Re: [PATCH 1/3] Add strbuf_rtrim (to remove trailing spaces).

diff --git a/strbuf.c b/strbuf.c
index acc7fc8..565c343 100644
--- a/strbuf.c
+++ b/strbuf.c

@@ -28,6 +28,13 @@ void strbuf_grow(struct strbuf *sb, size_t extra) {
 	ALLOC_GROW(sb->buf, sb->len + extra + 1, sb->alloc);
 }
 
+void strbuf_rtrim(struct strbuf *sb)
+{
+    while (sb->len > 0 && isspace((unsigned char)sb->buf[sb->len - 1]))
+        sb->len--;
+    sb->buf[sb->len] = '\0';
+}