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authorThomas White <taw@bitwiz.org.uk>2018-03-07 13:00:55 +0100
committerThomas White <taw@bitwiz.org.uk>2018-03-07 13:00:55 +0100
commit8fb0c2bd7c8308914f8ad2cd052bf247e47efec5 (patch)
tree2244e7ca09090878db951a39f4de81d6bc79f30a
parent6429ecd22f5f002c5323f152c9d395ee9cad55e5 (diff)
Add a warning
-rw-r--r--src/frame.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/frame.c b/src/frame.c
index eaa4f41..af95767 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -965,6 +965,11 @@ size_t pos_trail_to_offset(Paragraph *para, size_t offs, int trail)
return 0;
}
+ if ( para->n_runs == 0 ) {
+ fprintf(stderr, "pos_trail_to_offset: No runs\n");
+ return 0;
+ }
+
run = &para->runs[nrun];
if ( para->type != PARA_TYPE_TEXT ) return 0;