1 files changed, 13 insertions, 1 deletions
diff --git a/strbuf.c b/strbuf.c
index f60e2ee72b..1ba600bd78 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -395,6 +395,12 @@ ssize_t strbuf_read_once(struct strbuf *sb, int fd, size_t hint)
 	return cnt;
 }
 
+ssize_t strbuf_write(struct strbuf *sb, FILE *f)
+{
+	return sb->len ? fwrite(sb->buf, 1, sb->len, f) : 0;
+}
+
+
 #define STRBUF_MAXLINK (2*PATH_MAX)
 
 int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint)
@@ -481,9 +487,15 @@ int strbuf_getwholeline(struct strbuf *sb, FILE *fp, int term)
 	if (errno == ENOMEM)
 		die("Out of memory, getdelim failed");
 
-	/* Restore slopbuf that we moved out of the way before */
+	/*
+	 * Restore strbuf invariants; if getdelim left us with a NULL pointer,
+	 * we can just re-init, but otherwise we should make sure that our
+	 * length is empty, and that the result is NUL-terminated.
+	 */
 	if (!sb->buf)
 		strbuf_init(sb, 0);
+	else
+		strbuf_reset(sb);
 	return EOF;
 }
 #else