Patch from Dennis Vlasenko to add the option to compress help text.

2 files changed, 25 insertions, 0 deletions

diff --git a/scripts/usage.c b/scripts/usage.c
new file mode 100644
index 000000000..06f059acd
--- /dev/null
+++ b/scripts/usage.c
@@ -0,0 +1,14 @@
+#include <unistd.h>
+#include "busybox.h"
+
+static const char usage_messages[] =
+#define MAKE_USAGE
+#include "usage.h"
+#include "applets.h"
+;
+
+int main(void)
+{
+        write(1, usage_messages, sizeof(usage_messages));
+        return 0;
+}
diff --git a/scripts/usage_compressed b/scripts/usage_compressed
new file mode 100644
index 000000000..fa12e4063
--- /dev/null
+++ b/scripts/usage_compressed
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+loc="$1"
+
+test "$loc" || loc=.
+
+echo 'static const char packed_usage[] = '
+"$loc"/usage | bzip2 -9 | od -v -t x1 \
+| sed -e 's/^[^ ]*//' -e 's/ \(..\)/\\x\1/g' -e 's/^\(.*\)$/"\1"/'
+echo ';'
+echo '#define SIZEOF_usage_messages' $((0 + `"$loc"/usage | wc -c `))