From: Ben Gras <ben@minix3.org>
Date: Sat, 3 Jul 2010 22:18:11 +0000 (+0000)
Subject: ash: make test/expr support 'file1 -ot file2'
X-Git-Tag: v3.1.8~290
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/doc/syslog.3.html?a=commitdiff_plain;h=01fcee7d71d1c7a15f90c672a0191d95d83c02fe;p=minix.git

ash: make test/expr support 'file1 -ot file2'
---

diff --git a/commands/ash/bltin/binary_op b/commands/ash/bltin/binary_op
index 9dd732b63..74381107b 100755
--- a/commands/ash/bltin/binary_op
+++ b/commands/ash/bltin/binary_op
@@ -11,6 +11,7 @@ AND2	 &	2
 STREQ	 =	4    OP_STRING
 STRNE	 !=	4    OP_STRING
 NEWER	 -newer	4    OP_STRING
+OLDER	 -ot	4    OP_STRING
 EQ	 -eq	4    OP_INT
 NE	 -ne	4    OP_INT
 GT	 -gt	4    OP_INT
diff --git a/commands/ash/bltin/expr.c b/commands/ash/bltin/expr.c
index 63e2844f7..88d8c05cc 100644
--- a/commands/ash/bltin/expr.c
+++ b/commands/ash/bltin/expr.c
@@ -347,13 +347,18 @@ filebit:
 	    sp->u.num = fs->rcode >= 0? fs->stat.st_size : 0L;
 	    sp->type = INTEGER;
 	    break;
+      case OLDER:
       case NEWER:
 	    if (stat(sp->u.string, &st1) != 0) {
 		  sp->u.num = 0;
 	    } else if (stat((sp + 1)->u.string, &st2) != 0) {
 		  sp->u.num = 1;
 	    } else {
-		  sp->u.num = st1.st_mtime >= st2.st_mtime;
+               int isnewer = st1.st_mtime >= st2.st_mtime;
+               if(op == NEWER)
+                 sp->u.num = isnewer;
+               else
+                 sp->u.num = !isnewer;
 	    }
 	    sp->type = INTEGER;
 	    break;