From 9ca5df90615aa3c6b60e1bc8f03db6cae98e816c Mon Sep 17 00:00:00 2001 From: Bo Yang Date: Thu, 6 May 2010 21:52:27 -0700 Subject: [PATCH] Add a macro DIFF_QUEUE_CLEAR. Refactor the diff_queue_struct code, this macro help to reset the structure. Signed-off-by: Bo Yang Signed-off-by: Junio C Hamano --- diff.c | 13 +++++-------- diffcore-break.c | 6 ++---- diffcore-pickaxe.c | 3 +-- diffcore-rename.c | 3 +-- diffcore.h | 5 +++++ 5 files changed, 14 insertions(+), 16 deletions(-) diff --git a/diff.c b/diff.c index e40c1271d..4a350e365 100644 --- a/diff.c +++ b/diff.c @@ -2540,6 +2540,7 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o) void diff_setup(struct diff_options *options) { memset(options, 0, sizeof(*options)); + memset(&diff_queued_diff, 0, sizeof(diff_queued_diff)); options->file = stdout; @@ -3457,8 +3458,7 @@ int diff_flush_patch_id(struct diff_options *options, unsigned char *sha1) diff_free_filepair(q->queue[i]); free(q->queue); - q->queue = NULL; - q->nr = q->alloc = 0; + DIFF_QUEUE_CLEAR(q); return result; } @@ -3586,8 +3586,7 @@ void diff_flush(struct diff_options *options) diff_free_filepair(q->queue[i]); free_queue: free(q->queue); - q->queue = NULL; - q->nr = q->alloc = 0; + DIFF_QUEUE_CLEAR(q); if (options->close_file) fclose(options->file); @@ -3609,8 +3608,7 @@ static void diffcore_apply_filter(const char *filter) int i; struct diff_queue_struct *q = &diff_queued_diff; struct diff_queue_struct outq; - outq.queue = NULL; - outq.nr = outq.alloc = 0; + DIFF_QUEUE_CLEAR(&outq); if (!filter) return; @@ -3678,8 +3676,7 @@ static void diffcore_skip_stat_unmatch(struct diff_options *diffopt) int i; struct diff_queue_struct *q = &diff_queued_diff; struct diff_queue_struct outq; - outq.queue = NULL; - outq.nr = outq.alloc = 0; + DIFF_QUEUE_CLEAR(&outq); for (i = 0; i < q->nr; i++) { struct diff_filepair *p = q->queue[i]; diff --git a/diffcore-break.c b/diffcore-break.c index 3a7b60a03..44f8678d2 100644 --- a/diffcore-break.c +++ b/diffcore-break.c @@ -162,8 +162,7 @@ void diffcore_break(int break_score) if (!merge_score) merge_score = DEFAULT_MERGE_SCORE; - outq.nr = outq.alloc = 0; - outq.queue = NULL; + DIFF_QUEUE_CLEAR(&outq); for (i = 0; i < q->nr; i++) { struct diff_filepair *p = q->queue[i]; @@ -256,8 +255,7 @@ void diffcore_merge_broken(void) struct diff_queue_struct outq; int i, j; - outq.nr = outq.alloc = 0; - outq.queue = NULL; + DIFF_QUEUE_CLEAR(&outq); for (i = 0; i < q->nr; i++) { struct diff_filepair *p = q->queue[i]; diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c index d0ef83970..929de15aa 100644 --- a/diffcore-pickaxe.c +++ b/diffcore-pickaxe.c @@ -55,8 +55,7 @@ void diffcore_pickaxe(const char *needle, int opts) int i, has_changes; regex_t regex, *regexp = NULL; struct diff_queue_struct outq; - outq.queue = NULL; - outq.nr = outq.alloc = 0; + DIFF_QUEUE_CLEAR(&outq); if (opts & DIFF_PICKAXE_REGEX) { int err; diff --git a/diffcore-rename.c b/diffcore-rename.c index d6fd3cacd..df41be56d 100644 --- a/diffcore-rename.c +++ b/diffcore-rename.c @@ -569,8 +569,7 @@ void diffcore_rename(struct diff_options *options) /* At this point, we have found some renames and copies and they * are recorded in rename_dst. The original list is still in *q. */ - outq.queue = NULL; - outq.nr = outq.alloc = 0; + DIFF_QUEUE_CLEAR(&outq); for (i = 0; i < q->nr; i++) { struct diff_filepair *p = q->queue[i]; struct diff_filepair *pair_to_free = NULL; diff --git a/diffcore.h b/diffcore.h index fcd00bf27..5d05deaf6 100644 --- a/diffcore.h +++ b/diffcore.h @@ -92,6 +92,11 @@ struct diff_queue_struct { int alloc; int nr; }; +#define DIFF_QUEUE_CLEAR(q) \ + do { \ + (q)->queue = NULL; \ + (q)->nr = (q)->alloc = 0; \ + } while(0); extern struct diff_queue_struct diff_queued_diff; extern struct diff_filepair *diff_queue(struct diff_queue_struct *, -- 2.30.2