2 files changed, 21 insertions, 0 deletions

diff --git a/contrib/csup/proto.c b/contrib/csup/proto.c
index 6c387fb53628..fd574b0fb790 100644
--- a/contrib/csup/proto.c
+++ b/contrib/csup/proto.c
@@ -950,6 +950,26 @@ proto_get_int(char **s, int *val, int base)
 }
 
 /*
+ * Get a size_t token.
+ */
+int
+proto_get_sizet(char **s, size_t *val, int base)
+{
+	unsigned long long tmp;
+	char *cp, *end;
+
+	cp = proto_get_ascii(s);
+	if (cp == NULL)
+		return (-1);
+	errno = 0;
+	tmp = strtoll(cp, &end, base);
+	if (errno || *end != '\0')
+		return (-1);
+	*val = (size_t)tmp;
+	return (0);
+}
+
+/*
  * Get a time_t token.
  *
  * Ideally, we would use an intmax_t and strtoimax() here, but strtoll()
diff --git a/contrib/csup/proto.h b/contrib/csup/proto.h
index ea9c01230232..0c4a78299f11 100644
--- a/contrib/csup/proto.h
+++ b/contrib/csup/proto.h
@@ -44,6 +44,7 @@ int	 proto_printf(struct stream *, const char *, ...);
 char	*proto_get_ascii(char **);
 char	*proto_get_rest(char **);
 int	 proto_get_int(char **, int *, int);
+int	 proto_get_sizet(char **, size_t *, int);
 int	 proto_get_time(char **, time_t *);
 
 #endif /* !_PROTO_H_ */