X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=config%2Fpreprocess.c;h=5ca2df790d3cfa5f4253a33a303219aaa8fc4394;hb=6b4d2c4d403607081898cef5ff722a9c6509087f;hp=65da87fce907ad2bc7b52adba4651dc2c32786be;hpb=5fc8a231376143a6132f10e8bb24950df57f9e98;p=carl9170fw.git

diff --git a/config/preprocess.c b/config/preprocess.c
index 65da87f..5ca2df7 100644
--- a/config/preprocess.c
+++ b/config/preprocess.c
@@ -156,7 +156,7 @@ static char *do_shell(int argc, char *argv[])
 		nread--;
 
 	/* remove trailing new lines */
-	while (buf[nread - 1] == '\n')
+	while (nread > 0 && buf[nread - 1] == '\n')
 		nread--;
 
 	buf[nread] = 0;