X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=applets%2Fusage.c;h=94520ff66fa581e94e48e8fc2c77836e61b425f4;hb=e32b6503e75d5bcbf8ffff69cafb09523ff2b482;hp=c128b52f86cd4cbc736927fcd0ca138597e46ccc;hpb=432d69cb41be34586eb2c26b65618f7d024a7ef7;p=oweals%2Fbusybox.git

diff --git a/applets/usage.c b/applets/usage.c
index c128b52f8..94520ff66 100644
--- a/applets/usage.c
+++ b/applets/usage.c
@@ -1,16 +1,55 @@
 /* vi: set sw=4 ts=4: */
+/*
+ * Copyright (C) 2008 Denys Vlasenko.
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
 #include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
 
 #include "autoconf.h"
 
-static const char usage_messages[] = ""
-#define MAKE_USAGE
+/* Since we can't use platform.h, have to do this again by hand: */
+#if ENABLE_NOMMU
+# define BB_MMU 0
+# define USE_FOR_NOMMU(...) __VA_ARGS__
+# define USE_FOR_MMU(...)
+#else
+# define BB_MMU 1
+# define USE_FOR_NOMMU(...)
+# define USE_FOR_MMU(...) __VA_ARGS__
+#endif
+
 #include "usage.h"
+#define MAKE_USAGE(aname, usage) { aname, usage },
+static struct usage_data {
+	const char *aname;
+	const char *usage;
+} usage_array[] = {
 #include "applets.h"
-;
+};
+
+static int compare_func(const void *a, const void *b)
+{
+	const struct usage_data *ua = a;
+	const struct usage_data *ub = b;
+	return strcmp(ua->aname, ub->aname);
+}
 
 int main(void)
 {
-	write(1, usage_messages, sizeof(usage_messages));
+	int i;
+	int num_messages = sizeof(usage_array) / sizeof(usage_array[0]);
+
+	if (num_messages == 0)
+		return 0;
+
+	qsort(usage_array,
+		num_messages, sizeof(usage_array[0]),
+		compare_func);
+	for (i = 0; i < num_messages; i++)
+		write(STDOUT_FILENO, usage_array[i].usage, strlen(usage_array[i].usage) + 1);
+
 	return 0;
 }