X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/d2e40bd9ce3c3973a1666eaa9477cea927baf84f..e0e0c1e0fce54f31e8b126d78a0b364208f7d36f:/h/mh.h

diff --git a/h/mh.h b/h/mh.h
index e3a382a3..b8e56442 100644
--- a/h/mh.h
+++ b/h/mh.h
@@ -32,8 +32,10 @@ typedef unsigned char  boolean;  /* not int so we can pack in a structure */
  */
 #if __GNUC__ > 2
 #define NORETURN __attribute__((__noreturn__))
+#define NMH_UNUSED(i) (void) i
 #else
 #define NORETURN
+#define NMH_UNUSED(i) i
 #endif
 
 /*
@@ -53,6 +55,11 @@ struct node {
 #define	UNKWNSW	 (-1)	/* from smatch() on unknown switch   */
 
 struct swit {
+
+    /*
+     * Switch name
+     */
+
     char *sw;
 
     /* The minchars field is apparently used like this:
@@ -61,8 +68,54 @@ struct swit {
        0  : Switch can't be abbreviated;               switch shown in -help.
        #  : Switch can be abbreviated to # characters; switch shown in -help. */
     int minchars;
+
+    /*
+     * If we pick this switch, return this value from smatch
+     */
+
+    int swret;
 };
 
+/*
+ * Macros to use when declaring struct swit arrays.
+ *
+ * These macros are what known as X-Macros.  In your source code you
+ * use them like this:
+ *
+ * #define FOO_SWITCHES \
+ *    X("switch1", 0, SWITCHSW) \
+ *    X("switch2", 0, SWITCH2SW) \
+ *    X("thirdswitch", 2, SWITCH3SW) \
+ *
+ * The argument to each entry in FOO_SWITCHES are the switch name (sw),
+ * the minchars field (see above) and the return value for this switch.
+ *
+ * After you define FOO_SWITCHES, you instantiate it as follows:
+ *
+ * #define X(sw, minchars, id) id,
+ * DEFINE_SWITCH_ENUM(FOO);
+ * #undef X
+ *
+ * #define X(sw, minchars, id) { sw, minchars, id },
+ * DEFINE_SWITCH_ARRAY(FOO);
+ * #undef X
+ *
+ * DEFINE_SWITCH_ENUM defines an extra enum at the end of the list called
+ * LEN_FOO.
+ */
+
+#define DEFINE_SWITCH_ENUM(name) \
+    enum { \
+    	name ## _SWITCHES \
+	LEN_ ## name \
+    }
+
+#define DEFINE_SWITCH_ARRAY(name, array) \
+    static struct swit array[] = { \
+    	name ## _SWITCHES \
+	{ NULL, 0, 0 } \
+    }
+
 extern struct swit anoyes[];	/* standard yes/no switches */
 
 #define ATTACHFORMATS 3		/* Number of send attach formats. */
@@ -235,11 +288,12 @@ struct msgs {
 #define FMTERR  (-3)		/* Message Format error             */
 #define FLD      0		/* Field returned                   */
 #define FLDPLUS  1		/* Field returned with more to come */
-#define FLDEOF   2		/* Field returned ending at eom     */
 #define BODY     3		/* Body  returned with more to come */
-#define BODYEOF  4		/* Body  returned ending at eom     */
 #define FILEEOF  5		/* Reached end of input file        */
 
+struct m_getfld_state;
+typedef struct m_getfld_state *m_getfld_state_t;
+
 /*
  * Maildrop styles
  */
@@ -249,10 +303,6 @@ struct msgs {
 #define	MS_MMDF		3	/* string mmdlm2              */
 #define	MS_MSH		4	/* whacko msh                 */
 
-extern int msg_count;		/* m_getfld() indicators */
-extern int msg_style;		/*  .. */
-extern char *msg_delim;		/*  .. */
-
 #define	NOUSE	0		/* draft being re-used */
 
 #define TFOLDER 0		/* path() given a +folder */
@@ -264,6 +314,8 @@ extern char *msg_delim;		/*  .. */
 #define LINK	"@"		/* Name of link to file to which you are */
 				/* replying. */
 
+#define NMH_ATTACH_HEADER "Nmh-Attachment"  /* Default header for -attach */
+
 /*
  * miscellaneous macros
  */
@@ -294,6 +346,13 @@ extern char *defpath;		/* pathname of user's profile      */
 extern char *ctxpath;		/* pathname of user's context      */
 extern struct node *m_defs;	/* list of profile/context entries */
 
+/* What style to use for generated Message-ID and Content-ID header
+   fields.  The localname style is pid.time@localname, where time is
+   in seconds.  The random style replaces the localname with some
+   (pseudo)random bytes and uses microsecond-resolution time. */
+int save_message_id_style (const char *);
+char *message_id (time_t, int);
+
 /*
  * These standard strings are defined in config.c.  They are the
  * only system-dependent parameters in nmh, and thus by redefining
@@ -305,18 +364,16 @@ extern char *catproc;
 extern char *components;
 extern char *context;
 extern char *current;
-extern char *defaulteditor;
 extern char *defaultfolder;
 extern char *digestcomps;
 extern char *distcomps;
 extern char *draft;
-extern char *faceproc;
 extern char *fileproc;
 extern char *foldprot;
+extern char *formatproc;
 extern char *forwcomps;
 extern char *inbox;
 extern char *incproc;
-extern char *installproc;
 extern char *lproc;
 extern char *mailproc;
 extern char *mh_defaults;
@@ -342,7 +399,6 @@ extern char *rcvdistcomps;
 extern char *rcvstoreproc;
 extern char *replcomps;
 extern char *replgroupcomps;
-extern char *rmfproc;
 extern char *rmmproc;
 extern char *sendproc;
 extern char *showmimeproc;