diff --git a/src/elog.c b/src/elog.c
index 6f089ad0..c6c590a0 100755
--- a/src/elog.c
+++ b/src/elog.c
@@ -631,7 +631,7 @@ INT submit_elog(char *host, int port, int ssl, char *subdir, char *experiment,
 {
    int status, sock, i, n, header_length, content_length, index;
    char host_name[256], boundary[80], str[80], encrypted_passwd[256], *p, *old_encoding;
-   char old_attrib_name[MAX_N_ATTR][NAME_LENGTH], old_attrib[MAX_N_ATTR][NAME_LENGTH];
+   char old_attrib_name[MAX_N_ATTR+1][NAME_LENGTH], old_attrib[MAX_N_ATTR+1][NAME_LENGTH];
    struct hostent *phe;
 #ifdef HAVE_SSL
    SSL *ssl_con;
diff --git a/xcode/elog.xcodeproj/project.pbxproj b/xcode/elog.xcodeproj/project.pbxproj
index 3799966f..df4f3d02 100644
--- a/xcode/elog.xcodeproj/project.pbxproj
+++ b/xcode/elog.xcodeproj/project.pbxproj
@@ -93,7 +93,7 @@
 		D52BA2F113999DB0000458E3 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0460;
+				LastUpgradeCheck = 0500;
 				ORGANIZATIONNAME = PSI;
 			};
 			buildConfigurationList = D52BA2F413999DB0000458E3 /* Build configuration list for PBXProject "elog" */;
@@ -129,8 +129,9 @@
 		D52BA30113999DB0000458E3 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -141,7 +142,9 @@
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				ONLY_ACTIVE_ARCH = YES;
@@ -152,8 +155,9 @@
 		D52BA30213999DB0000458E3 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -161,7 +165,9 @@
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				SDKROOT = macosx;