correct unsigned integer compare operations

diff --git a/src/support/linkback/LinkBackServer.m b/src/support/linkback/LinkBackServer.m
index bd6f90e837df71dbdf9c388e2c5cf7ea92fe0d6e..b7f9394c25888eba99f1a7d61b318e45c769ce84 100644 (file)
--- a/src/support/linkback/LinkBackServer.m
+++ b/src/support/linkback/LinkBackServer.m
@@ -83,8 +83,8 @@ BOOL LinkBackServerIsSupported(NSString* name, id supportedServers)
        if (supportedServers) {
                if ([supportedServers isKindOfClass: [NSArray class]]) {
                        idx = [supportedServers count] ;
-                       while((NO==ret) && (--idx >= 0)) {
-                               curServer = [supportedServers objectAtIndex: idx] ;
+                       while((NO==ret) && (idx > 0)) {
+                               curServer = [supportedServers objectAtIndex: --idx] ;
                                ret = [curServer isEqualToString: name] ;
                        }
                } else ret = [curServer isEqualToString: name] ; 
@@ -119,8 +119,8 @@ NSString* FindLinkBackServer(NSString* bundleIdentifier, NSString* serverName, N
        
        // find all .app bundles in the directory and test them.
        idx = (contents) ? [contents count] : 0 ;
-       while((nil==ret) && (--idx >= 0)) {
-               cpath = [contents objectAtIndex: idx] ;
+       while((nil==ret) && (idx > 0)) {
+               cpath = [contents objectAtIndex: --idx] ;
                
                if ([[cpath pathExtension] isEqualToString: @"app"]) {
                        cpath = [dir stringByAppendingPathComponent: cpath] ;
@@ -137,10 +137,10 @@ NSString* FindLinkBackServer(NSString* bundleIdentifier, NSString* serverName, N
        // if the app was not found, descend into non-app dirs.  only descend 4 levels to avoid taking forever.
        if ((nil==ret) && (level<4)) {
                idx = (contents) ? [contents count] : 0 ;
-               while((nil==ret) && (--idx >= 0)) {
+               while((nil==ret) && (idx > 0)) {
                        BOOL isdir ;
                        
-                       cpath = [contents objectAtIndex: idx] ;
+                       cpath = [contents objectAtIndex: --idx] ;
                        [fm fileExistsAtPath: cpath isDirectory: &isdir] ;
                        if (isdir && (![[cpath pathExtension] isEqualToString: @"app"])) {
                                cpath = [dir stringByAppendingPathComponent: cpath] ;