Sort outputs by name

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/output.c b/src/output.c
index 2e399bf..d6fae94 100644
--- a/src/output.c
+++ b/src/output.c
@@ -205,3 +205,19 @@ size_t output_unmarshal(struct output* this, const char* buf)
   return off;
 }
 
+
+/**
+ * Compare to outputs by the names of their respective CRTC:s
+ * 
+ * @param   a  Return -1 if this one is lower
+ * @param   b  Return +1 if this one is higher
+ * @return     See description of `a` and `b`,
+ *             0 if returned if they are the same
+ */
+int output_cmp_by_name(const void* a, const void* b)
+{
+  const char* an = ((const struct output*)a)->name;
+  const char* bn = ((const struct output*)b)->name;
+  return strcmp(an, bn);
+}
+