From 3b33fa0aeb5262335cd708b167caad8f41b8a5dd Mon Sep 17 00:00:00 2001 From: Clyne Sullivan Date: Thu, 29 Mar 2018 13:36:29 -0400 Subject: documentation, error fixes, organization --- error.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 error.c (limited to 'error.c') diff --git a/error.c b/error.c new file mode 100644 index 0000000..5719313 --- /dev/null +++ b/error.c @@ -0,0 +1,41 @@ +/** + * @file error.c + * Provides a simple error-logging mechanism. + * + * Copyright (C) 2018 Clyne Sullivan + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "error.h" + +static int lastError = ENONE; + +static const char *errorTable[] = { + "no error", + "undefined value", + "bad parameter" +}; + +int seterror(int error) +{ + if (error < EMAX) + lastError = error; + return -lastError; +} + +const char *geterror(void) +{ + return errorTable[lastError]; +} -- cgit v1.2.3