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CodingGuidelines: allow declaring variables in for loops

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Since 44ba10d671 (revision: use C99 declaration of variable in for()
loop, 2021-11-14) released with v2.35.0 we've had a variable declared
with in a for loop.

Since then we've had inadvertent follow-ups to that with at least
cb2607759e (merge-ort: store more specific conflict information,
2022-06-18) released with v2.38.0.

As November 2022 is within the window of this upcoming release,
let's update the guideline to allow this.  We can have the promised
"revisit" discussion while this patch cooks, and drop it if it turns
out that it is still premature, which is not expected to happen at
this moment.

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
2022-10-10 13:37:58 -07:00
committed by Junio C Hamano
parent 442c27dde7
commit 82dd01d81b
2 changed files with 2 additions and 15 deletions
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7
revision.c
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@ -47,13 +47,6 @@ static inline int want_ancestry(const struct rev_info *revs);
void show_object_with_name(FILE *out, struct object *obj, const char *name)
{
fprintf(out, "%s ", oid_to_hex(&obj->oid));
/*
* This "for (const char *p = ..." is made as a first step towards
* making use of such declarations elsewhere in our codebase. If
* it causes compilation problems on your platform, please report
* it to the Git mailing list at git@vger.kernel.org. In the meantime,
* adding -std=gnu99 to CFLAGS may help if you are with older GCC.
*/
for (const char *p = name; *p && *p != '\n'; p++)
fputc(*p, out);
fputc('\n', out);