[Crosstoolchain-logs] [device-tree-compiler] 117/357: dtc: store labels in ascending order

[Hector Oron]

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zumbi pushed a commit to branch upstream/1.3.x
in repository device-tree-compiler.

commit 43a68c63e46c88b94068c18255db2d6c7d9e3740
Author: Milton Miller <miltonm at bga.com>
Date:   Sat Jul 7 01:18:52 2007 -0500

    dtc: store labels in ascending order
    
    When adding a label, walk to the end of the list since the
    label reflects the end of the data.
    
    Since merging data buffers already preserved the order, this
    will cause the labels to be emitted in order when writing
    assembly output.
    
    It should also aid emiting labels when writing dts output
    should that be added in the future (data formatting would
    need to break at each label).
    
    Signed-off-by: Milton Miller <miltonm at bga.com>
---
 data.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/data.c b/data.c
index 3e96d11..f42ad58 100644
--- a/data.c
+++ b/data.c
@@ -301,16 +301,22 @@ struct data data_add_fixup(struct data d, char *ref)
 
 struct data data_add_label(struct data d, char *label)
 {
-	struct fixup *f;
+	struct fixup *f, **p;
 	struct data nd;
 
 	f = xmalloc(sizeof(*f));
 	f->offset = d.len;
 	f->ref = label;
-	f->next = d.labels;
 
 	nd = d;
-	nd.labels = f;
+	p = &nd.labels;
+
+	/* adding to end keeps them sorted */
+	while (*p)
+		p = &((*p)->next);
+
+	f->next = *p;
+	*p = f;
 
 	return nd;
 }

-- 
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