Create_Chunk_DWIM() is here, though it doesn't quite do what the name implies.

4 files changed, 53 insertions, 4 deletions

diff --git a/lib/libdisk/Makefile b/lib/libdisk/Makefile
index 8fc56f0..3d58dfa 100644
--- a/lib/libdisk/Makefile
+++ b/lib/libdisk/Makefile
@@ -12,7 +12,7 @@ NOSHARED=	yes
 
 BOOTS=/usr/mdec
 
-data.c:
+data.c:	libdisk.h ${BOOTS}/boot1 ${BOOTS}/boot2
 	file2c 'const unsigned char boot1[] = {' '};' \
                 < ${BOOTS}/boot1 > tmp.c
 	file2c 'const unsigned char boot2[] = {' '};' \
diff --git a/lib/libdisk/create_chunk.c b/lib/libdisk/create_chunk.c
index 2ce62e9..4d530f4 100644
--- a/lib/libdisk/create_chunk.c
+++ b/lib/libdisk/create_chunk.c
@@ -6,7 +6,7 @@
  * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
  * ----------------------------------------------------------------------------
  *
- * $Id: create_chunk.c,v 1.11 1995/05/08 00:44:46 phk Exp $
+ * $Id: create_chunk.c,v 1.12 1995/05/08 01:26:47 phk Exp $
  *
  */
 
@@ -164,3 +164,35 @@ Create_Chunk(struct disk *d, u_long offset, u_long size, chunk_e type, int subty
 	Fixup_Names(d);
 	return i;
 }
+
+struct chunk *
+Create_Chunk_DWIM(struct disk *d, struct chunk *parent , u_long size, chunk_e type, int subtype, u_long flags)
+{
+	int i;
+	struct chunk *c1;
+	u_long offset;
+
+	if (!parent)
+		parent = d->chunks;
+	if (type == freebsd)
+		subtype = 0xa5;
+	for (c1=parent->part; c1 ; c1 = c1->next) {
+		if (c1->type != unused) continue;
+		if (c1->size < size) continue;
+		offset = c1->offset;
+		goto found;
+	}
+	warn("Not enough unused space");
+	return 0;
+    found:
+	i = Add_Chunk(d,offset,size,"X",type,subtype,flags);
+	if (i) {
+		warn("Didn't cut it");
+		return 0;
+	}
+	Fixup_Names(d);
+	for (c1=parent->part; c1 ; c1 = c1->next)
+		if (c1->offset == offset) 
+			return c1;
+	err(1,"Serious internal trouble");
+}
diff --git a/lib/libdisk/libdisk.h b/lib/libdisk/libdisk.h
index 728fc24..767bec0 100644
--- a/lib/libdisk/libdisk.h
+++ b/lib/libdisk/libdisk.h
@@ -6,7 +6,7 @@
  * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
  * ----------------------------------------------------------------------------
  *
- * $Id: libdisk.h,v 1.13 1995/05/06 03:28:30 phk Exp $
+ * $Id: libdisk.h,v 1.14 1995/05/08 02:08:30 phk Exp $
  *
  */
 
@@ -199,6 +199,13 @@ Prev_Track_Aligned(struct disk *d, u_long offset);
 	 * bios geometry
 	 */
 
+struct chunk *
+Create_Chunk_DWIM(struct disk *d, struct chunk *parent , u_long size, chunk_e type, int subtype, u_long flags);
+	/* This one creates a partition inside the given parent of the given
+	 * size, and returns a pointer to it.  The first unused chunk big
+	 * enough is used.
+	 */
+
 /* 
  * Implementation details  >>> DO NOT USE <<<
  */
diff --git a/lib/libdisk/tst01.c b/lib/libdisk/tst01.c
index 6670963..b32253a 100644
--- a/lib/libdisk/tst01.c
+++ b/lib/libdisk/tst01.c
@@ -6,7 +6,7 @@
  * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
  * ----------------------------------------------------------------------------
  *
- * $Id: tst01.c,v 1.9 1995/05/03 17:38:00 jkh Exp $
+ * $Id: tst01.c,v 1.10 1995/05/04 07:00:56 phk Exp $
  *
  */
 
@@ -168,6 +168,16 @@ main(int argc, char **argv)
 		if (!strcasecmp(*cmds,"exit")) { break; }
 		if (!strcasecmp(*cmds,"q")) { break; }
 		if (!strcasecmp(*cmds,"x")) { break; }
+		if (!strcasecmp(*cmds,"dwim") && ncmd == 6) {
+			printf("dwim = %p\n",
+				Create_Chunk_DWIM(d,
+					(struct chunk *)strtol(cmds[1],0,0)),
+					strtol(cmds[2],0,0),
+					strtol(cmds[3],0,0),
+					strtol(cmds[4],0,0),
+					strtol(cmds[5],0,0) );
+			continue;
+		}
 		if (!strcasecmp(*cmds,"delete") && ncmd == 2) {
 			printf("delete = %d\n",
 				Delete_Chunk(d,