Add an internal-representation no-op function.

[u/mdw/catacomb] / key.h

diff --git a/key.h b/key.h
index 980c561..09bcad5 100644 (file)
--- a/key.h
+++ b/key.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: key.h,v 1.7 2000/12/06 20:33:27 mdw Exp $
+ * $Id: key.h,v 1.8 2001/02/03 11:57:38 mdw Exp $
  *
  * Simple key management
  *
@@ -30,6 +30,9 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: key.h,v $
+ * Revision 1.8  2001/02/03 11:57:38  mdw
+ * Allow creating keyfiles with no file attached.
+ *
  * Revision 1.7  2000/12/06 20:33:27  mdw
  * Make flags be macros rather than enumerations, to ensure that they're
  * unsigned.
@@ -168,10 +171,10 @@ typedef struct key_fetchdef {
 
 /* --- File opening options --- */
 
-enum {
-  KOPEN_READ,
-  KOPEN_WRITE
-};
+#define KOPEN_READ 0u
+#define KOPEN_WRITE 1u
+#define KOPEN_MASK 0xff
+#define KOPEN_NOFILE 0x100
 
 /* --- Various other magic numbers --- */
 
@@ -252,7 +255,7 @@ extern int key_extract(key_file */*f*/, key */*k*/, FILE */*fp*/,
  *
  * Arguments:  @key_file *f@ = pointer to file structure to initialize
  *             @const char *file@ = pointer to the file name
- *             @int how@ = opening options (@KOPEN_*@).
+ *             @unsigned how@ = opening options (@KOPEN_*@).
  *             @key_reporter *rep@ = error reporting function
  *             @void *arg@ = argument for function
  *
@@ -266,7 +269,7 @@ extern int key_extract(key_file */*f*/, key */*k*/, FILE */*fp*/,
  *             owner only.
  */
 
-extern int key_open(key_file */*f*/, const char */*file*/, int /*how*/,
+extern int key_open(key_file */*f*/, const char */*file*/, unsigned /*how*/,
                    key_reporter */*rep*/, void */*arg*/);
 
 /* --- @key_close@ --- *
@@ -303,7 +306,7 @@ extern int key_save(key_file */*f*/);
  *
  * Arguments:  @key_file *f@ = pointer to file structure to initialize
  *             @const char *file@ = pointer to the file name
- *             @int how@ = opening options (@KOPEN_*@).
+ *             @unsigned how@ = opening options (@KOPEN_*@).
  *
  * Returns:    Zero if it worked, nonzero otherwise.
  *
@@ -318,7 +321,8 @@ extern int key_save(key_file */*f*/);
  *             for the private use of @key_open@.
  */
 
-extern int key_lockfile(key_file */*f*/, const char */*file*/, int /*how*/);
+extern int key_lockfile(key_file */*f*/, const char */*file*/,
+                       unsigned /*how*/);
 
 /*----- Creating and manipulating keys ------------------------------------*/