From c47485371ac69797b487f9549368fab62859de78 Mon Sep 17 00:00:00 2001 From: Clyne Sullivan Date: Tue, 24 Apr 2018 14:11:01 -0400 Subject: file cleanup, better text, documentation --- src/initrd.c | 87 ------------------------------------------------------------ 1 file changed, 87 deletions(-) delete mode 100644 src/initrd.c (limited to 'src/initrd.c') diff --git a/src/initrd.c b/src/initrd.c deleted file mode 100644 index 8b0c80b..0000000 --- a/src/initrd.c +++ /dev/null @@ -1,87 +0,0 @@ -/** - * @file initrd.c - * Initrd image support - * - * 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 . - */ - -/** - * The format of the initrd file is custom; made with the 'rba' utility. - */ - -#include -#include -#include - -extern uint8_t _binary_initrd_img_start[]; -extern uint8_t _binary_initrd_img_size[]; - -static const uint8_t *initrd_start = (uint8_t *)_binary_initrd_img_start; -static const uint32_t initrd_size = (uint32_t)_binary_initrd_img_size; - -uint8_t initrd_validate(void) -{ - return 1; // TODO maybe add header/signature to archiver? -} - -char *initrd_getfile(uint32_t offset) -{ - char *ptr = initrd_start; - for (uint32_t i = 0; i < offset; i++) { - uint32_t len = *((uint32_t *)ptr); - uint32_t datalen = *((uint32_t *)(ptr + 4 + len)); - ptr += len + datalen + 8; - if (ptr >= (char *)(initrd_start + initrd_size)) - return 0; - } - - return ptr; -} - -char *initrd_getname(uint32_t offset) -{ - char *file = initrd_getfile(offset); - if (file == 0) - return 0; - uint32_t len = *((uint32_t *)file); - char *buf = malloc(len + 1); - strncpy(buf, file + 4, len); - buf[len] = '\0'; - return buf; -} - -char *initrd_readfile(const char *name) -{ - char *ptr; - for (uint32_t i = 0; ptr = initrd_getfile(i), ptr != 0; i++) { - uint32_t len = *((uint32_t *)ptr); - if (!strncmp(name, ptr + 4, len)) - return ptr + len + 8; - } - return 0; -} - -uint32_t initrd_filesize(const char *name) -{ - char *ptr; - for (uint32_t i = 0; ptr = initrd_getfile(i), ptr != 0; i++) { - uint32_t len = *((uint32_t *)ptr); - if (!strncmp(name, ptr + 4, len)) - return *((uint32_t *)(ptr + len + 4)); - } - return 0; -} - -- cgit v1.2.3