Sources, by analogy with sinks

[disorder] / lib / sink.h

diff --git a/lib/sink.h b/lib/sink.h
index ff763a69fe9e7e27526602e1517cb935ffa68b2d..fc99d6b7b6c1515b51eaf22867b1e301fb54bd42 100644 (file)
--- a/lib/sink.h
+++ b/lib/sink.h
@@ -115,6 +115,29 @@ static inline int sink_err(struct sink *s) {
   return s->error(s);
 }
 
+struct source {
+  int (*getch)(struct source *s);
+  int (*error)(struct source *s);
+  int (*eof)(struct source *s);
+
+  enum error_class eclass;
+};
+
+struct source *source_stdio(FILE *fp);
+struct source *source_socketio(struct socketio *sio);
+
+static inline int source_getc(struct source *s) {
+  return s->getch(s);
+}
+
+static inline int source_err(struct source *s) {
+  return s->error(s);
+}
+
+static inline int source_eof(struct source *s) {
+  return s->eof(s);
+}
+
 #endif /* SINK_H */
 
 /*