X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fopt%2Fusage.c;h=60e1586861adc0981a5bf0eaf00bc63bcff450a4;hp=eedaae7eb821d0dab8114de49222b14496887aa0;hb=b30c544bd1486e7b60b99259e3d0dcbc1ec9efd0;hpb=0191b7a74144ea8193961235f45715e715d4d8eb

diff --git a/ccan/opt/usage.c b/ccan/opt/usage.c
index eedaae7e..60e15868 100644
--- a/ccan/opt/usage.c
+++ b/ccan/opt/usage.c
@@ -93,7 +93,7 @@ char *opt_usage(const char *argv0, const char *extra)
 			len += sprintf(p + len, " <arg>");
 		len += sprintf(p + len, "%.*s",
 			       len < strlen(OPT_SPACE_PAD)
-			       ? strlen(OPT_SPACE_PAD) - len : 1,
+			       ? (unsigned)strlen(OPT_SPACE_PAD) - len : 1,
 			       OPT_SPACE_PAD);
 
 		len += sprintf(p + len, "%s", opt_table[i].desc);