In the file id cache, allow to flag files in the output queue

* src/util.c (file_id): Add queued_output field.
(__insert_file_id): Initialize queued_output.
(set_queued_output, has_queued_output): New functions.
* src/util.h (set_queued_output, has_queued_output): Declare.

2 files changed, 22 insertions, 0 deletions

diff --git a/src/util.c b/src/util.c
index 9177fda..1bd41b8 100644
--- a/src/util.c
+++ b/src/util.c
@@ -58,6 +58,7 @@ typedef struct
   dev_t dev;
   ino_t ino;
   enum file_id_type type;
+  bool queued_output;
   char *sha1;
 } file_id;
 
@@ -104,6 +105,7 @@ __insert_file_id (struct stat const *st, enum file_id_type type)
      next_slot = xmalloc (sizeof *next_slot);
    next_slot->dev = st->st_dev;
    next_slot->ino = st->st_ino;
+   next_slot->queued_output = false;
    next_slot->sha1 = 0;
    p = hash_insert (file_id_table, next_slot);
    if (!p)
@@ -145,6 +147,24 @@ lookup_file_id (struct stat const *st)
 }
 
 void
+set_queued_output (struct stat const *st, bool queued_output)
+{
+  file_id *p = __lookup_file_id (st);
+
+  if (! p)
+    p = __insert_file_id (st, UNKNOWN);
+  p->queued_output = queued_output;
+}
+
+bool
+has_queued_output (struct stat const *st)
+{
+  file_id *p = __lookup_file_id (st);
+
+  return p && p->queued_output;
+}
+
+void
 update_sha1 (struct stat const *st, char const *sha1)
 {
   file_id *p = __lookup_file_id (st);
diff --git a/src/util.h b/src/util.h
index 2913b15..2f81c78 100644
--- a/src/util.h
+++ b/src/util.h
@@ -66,6 +66,8 @@ void set_signals (bool);
 void write_fatal (void) __attribute__ ((noreturn));
 void insert_file_id (struct stat const *, enum file_id_type);
 enum file_id_type lookup_file_id (struct stat const *);
+void set_queued_output (struct stat const *, bool);
+bool has_queued_output (struct stat const *);
 void update_sha1(struct stat const *, char const *);
 char const *lookup_sha1 (struct stat const *);