CVS: blob/src/blob partition.c,1.3,1.4

[Erik M. <er...@us...>]

Update of /cvsroot/blob/blob/src/blob
In directory usw-pr-cvs1:/tmp/cvs-serv26515/src/blob

Modified Files:
	partition.c 
Log Message:
This has been lying around in my CVS sandbox for too long. It's obviously
correct, so why don't commit it :)



Index: partition.c
===================================================================
RCS file: /cvsroot/blob/blob/src/blob/partition.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- partition.c	13 Feb 2002 00:19:57 -0000	1.3
+++ partition.c	19 Mar 2002 21:08:38 -0000	1.4
@@ -1,7 +1,7 @@
 /*
  * partition.c: flash partitioning
  *
- * Copyright (C) 2001  Erik Mouw <J.A...@it...>
+ * Copyright (C) 2001 2002  Erik Mouw <J.A...@it...>
  *
  * $Id$
  *
@@ -202,7 +202,7 @@
 
 
 
-void ptable_print(const blob_partition_t *t)
+static void ptable_print(const blob_partition_t *t)
 {
 	printf("Partition table for %d kB flash @ 0x%08x:\n",
 	       t->size / 1024, t->offset);
@@ -304,6 +304,70 @@
 }
 
 __initlist(ptable_init, INIT_LEVEL_OTHER_STUFF + 2);
+
+
+
+
+const blob_partition_t *pt_find_by_name(const char *s)
+{
+	blob_partition_t *t = ptable;
+
+	/* first entry is always the descriptor so it's safe to skip
+	 * it */
+
+	for(;;) {
+		t = next_ptable_entry(t);
+
+		switch(t->magic) {
+		case BLOB_PART_LAST_MAGIC:
+			/* this is the last one, we didn't find it :( */
+			return NULL;
+
+		case BLOB_PART_VALID_MAGIC:
+			if(strncmp(t->name, s, BLOB_PART_NAMELEN))
+				return t;
+			break;
+
+		case BLOB_PART_INVALID_MAGIC:
+			/* skip */
+			break;
+
+		default:
+			eprintf("ptable magic failed at 0x%08x\n", (u32)t);
+			return NULL;
+		}
+	}
+}
+
+
+
+
+const blob_partition_t *pt_find_by_address(u32 addr)
+{
+	blob_partition_t *t = ptable;
+
+	for(;;) {
+		t = next_ptable_entry(t);
+
+		switch(t->magic) {
+		case BLOB_PART_LAST_MAGIC:
+			return NULL;
+
+		case BLOB_PART_VALID_MAGIC:
+			if((addr >= t->offset) && 
+			   (addr < (t->offset + t->size)))
+				return t;
+			break;
+
+		case BLOB_PART_INVALID_MAGIC:
+			break;
+
+		default:
+			eprintf("ptable magic failed at 0x%08x\n", (u32)t);
+			return NULL;
+		}
+	}
+}