[dev] [PATCH] [sbase] Handle non-power-of-two space sizes in expand(1)

---
 expand.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff --dropbox a/expand.c b/expand.c
index 2449a8e..35b7a9a 100644
--- a/expand.c
+++ b/expand.c
_AT_@ -28,6 +28,8 @@ main(int argc, char *argv[])
 		break;
 	case 't':
 		spacestop = estrtol(EARGF(usage()), 0);
+		if (!spacestop)
+			eprintf("space size cannot be zero\n");
 		break;
 	default:
 		usage();
_AT_@ -66,7 +68,7 @@ expand(const char *file, FILE *fp, int spacestop)
 				do {
 					col++;
 					putchar(' ');
-				} while (col & (spacestop - 1));
+				} while (col % spacestop);
 			} else {
 				putchar('\t');
 				col += spacestop - col % spacestop;
-- 
2.1.3