log = *log,
.u = {
.log = *log,
},
};
int err = iterator_next(it, &rec);
*log = rec.u.log;

4
reftable/record_test.c
View File

@ -339,7 +339,9 @@ static void test_reftable_obj_record_roundtrip(void)
};
struct reftable_record in = {
.type = BLOCK_TYPE_OBJ,
.u.obj = recs[i],
.u = {
.obj = recs[i],
},
};
struct strbuf key = STRBUF_INIT;
struct reftable_record out = { .type = BLOCK_TYPE_OBJ };

12
reftable/writer.c
View File

@ -257,7 +257,9 @@ int reftable_writer_add_ref(struct reftable_writer *w,
{
struct reftable_record rec = {
.type = BLOCK_TYPE_REF,
.u.ref = *ref,
.u = {
.ref = *ref
},
};
int err = 0;
@ -308,7 +310,9 @@ static int reftable_writer_add_log_verbatim(struct reftable_writer *w,
{
struct reftable_record rec = {
.type = BLOCK_TYPE_LOG,
.u.log = *log,
.u = {
.log = *log,
},
};
if (w->block_writer &&
block_writer_type(w->block_writer) == BLOCK_TYPE_REF) {
@ -401,7 +405,9 @@ static int writer_finish_section(struct reftable_writer *w)
for (i = 0; i < idx_len; i++) {
struct reftable_record rec = {
.type = BLOCK_TYPE_INDEX,
.u.idx = idx[i],
.u = {
.idx = idx[i],
},
};
if (block_writer_add(w->block_writer, &rec) == 0) {
continue;