From: Karel Zak <kzak@redhat.com>
Date: Thu, 11 Sep 2014 10:48:56 +0000 (+0200)
Subject: libfdisk: add fdisk_set_partition()
X-Git-Tag: v2.26-rc1~385
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0dad2177852708f7840b600e1db888828c8c521e;p=thirdparty%2Futil-linux.git

libfdisk: add fdisk_set_partition()

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/libfdisk/src/fdiskP.h b/libfdisk/src/fdiskP.h
index 1382d9ae73..af0470b682 100644
--- a/libfdisk/src/fdiskP.h
+++ b/libfdisk/src/fdiskP.h
@@ -201,6 +201,9 @@ struct fdisk_label_operations {
 	/* fill in partition struct */
 	int (*get_part)(struct fdisk_context *cxt, size_t n,
 						struct fdisk_partition *pa);
+	/* modify partition */
+	int (*set_part)(struct fdisk_context *cxt, size_t n,
+						struct fdisk_partition *pa);
 
 /*** TODO use set_part() */
 	/* get partition type */
diff --git a/libfdisk/src/libfdisk.h b/libfdisk/src/libfdisk.h
index c49b1db1d2..099bfca1bb 100644
--- a/libfdisk/src/libfdisk.h
+++ b/libfdisk/src/libfdisk.h
@@ -198,6 +198,7 @@ extern int fdisk_get_disklabel_id(struct fdisk_context *cxt, char **id);
 extern int fdisk_set_disklabel_id(struct fdisk_context *cxt);
 
 extern int fdisk_get_partition(struct fdisk_context *cxt, size_t partno, struct fdisk_partition **pa);
+extern int fdisk_set_partition(struct fdisk_context *cxt, size_t partno, struct fdisk_partition *pa);
 extern int fdisk_add_partition(struct fdisk_context *cxt, struct fdisk_partition *pa, size_t *partno);
 extern int fdisk_delete_partition(struct fdisk_context *cxt, size_t partno);
 
@@ -206,6 +207,7 @@ extern int fdisk_delete_all_partitions(struct fdisk_context *cxt);
 extern int fdisk_set_partition_type(struct fdisk_context *cxt, size_t partnum,
 			     struct fdisk_parttype *t);
 
+
 extern int fdisk_label_get_fields_ids(
 			struct fdisk_label *lb,
 			struct fdisk_context *cxt,
diff --git a/libfdisk/src/partition.c b/libfdisk/src/partition.c
index bf60fb628b..4f83f72754 100644
--- a/libfdisk/src/partition.c
+++ b/libfdisk/src/partition.c
@@ -589,6 +589,34 @@ int fdisk_get_partition(struct fdisk_context *cxt, size_t partno,
 	return rc;
 }
 
+/**
+ * fdisk_set_partition:
+ * @cxt: context
+ * @partno: partition nuymber
+ * @pa: new partition setting
+ *
+ * Returns: 0 on success, <0 on error.
+ */
+int fdisk_set_partition(struct fdisk_context *cxt, size_t partno,
+			struct fdisk_partition *pa)
+{
+	if (!cxt || !cxt->label || !pa)
+		return -EINVAL;
+	if (!cxt->label->op->set_part)
+		return -ENOSYS;
+
+	DBG(CXT, ul_debugobj(cxt, "setting partition %zu %p (start=%ju, end=%ju, size=%ju, "
+		    "defaults(start=%s, end=%s, partno=%s)",
+		    partno, pa,
+		    pa->start,
+		    pa->end,
+		    pa->size,
+		    pa->start_follow_default ? "yes" : "no",
+		    pa->end_follow_default ? "yes" : "no",
+		    pa->partno_follow_default ? "yes" : "no"));
+
+	return cxt->label->op->set_part(cxt, partno, pa);
+}
 
 /**
  * fdisk_add_partition: