Modified version of.
http://cvs.openpkg.org/fileview?f=openpkg-src/cvsps/cvsps.patch&v=1.13

--- a/cache.c
+++ b/cache.c
@@ -361,7 +361,7 @@ static void parse_cache_revision(PatchSetMember * psm, const char * p_buff)
 
     strcpy(buff, p_buff);
 
-    while ((s = strsep(&p, ";")))
+    while ((s = my_strsep(&p, ";")))
     {
 	char * c = strchr(s, ':');
 
--- a/cvs_direct.c
+++ b/cvs_direct.c
@@ -92,12 +92,12 @@ CvsServerCtx * open_cvs_server(char * p_root, int compress)
 
     strcpy_a(root, p_root, PATH_MAX);
 
-    tok = strsep(&p, ":");
+    tok = my_strsep(&p, ":");
 
     /* if root string looks like :pserver:... then the first token will be empty */
     if (strlen(tok) == 0)
     {
-	char * method = strsep(&p, ":");
+	char * method = my_strsep(&p, ":");
 	if (strcmp(method, "pserver") == 0)
 	{
 	    ctx = open_ctx_pserver(ctx, p);
@@ -185,14 +185,14 @@ static CvsServerCtx * open_ctx_pserver(CvsServerCtx * ctx, const char * p_root)
 
     strcpy_a(root, p_root, PATH_MAX);
 
-    tok = strsep(&p, ":");
+    tok = my_strsep(&p, ":");
     if (strlen(tok) == 0 || !p)
     {
 	debug(DEBUG_APPERROR, "parse error on third token");
 	goto out_free_err;
     }
 
-    tok2 = strsep(&tok, "@");
+    tok2 = my_strsep(&tok, "@");
     if (!strlen(tok2) || (!tok || !strlen(tok)))
     {
 	debug(DEBUG_APPERROR, "parse error on user@server in pserver");
@@ -272,7 +272,7 @@ static CvsServerCtx * open_ctx_forked(CvsServerCtx * ctx, const char * p_root)
     strcpy_a(root, p_root, PATH_MAX);
 
     /* if there's a ':', it's remote */
-    tok = strsep(&p, ":");
+    tok = my_strsep(&p, ":");
 
     if (p)
     {
@@ -281,7 +281,7 @@ static CvsServerCtx * open_ctx_forked(CvsServerCtx * ctx, const char * p_root)
 	if (!cvs_rsh)
 	    cvs_rsh = "rsh";
 
-	tok2 = strsep(&tok, "@");
+	tok2 = my_strsep(&tok, "@");
 
 	if (tok)
 	    snprintf(execcmd, PATH_MAX, "%s -l %s %s %s server", cvs_rsh, tok2, tok, cvs_server);
@@ -776,7 +776,7 @@ void cvs_rupdate(CvsServerCtx * ctx, const char * rep, const char * file, const
 static int parse_patch_arg(char * arg, char ** str)
 {
     char *tok, *tok2 = "";
-    tok = strsep(str, " ");
+    tok = my_strsep(str, " ");
     if (!tok)
 	return 0;
 
@@ -796,7 +796,7 @@ static int parse_patch_arg(char * arg, char ** str)
     /* see if command wants two args and they're separated by ' ' */
     if (tok[2] == 0 && strchr("BdDFgiorVxYz", tok[1]))
     {
-	tok2 = strsep(str, " ");
+	tok2 = my_strsep(str, " ");
 	if (!tok2)
 	{
 	    debug(DEBUG_APPERROR, "diff_opts parse_error: argument %s requires two arguments", tok);
--- a/util.c
+++ b/util.c
@@ -316,3 +316,31 @@ void strcpy_a(char * dst, const char * src, int n)
 	exit(1);
     }
 }
+
+char *my_strsep(char **stringp, const char *delim)
+{
+	char *s;
+	const char *spanp;
+	int c, sc;
+	char *tok;
+
+	if ((s = *stringp) == NULL)
+		return NULL;
+	for (tok = s;;) {
+		c = *s++;
+		spanp = delim;
+		do {
+			if ((sc = *spanp++) == c) {
+				if (c == 0)
+					s = NULL;
+				else
+					s[-1] = 0;
+				*stringp = s;
+				return tok;
+			}
+		} while (sc != 0);
+	}
+	/* NOTREACHED */
+    return NULL;
+}
+
--- a/util.h
+++ b/util.h
@@ -24,5 +24,6 @@ void timing_stop(const char *);
 int my_system(const char *);
 int escape_filename(char *, int, const char *);
 void strcpy_a(char * dst, const char * src, int n);
+char *my_strsep(char **, const char *);
 
 #endif /* UTIL_H */