Add a file descriptor to the flow file structure.

src/flow-file.c

@@ -177,6 +177,8 @@ static FlowFile *FlowFileAlloc(uint8_t *name, uint16_t name_len) {
     }
     memset(new, 0, sizeof(FlowFile));
 
+    new->fd = -1;
+
     new->name = SCMalloc(name_len);
     if (new->name == NULL) {
         SCFree(new);
@@ -193,6 +195,9 @@ static void FlowFileFree(FlowFile *ff) {
     if (ff == NULL)
         return;
 
+    if (ff->fd != -1)
+        close(ff->fd);
+
     if (ff->name != NULL)
         SCFree(ff->name);
     SCFree(ff);

src/flow-file.h

@@ -53,7 +53,8 @@ typedef struct FlowFileData_ {
 typedef struct FlowFile_ {
     uint8_t *name;
     uint16_t name_len;
-    FlowFileState state;
+    int16_t state;
+    int fd;                     /**< file discriptor for storing files */
     FlowFileData *chunks_head;
     FlowFileData *chunks_tail;
     struct FlowFile_ *next;