the init-hook of the main section inserts a few nodes into the link-list

[libucw.git] / lib / fastbuf.h

diff --git a/lib/fastbuf.h b/lib/fastbuf.h
index 800794c7ae5669790d5d98eb94468196a38c3892..219fec19a7fd07852a86a560c67900c060f623b1 100644 (file)
--- a/lib/fastbuf.h
+++ b/lib/fastbuf.h
@@ -109,6 +109,12 @@ fbbuf_count_written(struct fastbuf *f)
   return f->bptr - f->bstop;
 }
 
+/* FastIO on recyclable growing buffers */
+
+struct fastbuf *fbgrow_create(unsigned basic_size);
+void fbgrow_reset(struct fastbuf *b);                  /* Reset stream and prepare for writing */
+void fbgrow_rewind(struct fastbuf *b);                 /* Prepare for reading */
+
 /* Configuring stream parameters */
 
 int bconfig(struct fastbuf *f, uns type, int data);
@@ -373,7 +379,10 @@ static inline uns
 bdirect_read_prepare(struct fastbuf *f, byte **buf)
 {
   if (f->bptr == f->bstop && !f->refill(f))
-    return 0;
+    {
+      *buf = NULL;  // This is not needed, but it helps to get rid of spurious warnings
+      return 0;
+    }
   *buf = f->bptr;
   return bavailr(f);
 }
@@ -408,7 +417,7 @@ bdirect_write_commit(struct fastbuf *f, byte *pos)
 
 /* Formatted output */
 
-int bprintf(struct fastbuf *b, byte *msg, ...);
-int vbprintf(struct fastbuf *b, byte *msg, va_list args);
+int bprintf(struct fastbuf *b, char *msg, ...) FORMAT_CHECK(printf,2,3);
+int vbprintf(struct fastbuf *b, char *msg, va_list args);
 
 #endif