From 958a816794b9382fe90585b674ee8b96ed6aa8bf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ren=C3=A9=20Scharfe?= Date: Wed, 24 Dec 2025 18:03:25 +0100 Subject: [PATCH] commit: add commit_stack_grow() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a function for increasing the capacity of a commit_stack. It is useful for reducing reallocations when the target size is known in advance. Signed-off-by: René Scharfe Signed-off-by: Junio C Hamano --- commit.c | 7 ++++++- commit.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/commit.c b/commit.c index 55b1c8d2f8..28bb5ce029 100644 --- a/commit.c +++ b/commit.c @@ -1988,9 +1988,14 @@ void commit_stack_init(struct commit_stack *stack) stack->nr = stack->alloc = 0; } +void commit_stack_grow(struct commit_stack *stack, size_t extra) +{ + ALLOC_GROW(stack->items, st_add(stack->nr, extra), stack->alloc); +} + void commit_stack_push(struct commit_stack *stack, struct commit *commit) { - ALLOC_GROW(stack->items, stack->nr + 1, stack->alloc); + commit_stack_grow(stack, 1); stack->items[stack->nr++] = commit; } diff --git a/commit.h b/commit.h index 7c01a76425..79a761c37d 100644 --- a/commit.h +++ b/commit.h @@ -388,6 +388,7 @@ struct commit_stack { #define COMMIT_STACK_INIT { 0 } void commit_stack_init(struct commit_stack *); +void commit_stack_grow(struct commit_stack *, size_t); void commit_stack_push(struct commit_stack *, struct commit *); struct commit *commit_stack_pop(struct commit_stack *); void commit_stack_clear(struct commit_stack *);