From 6ccd7242c4c1404dafb64cd937adc3c65ce02385 Mon Sep 17 00:00:00 2001 From: Frank Haverkamp Date: Wed, 21 Jun 2006 14:26:02 +0200 Subject: [MTD] UBI: Removed automake, autoconf, added ubi userspace headers. Signed-off-by: Frank Haverkamp --- ubi-utils/src/peb.c | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 ubi-utils/src/peb.c (limited to 'ubi-utils/src/peb.c') diff --git a/ubi-utils/src/peb.c b/ubi-utils/src/peb.c new file mode 100644 index 0000000..08b770f --- /dev/null +++ b/ubi-utils/src/peb.c @@ -0,0 +1,116 @@ +/* + * Copyright (c) International Business Machines Corp., 2006 + * + * 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 2 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, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include +#include + +#include "peb.h" + +int +peb_cmp(peb_t eb_1, peb_t eb_2) +{ + assert(eb_1); + assert(eb_2); + + return eb_1->num == eb_2->num ? 0 + : eb_1->num > eb_2->num ? 1 : -1; +} + +int +peb_new(uint32_t eb_num, uint32_t eb_size, peb_t *peb) +{ + int rc = 0; + + peb_t res = (peb_t) malloc(sizeof(struct peb)); + if (!res) { + rc = -ENOMEM; + goto err; + } + + res->num = eb_num; + res->size = eb_size; + res->data = (uint8_t*) malloc(res->size * sizeof(uint8_t)); + if (!res->data) { + rc = -ENOMEM; + goto err; + } + memset(res->data, 0xff, res->size); + + *peb = res; + return 0; +err: + if (res) { + if (res->data) + free(res->data); + free(res); + } + *peb = NULL; + return rc; +} + +int +peb_fill(peb_t peb, uint8_t* buf, size_t buf_size) +{ + if (!peb) + return -EINVAL; + + if (buf_size > peb->size) + return -EINVAL; + + memcpy(peb->data, buf, buf_size); + return 0; +} + +int +peb_write(FILE* fp_out, peb_t peb) +{ + size_t written = 0; + + if (peb == NULL) + return -EINVAL; + + written = fwrite(peb->data, 1, peb->size, fp_out); + + if (written != peb->size) + return -EIO; + + return 0; +} + +int +peb_free(peb_t* peb) +{ + peb_t tmp = *peb; + if (tmp) { + if (tmp->data) + free(tmp->data); + free(tmp); + } + *peb = NULL; + + return 0; +} + +void peb_dump(FILE* fp_out, peb_t peb) +{ + fprintf(fp_out, "num: %08d\tsize: 0x%08x\n", peb->num, peb->size); +} -- cgit v1.2.3