X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/mLib/blobdiff_plain/c6e0eaf00cd09a4e5237e70d8351049ec91d7653..800d4c590fc75ba21ae7b742fe11472cdc71d4a1:/trace.h

diff --git a/trace.h b/trace.h
index 6ebc064..98e4924 100644
--- a/trace.h
+++ b/trace.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: trace.h,v 1.5 1999/12/10 23:42:04 mdw Exp $
+ * $Id: trace.h,v 1.7 2004/04/08 01:36:13 mdw Exp $
  *
  * Tracing functions for debugging
  *
@@ -27,26 +27,6 @@
  * MA 02111-1307, USA.
  */
 
-/*----- Revision history --------------------------------------------------*
- *
- * $Log: trace.h,v $
- * Revision 1.5  1999/12/10 23:42:04  mdw
- * Change header file guard names.
- *
- * Revision 1.4  1999/10/22 22:39:52  mdw
- * New documented interface for tracing.
- *
- * Revision 1.3  1999/05/06 19:51:35  mdw
- * Reformatted the LGPL notice a little bit.
- *
- * Revision 1.2  1999/05/05 18:50:31  mdw
- * Change licensing conditions to LGPL.
- *
- * Revision 1.1.1.1  1998/06/17 23:44:42  mdw
- * Initial version of mLib
- *
- */
-
 #ifndef MLIB_TRACE_H
 #define MLIB_TRACE_H
 
@@ -108,6 +88,21 @@ extern void trace_block(unsigned /*l*/, const char */*s*/,
 
 extern void trace_on(FILE */*fp*/, unsigned /*l*/);
 
+/* --- @trace_custom@ --- *
+ *
+ * Arguments:	@void (*func)(const char *buf, size_t sz, void *v)@ =
+ *			output function
+ *		@void *v@ = magic handle to give to function
+ *
+ * Returns:	---
+ *
+ * Use:		Sets up a custom trace handler.
+ */
+
+extern void trace_custom(void (*/*func*/)(const char */*buf*/,
+					  size_t /*sz*/, void */*v*/),
+			 void */*v*/);
+
 /* --- @trace_level@ --- *
  *
  * Arguments:	@unsigned l@ = trace level to set
@@ -132,7 +127,7 @@ extern unsigned tracing(void);
 
 /* --- @traceopt@ --- *
  *
- * Arguments:	@trace_opt *t@ = pointer to trace options table
+ * Arguments:	@const trace_opt *t@ = pointer to trace options table
  *		@const char *p@ = option string supplied by user
  *		@unsigned f@ = initial tracing flags
  *		@unsigned bad@ = forbidden tracing flags
@@ -144,7 +139,7 @@ extern unsigned tracing(void);
  *		`?' character, a help message is displayed.
  */
 
-extern unsigned traceopt(trace_opt */*t*/, const char */*p*/,
+extern unsigned traceopt(const trace_opt */*t*/, const char */*p*/,
 			 unsigned /*f*/, unsigned /*bad*/);
 
 /*----- Tracing macros ----------------------------------------------------*/