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-rw-r--r--src/bftw.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/src/bftw.c b/src/bftw.c
index 64991b0..0ca6f34 100644
--- a/src/bftw.c
+++ b/src/bftw.c
@@ -253,7 +253,7 @@ struct bftw_file {
/** The length of the file's name. */
size_t namelen;
/** The file's name. */
- char name[];
+ char name[]; // _counted_by(namelen + 1)
};
/**
@@ -448,7 +448,7 @@ static void bftw_queue_rebalance(struct bftw_queue *queue, bool async) {
}
}
-/** Detatch the next waiting file. */
+/** Detach the next waiting file. */
static void bftw_queue_detach(struct bftw_queue *queue, struct bftw_file *file, bool async) {
bfs_assert(!file->ioqueued);
@@ -1008,6 +1008,7 @@ static int bftw_ioq_pop(struct bftw_state *state, bool block) {
return -1;
}
+ ioq_submit(ioq);
struct ioq_ent *ent = ioq_pop(ioq, block);
if (!ent) {
return -1;
@@ -1051,6 +1052,10 @@ static int bftw_ioq_pop(struct bftw_state *state, bool block) {
bftw_queue_attach(&state->fileq, file, true);
break;
+
+ default:
+ bfs_bug("Unexpected ioq op %d", (int)op);
+ break;
}
ioq_free(ioq, ent);
@@ -1162,12 +1167,13 @@ static int bftw_file_open(struct bftw_state *state, struct bftw_file *file, cons
struct bftw_list parents;
SLIST_INIT(&parents);
- struct bftw_file *cur;
- for (cur = file; cur != base; cur = cur->parent) {
+ // Reverse the chain of parents
+ for (struct bftw_file *cur = file; cur != base; cur = cur->parent) {
SLIST_PREPEND(&parents, cur);
}
- while ((cur = SLIST_POP(&parents))) {
+ // Open each component relative to its parent
+ drain_slist (struct bftw_file, cur, &parents) {
if (!cur->parent || cur->parent->fd >= 0) {
bftw_file_openat(state, cur, cur->parent, cur->name);
}
@@ -1479,7 +1485,8 @@ fail:
/** Check if we should stat() a file asynchronously. */
static bool bftw_should_ioq_stat(struct bftw_state *state, struct bftw_file *file) {
- // To avoid surprising users too much, process the roots in order
+ // POSIX wants the root paths to be processed in order
+ // See https://www.austingroupbugs.net/view.php?id=1859
if (file->depth == 0) {
return false;
}
@@ -1870,8 +1877,8 @@ static int bftw_gc(struct bftw_state *state, enum bftw_gc_flags flags) {
}
state->direrror = 0;
- while ((file = SLIST_POP(&state->to_close, ready))) {
- bftw_unwrapdir(state, file);
+ drain_slist (struct bftw_file, dead, &state->to_close, ready) {
+ bftw_unwrapdir(state, dead);
}
enum bftw_gc_flags visit = BFTW_VISIT_FILE;
@@ -1952,6 +1959,10 @@ static void bftw_flush(struct bftw_state *state) {
bftw_queue_flush(&state->dirq);
bftw_ioq_opendirs(state);
+
+ if (state->ioq) {
+ ioq_submit(state->ioq);
+ }
}
/** Close the current directory. */