update: better handling of the keep files

include/ctx.h

@@ -49,7 +49,8 @@ typedef bool (*lm_ctx_serve_callback_t)(lm_pool_t *pool, lm_mptp_t *packet, stru
 typedef bool (*lm_ctx_ping_callback_t)(lm_ctx_t *ctx, lm_pool_t *pool, bool status, void *data);
 typedef bool (*lm_ctx_remove_callback_t)(
     lm_ctx_t *ctx, lm_entry_t *pkg, char *file, size_t current, size_t total, void *data);
-typedef lm_ctx_remove_callback_t lm_ctx_check_callback_t;
+typedef bool (*lm_ctx_check_callback_t)(
+    lm_ctx_t *ctx, lm_entry_t *pkg, char *file, bool success, size_t current, size_t total, void *data);
 
 /* ###############
    ## ctx stuff ##
@@ -89,7 +90,7 @@ bool   lm_ctx_serve(
    ## temp directory fucntions ##
    ############################## */
 char *lm_ctx_temp_dir(lm_ctx_t *ctx, char *dir);
-void  lm_ctx_temp_clear(lm_ctx_t *ctx);
+bool  lm_ctx_temp_clear(lm_ctx_t *ctx);
 
 /* ####################
    ## pool fucntions ##

include/error.h

@@ -142,6 +142,8 @@ typedef enum lm_error {
   LM_ERR_NotDir                = 140,
   LM_ERR_NoWrite               = 141,
   LM_ERR_PoolListBadDir        = 142,
+  LM_ERR_FileNotExist          = 143,
+  LM_ERR_FileNotLink           = 144,
 } lm_error_t;
 
 typedef struct lm_error_desc {

include/util.h

@@ -23,7 +23,7 @@ bool  can_write(char *path);
 bool  can_read(char *path);
 bool  is_file(char *path);
 bool  is_dir(char *path);
-bool  exists(char *path);
+bool  exists(char *path, struct stat *st);
 bool  is_empty(char *p);
 bool  is_dir_empty(char *p);
 bool  rmrf(char *p);