From 9db208e9116b6e610049f518624078b6c638fc3f Mon Sep 17 00:00:00 2001
From: tholo <tholo@openbsd.org>
Date: Sat, 26 Apr 1997 08:33:28 +0000
Subject: [PATCH] Allow a private tag when we expand RCS identifiers ourselves
 as well.

---
 gnu/usr.bin/cvs/src/cvs.h  |  1 +
 gnu/usr.bin/cvs/src/main.c | 16 +++++++++++++---
 gnu/usr.bin/cvs/src/rcs.c  | 12 ++++++++++--
 3 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/gnu/usr.bin/cvs/src/cvs.h b/gnu/usr.bin/cvs/src/cvs.h
index 60a8e8aefa9..d8a3ca3f9cb 100644
--- a/gnu/usr.bin/cvs/src/cvs.h
+++ b/gnu/usr.bin/cvs/src/cvs.h
@@ -363,6 +363,7 @@ extern int really_quiet, quiet;
 extern int use_editor;
 extern int cvswrite;
 extern mode_t cvsumask;
+extern char *RCS_citag;
 
 /* Access method specified in CVSroot. */
 typedef enum {
diff --git a/gnu/usr.bin/cvs/src/main.c b/gnu/usr.bin/cvs/src/main.c
index be606cefda2..8b5a7bb81b7 100644
--- a/gnu/usr.bin/cvs/src/main.c
+++ b/gnu/usr.bin/cvs/src/main.c
@@ -43,6 +43,7 @@ int noexec = FALSE;
 int readonlyfs = FALSE;
 int logoff = FALSE;
 mode_t cvsumask = UMASK_DFLT;
+char *RCS_citag = NULL;
 
 char *CurDir;
 
@@ -956,9 +957,18 @@ parseopts(root)
 		*q = '\0';
 
 	    if (!strncmp(buf, "tag=", 4)) {
-		char *RCS_citag = strdup(buf+4);
-		char *what = malloc(sizeof("RCSLOCALID")+1+strlen(RCS_citag)+1);
-		
+		char *what;
+
+		RCS_citag = strdup(buf+4);
+		if (RCS_citag == NULL) {
+			printf("no memory for local tag\n");
+			return;
+		}
+		what = malloc(sizeof("RCSLOCALID")+1+strlen(RCS_citag)+1);
+		if (what == NULL) {
+			printf("no memory for local tag\n");
+			return;
+		}
 		sprintf(what, "RCSLOCALID=%s", RCS_citag);
 		putenv(what);
 	    } else if (!strncmp(buf, "umask=", 6)) {
diff --git a/gnu/usr.bin/cvs/src/rcs.c b/gnu/usr.bin/cvs/src/rcs.c
index 1d0d38a4b89..a56f312c498 100644
--- a/gnu/usr.bin/cvs/src/rcs.c
+++ b/gnu/usr.bin/cvs/src/rcs.c
@@ -2162,7 +2162,7 @@ struct rcs_keyword
     size_t len;
 };
 #define KEYWORD_INIT(s) (s), sizeof (s) - 1
-static const struct rcs_keyword keywords[] =
+static struct rcs_keyword keywords[] =
 {
     { KEYWORD_INIT ("Author") },
     { KEYWORD_INIT ("Date") },
@@ -2175,6 +2175,7 @@ static const struct rcs_keyword keywords[] =
     { KEYWORD_INIT ("Revision") },
     { KEYWORD_INIT ("Source") },
     { KEYWORD_INIT ("State") },
+    { NULL, 0 },
     { NULL, 0 }
 };
 enum keyword
@@ -2189,7 +2190,8 @@ enum keyword
     KEYWORD_RCSFILE,
     KEYWORD_REVISION,
     KEYWORD_SOURCE,
-    KEYWORD_STATE
+    KEYWORD_STATE,
+    KEYWORD_LOCALID
 };
 
 /* Convert an RCS date string into a readable string.  This is like
@@ -2326,6 +2328,11 @@ expand_keywords (rcs, ver, name, log, loglen, expand, buf, len, retbuf, retlen)
 	return;
     }
 
+    if (RCS_citag != NULL && keywords[KEYWORD_LOCALID].string == NULL) {
+	keywords[KEYWORD_LOCALID].string = RCS_citag;
+	keywords[KEYWORD_LOCALID].len = strlen(RCS_citag);
+    }
+
     /* If we are using -kkvl, dig out the locker information if any.  */
     locker = NULL;
     if (expand == KFLAG_KVL && rcs->other != NULL)
@@ -2450,6 +2457,7 @@ expand_keywords (rcs, ver, name, log, loglen, expand, buf, len, retbuf, retlen)
 
 	    case KEYWORD_HEADER:
 	    case KEYWORD_ID:
+	    case KEYWORD_LOCALID:
 		{
 		    char *path;
 		    int free_path;
-- 
2.20.1