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refs: refactor reference status flags

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The reference flags encode information like whether or not a reference
is a symbolic reference or whether it may be broken. This information is
stored in a `int flags` bitfield, which is in conflict with our modern
best practices; we tend to use an unsigned integer to store flags.

Change the type of the field to be `unsigned`. While at it, refactor the
individual flags to be part of an `enum` instead of using preprocessor
defines.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2025-10-23 09:16:13 +02:00
committed by Junio C Hamano
parent 4cea042287
commit eb2934d94b
1 changed files with 21 additions and 20 deletions
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41
refs.h
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@@ -333,27 +333,28 @@ struct ref_transaction;
* stored in ref_iterator::flags. Other bits are for internal use
* only:
*/
enum reference_status {
/* Reference is a symbolic reference. */
REF_ISSYMREF = (1 << 0),
/* Reference is a symbolic reference. */
#define REF_ISSYMREF 0x01
/* Reference is a packed reference. */
REF_ISPACKED = (1 << 1),
/* Reference is a packed reference. */
#define REF_ISPACKED 0x02
/*
* Reference cannot be resolved to an object name: dangling symbolic
* reference (directly or indirectly), corrupt reference file,
* reference exists but name is bad, or symbolic reference refers to
* ill-formatted reference name.
*/
REF_ISBROKEN = (1 << 2),
/*
* Reference cannot be resolved to an object name: dangling symbolic
* reference (directly or indirectly), corrupt reference file,
* reference exists but name is bad, or symbolic reference refers to
* ill-formatted reference name.
*/
#define REF_ISBROKEN 0x04
/*
* Reference name is not well formed.
*
* See git-check-ref-format(1) for the definition of well formed ref names.
*/
#define REF_BAD_NAME 0x08
/*
* Reference name is not well formed.
*
* See git-check-ref-format(1) for the definition of well formed ref names.
*/
REF_BAD_NAME = (1 << 3),
};
/* A reference passed to `for_each_ref()`-style callbacks. */
struct reference {
@@ -370,8 +371,8 @@ struct reference {
*/
const struct object_id *oid;
/* A bitfield of `REF_` flags. */
int flags;
/* A bitfield of `enum reference_status` flags. */
unsigned flags;
};
/*