Fix a function declaration which slipped through the net.

[mLib] / lbuf.h

diff --git a/lbuf.h b/lbuf.h
index 9543d08241c5c020156577ea2f566e60d2161047..3f25dacefd6c9da869ed1dc1854a5c9c32706bc2 100644 (file)
--- a/lbuf.h
+++ b/lbuf.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: lbuf.h,v 1.2 1999/05/17 20:36:08 mdw Exp $
+ * $Id: lbuf.h,v 1.4 2000/06/17 10:38:14 mdw Exp $
  *
  * Block-to-line buffering
  *
@@ -30,6 +30,12 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: lbuf.h,v $
+ * Revision 1.4  2000/06/17 10:38:14  mdw
+ * Add support for variable buffer sizes.
+ *
+ * Revision 1.3  1999/12/10 23:42:04  mdw
+ * Change header file guard names.
+ *
  * Revision 1.2  1999/05/17 20:36:08  mdw
  * Make the magical constants for the buffer flags uppercase.
  *
@@ -38,8 +44,8 @@
  *
  */
 
-#ifndef LBUF_H
-#define LBUF_H
+#ifndef MLIB_LBUF_H
+#define MLIB_LBUF_H
 
 #ifdef __cplusplus
   extern "C" {
@@ -90,6 +96,10 @@
 
 #include <stddef.h>
 
+#ifndef MLIB_ARENA_H
+#  include "arena.h"
+#endif
+
 /*----- Data structures ---------------------------------------------------*/
 
 /* --- The buffer structure --- *
@@ -103,8 +113,10 @@ typedef struct lbuf {
   void (*func)(char */*s*/, void */*p*/); /* Handler function */
   void *p;                             /* Argument for handler */
   size_t len;                          /* Length of data in buffer */
+  size_t sz;                           /* Buffer size */
   unsigned f;                          /* Various useful state flags */
-  char buf[256];                       /* The actual buffer */
+  arena *a;                            /* Memory allocation arena */
+  char *buf;                           /* The actual buffer */
 } lbuf;
 
 enum {
@@ -183,6 +195,18 @@ extern size_t lbuf_free(lbuf */*b*/, char **/*p*/);
 
 extern void lbuf_snarf(lbuf */*b*/, const void */*p*/, size_t /*sz*/);
 
+/* --- @lbuf_setsize@ --- *
+ *
+ * Arguments:  @lbuf *b@ = pointer to buffer block
+ *             @size_t sz@ = requested maximum line size
+ *
+ * Returns:    ---
+ *
+ * Use:                Allocates a buffer of the requested size reading lines.
+ */
+
+extern void lbuf_setsize(lbuf */*b*/, size_t /*sz*/);
+
 /* --- @lbuf_init@ --- *
  *
  * Arguments:  @lbuf *b@ = pointer to buffer block
@@ -199,6 +223,17 @@ extern void lbuf_init(lbuf */*b*/,
                      void (*/*func*/)(char */*s*/, void */*p*/),
                      void */*p*/);
 
+/* --- @lbuf_destroy@ --- *
+ *
+ * Arguments:  @lbuf *b@ = pointer to buffer block
+ *
+ * Returns:    ---
+ *
+ * Use:                Deallocates a line buffer and frees any resources it owned.
+ */
+
+extern void lbuf_destroy(lbuf */*b*/);
+
 /*----- That's all, folks -------------------------------------------------*/
 
 #ifdef __cplusplus