diff --git a/7.0.082 b/7.0.082 new file mode 100644 index 0000000..1eb5c0e --- /dev/null +++ b/7.0.082 @@ -0,0 +1,103 @@ +To: vim-dev@vim.org +Subject: Patch 7.0.082 +Fcc: outbox +From: Bram Moolenaar +Mime-Version: 1.0 +Content-Type: text/plain; charset=ISO-8859-1 +Content-Transfer-Encoding: 8bit +------------ + +Patch 7.0.082 +Problem: Calling a function that waits for input may cause List and + Dictionary arguments to be freed by the garbage collector. +Solution: Keep a list of all arguments to internal functions. +Files: src/eval.c + + +*** ../vim-7.0.081/src/eval.c Sat Sep 2 13:45:01 2006 +--- src/eval.c Sun Sep 3 15:36:10 2006 +*************** +*** 248,253 **** +--- 248,264 ---- + }; + + /* ++ * Struct used to make a list of all arguments used in internal functions. ++ */ ++ typedef struct av_list_item_S av_list_item_T; ++ struct av_list_item_S { ++ av_list_item_T *avl_next; ++ typval_T *avl_argvars; ++ }; ++ ++ av_list_item_T *argvars_list = NULL; ++ ++ /* + * Info used by a ":for" loop. + */ + typedef struct +*************** +*** 6058,6063 **** +--- 6069,6075 ---- + int i; + funccall_T *fc; + int did_free = FALSE; ++ av_list_item_T *av; + #ifdef FEAT_WINDOWS + tabpage_T *tp; + #endif +*************** +*** 6094,6099 **** +--- 6106,6116 ---- + set_ref_in_ht(&fc->l_avars.dv_hashtab, copyID); + } + ++ /* arguments for internal functions */ ++ for (av = argvars_list; av != NULL; av = av->avl_next) ++ for (i = 0; av->avl_argvars[i].v_type != VAR_UNKNOWN; ++i) ++ set_ref_in_item(&av->avl_argvars[i], copyID); ++ + /* + * 2. Go through the list of dicts and free items without the copyID. + */ +*************** +*** 7537,7545 **** +--- 7554,7574 ---- + error = ERROR_TOOMANY; + else + { ++ av_list_item_T av_list_item; ++ ++ /* Add the arguments to the "argvars_list" to avoid the ++ * garbage collector not seeing them. This isn't needed ++ * for user functions, because the arguments are available ++ * in the a: hashtab. */ ++ av_list_item.avl_argvars = argvars; ++ av_list_item.avl_next = argvars_list; ++ argvars_list = &av_list_item; ++ + argvars[argcount].v_type = VAR_UNKNOWN; + functions[i].f_func(argvars, rettv); + error = ERROR_NONE; ++ ++ argvars_list = av_list_item.avl_next; + } + } + } +*** ../vim-7.0.081/src/version.c Sat Sep 2 17:58:36 2006 +--- src/version.c Sun Sep 3 15:35:16 2006 +*************** +*** 668,669 **** +--- 668,671 ---- + { /* Add new patch number below this line */ ++ /**/ ++ 82, + /**/ + +-- +Just think of all the things we haven't thought of yet. + + /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\ +/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ +\\\ download, build and distribute -- http://www.A-A-P.org /// + \\\ help me help AIDS victims -- http://ICCF-Holland.org ///