stripspace: incomplete line fix (take #2)

This fixes f4ee3eb68906f079dea45de4f1bbb03d68189eb3 breakage, which
added an extra trailing blank line after stripping trailing blank lines
by mistake.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/stripspace.c b/stripspace.c
index dee1ef0..65a6346 100644 (file)
--- a/stripspace.c
+++ b/stripspace.c
@@ -12,7 +12,9 @@ static int cleanup(char *line)
 {
        int len = strlen(line);
 
-       if (len > 1 && line[len-1] == '\n') {
+       if (len && line[len-1] == '\n') {
+               if (len == 1)
+                       return 0;
                do {
                        unsigned char c = line[len-2];
                        if (!isspace(c))