- int fd;
-
- if (!stream)
- return;
-
- fd = fileno(stream);
- flock(fd, LOCK_UN);
- fclose(stream);
-}
-
-static void uci_parse_history_line(struct uci_context *ctx, struct uci_package *p, char *buf)
-{
- bool delete = false;
- bool rename = false;
- char *package = NULL;
- char *section = NULL;
- char *option = NULL;
- char *value = NULL;
-
- if (buf[0] == '-') {
- delete = true;
- buf++;
- } else if (buf[0] == '@') {
- rename = true;
- buf++;
- }
-
- UCI_INTERNAL(uci_parse_tuple, ctx, buf, &package, §ion, &option, &value);
- if (!package || !section || (!delete && !value))
- goto error;
- if (strcmp(package, p->e.name) != 0)
- goto error;
- if (!uci_validate_name(section))
- goto error;
- if (option && !uci_validate_name(option))
- goto error;
-
- if (rename)
- UCI_INTERNAL(uci_rename, ctx, p, section, option, value);
- else if (delete)
- UCI_INTERNAL(uci_delete, ctx, p, section, option);
- else
- UCI_INTERNAL(uci_set, ctx, p, section, option, value);
-
- return;
-error:
- UCI_THROW(ctx, UCI_ERR_PARSE);
-}
-
-static void uci_parse_history(struct uci_context *ctx, FILE *stream, struct uci_package *p)
-{
- struct uci_parse_context *pctx;
-
- /* make sure no memory from previous parse attempts is leaked */
- uci_file_cleanup(ctx);
-
- pctx = (struct uci_parse_context *) uci_malloc(ctx, sizeof(struct uci_parse_context));
- ctx->pctx = pctx;
- pctx->file = stream;
-
- while (!feof(pctx->file)) {
- uci_getln(ctx, 0);
- if (!pctx->buf[0])
- continue;
-
- /*
- * ignore parse errors in single lines, we want to preserve as much
- * history as possible
- */
- UCI_TRAP_SAVE(ctx, error);
- uci_parse_history_line(ctx, p, pctx->buf);
- UCI_TRAP_RESTORE(ctx);
-error:
- continue;
- }
-
- /* no error happened, we can get rid of the parser context now */
- uci_file_cleanup(ctx);
-}
-
-static void uci_load_history(struct uci_context *ctx, struct uci_package *p, bool flush)
-{
- char *filename = NULL;
- FILE *f = NULL;