From 4d6110812c48710b9bf3e916eeef376709c908f0 Mon Sep 17 00:00:00 2001
From: Lassi Kortela <lassi@lassi.io>
Date: Wed, 15 Feb 2023 19:37:37 +0200
Subject: [PATCH] Add "sc" suffix to version number

---
 src/config.h | 1 +
 src/subst.c  | 2 +-
 src/unroff.c | 8 ++++++++
 src/unroff.h | 2 ++
 4 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/config.h b/src/config.h
index 8875f20..4d4cacc 100644
--- a/src/config.h
+++ b/src/config.h
@@ -23,6 +23,7 @@
 
 #define MAJOR_VERSION          1
 #define MINOR_VERSION          0
+#define VERSION_SUFFIX         "sc"  /* Scheme Conservatory */
 
 
 /* Hack: __GNUC_MINOR__ was introduced together with __attribute__ */
diff --git a/src/subst.c b/src/subst.c
index 5563228..ec8a504 100644
--- a/src/subst.c
+++ b/src/subst.c
@@ -53,7 +53,7 @@ Object p_substitute(int ac, Object *av) {
 	    } else if (strcmp(t, "tmpname") == 0) {
 		s = tmpnam(0);
 	    } else if (strcmp(t, "version") == 0) {
-		sprintf(buf, "%d.%d", MAJOR_VERSION, MINOR_VERSION);
+		sprintf(buf, "%s", get_version_string());
 		s = buf;
 	    } else if (strcmp(t, "weekday") == 0) {
 		fmt = "%a";
diff --git a/src/unroff.c b/src/unroff.c
index 50f1d17..fff2170 100644
--- a/src/unroff.c
+++ b/src/unroff.c
@@ -17,6 +17,14 @@ static int got_filename;
 static int did_ev_start;
 static int tflag;
 
+const char *get_version_string(void) {
+    static char buf[8];
+
+    snprintf(buf, sizeof(buf), "%d.%d%s",
+             MAJOR_VERSION, MINOR_VERSION, VERSION_SUFFIX);
+    return buf;
+}
+
 static void usage(void) {
     fprintf(stderr, "Usage: %s [options] [file...]\n\n", get_progname());
     fprintf(stderr, "  -mname      name of troff macro package (e.g. -ms)\n");
diff --git a/src/unroff.h b/src/unroff.h
index 82d0220..b5eb7e1 100644
--- a/src/unroff.h
+++ b/src/unroff.h
@@ -58,3 +58,5 @@ extern void Load_Source_Port(Object);
 #include "scmtable.h"
 #include "stream.h"
 #include "subst.h"
+
+const char *get_version_string(void);