X-Git-Url: https://git.distorted.org.uk/~mdw/fwd/blobdiff_plain/022008acb24995e5df9cfebec4b8428d14de91d8..17be1d6b52cc22403bcfec5e8547bf612d214690:/conf.h

diff --git a/conf.h b/conf.h
index 6183048..5b78b13 100644
--- a/conf.h
+++ b/conf.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: conf.h,v 1.3 1999/07/27 18:30:14 mdw Exp $
+ * $Id: conf.h,v 1.5 1999/10/22 22:46:44 mdw Exp $
  *
  * Configuration parsing
  *
@@ -29,6 +29,13 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: conf.h,v $
+ * Revision 1.5  1999/10/22 22:46:44  mdw
+ * Improve documentation for conf_enum.
+ *
+ * Revision 1.4  1999/08/19 18:32:48  mdw
+ * Improve lexical analysis.  In particular, `chmod' patterns don't have to
+ * be quoted any more.
+ *
  * Revision 1.3  1999/07/27 18:30:14  mdw
  * Improve documentation and layout for @CONF_BEGIN@ and friends.  Remove
  * irritating warning about unused label by introducing a spurious `goto'.
@@ -63,6 +70,19 @@
 
 /*----- Functions provided ------------------------------------------------*/
 
+/* --- @undelim@ --- *
+ *
+ * Arguments:	@const char *d, dd@ = pointer to characters to escape
+ *
+ * Returns:	---
+ *
+ * Use:		Modifies the tokenizer.  Characters in the first list will
+ *		always be considered to begin a word.  Characters in the
+ *		second list will always be allowed to continue a word.
+ */
+
+extern void undelim(const char */*d*/, const char */*dd*/);
+
 /* --- @token@ --- *
  *
  * Arguments:	@scanner *sc@ = pointer to scanner definition
@@ -97,9 +117,15 @@ extern void error(scanner */*sc*/, const char */*msg*/, ...);
  * Returns:	Index into list, zero-based, or @-1@.
  *
  * Use:		Checks whether the current token is a string which matches
- *		one of the comma-separated items given.  If not, an error is
- *		reported; otherwise the index of the matched item is
- *		returned.
+ *		one of the comma-separated items given.  The return value is
+ *		the index (zero-based) of the matched string in the list.
+ *
+ *		The flags control the behaviour if no exact match is found.
+ *		If @ENUM_ABBREV@ is set, and the current token is a left
+ *		substring of exactly one of the possibilities, then that one
+ *		is chosen.  If @ENUM_NONE@ is set, the value @-1@ is
+ *		returned; otherwise an error is reported and the program is
+ *		terminated.
  */
 
 #define ENUM_ABBREV 1u