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-rw-r--r--ubi-utils/src/libpeb/peb.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/ubi-utils/src/libpeb/peb.c b/ubi-utils/src/libpeb/peb.c
new file mode 100644
index 0000000..08b770f
--- /dev/null
+++ b/ubi-utils/src/libpeb/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 <stdlib.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+
+#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);
+}