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revision: export commit_stack

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Dynamic arrays of commit pointers are used in several places.  Some of
them use a custom struct to hold array, item count and capacity, others
have them as separate variables linked by a common name part.

Pick one succinct, clean implementation -- commit_stack -- and convert
the different variants to it to reduce code duplication.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2025-12-24 18:03:14 +01:00
committed by Junio C Hamano
parent 66ce5f8e88
commit d8a17ef09b
3 changed files with 27 additions and 23 deletions
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10
commit.h
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@@ -381,4 +381,14 @@ int parse_buffer_signed_by_header(const char *buffer,
const struct git_hash_algo *algop);
int add_header_signature(struct strbuf *buf, struct strbuf *sig, const struct git_hash_algo *algo);
struct commit_stack {
struct commit **items;
size_t nr, alloc;
};
#define COMMIT_STACK_INIT { 0 }
void commit_stack_push(struct commit_stack *, struct commit *);
struct commit *commit_stack_pop(struct commit_stack *);
void commit_stack_clear(struct commit_stack *);
#endif /* COMMIT_H */