added more -? choices

git-svn-id: https://www.crosswire.org/svn/sword-tools/trunk@146 07627401-56e2-0310-80f4-f8cd0041bdcd

1 files changed, 5 insertions, 1 deletions

diff --git a/flashtools/flash.cpp b/flashtools/flash.cpp
index 6f2a578..2ee86b9 100644
--- a/flashtools/flash.cpp
+++ b/flashtools/flash.cpp
@@ -21,6 +21,7 @@
  */
 
 #include <map>
+#include <algorithm>
 #include <vector>
 #include <iostream>
 #include <sstream>
@@ -493,7 +494,10 @@ int main(int argc, char **argv) {
 			if (i+1 < argc) outDir = argv[++i];
 			else usage(*argv, "-o requires <outputDir>");
 		}
-		else if (!strcmp(argv[i], "-h")) {
+		else if ((!strcmp(argv[i], "-h"))
+			 || (!strcmp(argv[i], "-?"))
+			 || (!strcmp(argv[i], "--help"))
+										) {
 			usage(*argv);
 		}
 		else usage(*argv, (((SWBuf)"Unknown argument: ")+ argv[i]).c_str());