Add usage messages for applets without them.

1 files changed, 89 insertions, 0 deletions

diff --git a/usage.c b/usage.c
index d5a34ec..56ea80d 100644
--- a/usage.c
+++ b/usage.c
@@ -83,6 +83,15 @@ const char chvt_usage[] =
 	;
 #endif
 
+#if defined BB_CLEAR
+const char clear_usage[] =
+	"clear\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nClear screen.\n"
+#endif
+	;
+#endif
+
 #if defined BB_CP_MV
 const char cp_usage[] =
 	"cp [OPTION]... SOURCE DEST\n"
@@ -241,6 +250,15 @@ const char echo_usage[] =
 	;
 #endif
 
+#if defined BB_TRUE_FALSE
+const char false_usage[] =
+	"false\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nReturn an exit code of FALSE (1).\n"
+#endif
+	;
+#endif
+
 #if defined BB_FDFLUSH
 const char fdflush_usage[] =
 	"fdflush DEVICE\n"
@@ -340,6 +358,14 @@ const char gzip_usage[] =
 	;
 #endif
 
+#if defined BB_HALT
+const char halt_usage[] =
+	"halt\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nHalt the system.\n"
+#endif
+	;
+
 #if defined BB_HEAD
 const char head_usage[] =
 	"head [OPTION] [FILE]...\n"
@@ -353,6 +379,15 @@ const char head_usage[] =
 	;
 #endif
 
+#if defined BB_HOSTID
+const char hostid_usage[] =
+	"hostid\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nPrint out a unique 32-bit identifier for the machine.\n"
+#endif
+	;
+#endif
+
 #if defined BB_HOSTNAME
 const char hostname_usage[] =
 	"hostname [OPTION] {hostname | -F file}\n"
@@ -549,6 +584,15 @@ const char ls_usage[] =
 	;
 #endif
 
+#if defined BB_LSMOD
+const char lsmod_usage[] =
+	"lsmod\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nList the currently loaded kernel modules.\n"
+#endif
+	;
+#endif
+
 #if defined BB_MAKEDEVS
 const char makedevs_usage[] =
 	"makedevs NAME TYPE MAJOR MINOR FIRST LAST [s]\n"
@@ -767,6 +811,15 @@ const char ping_usage[] =
 #endif
 #endif
 
+#if defined BB_POWEROFF
+const char poweroff_usage[] =
+	"poweroff\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nHalt the system and request that the kernel shut off the power.\n"
+#endif
+	;
+#endif
+
 #if defined BB_PRINTF
 const char printf_usage[] =
 	"printf FORMAT [ARGUMENT...]\n"
@@ -787,6 +840,24 @@ const char ps_usage[] =
 	;
 #endif
 
+#if defined BB_PWD
+const char pwd_usage[] =
+	"pwd\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nPrint the full filename of the current working directory.\n"
+#endif
+	;
+#endif
+
+#if defined BB_REBOOT
+const char reboot_usage[] =
+	"reboot\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nReboot the system.\n"
+#endif
+	;
+#endif
+
 #if defined BB_RM
 const char rm_usage[] =
 	"rm [OPTION]... FILE...\n"
@@ -1055,6 +1126,15 @@ const char tr_usage[] =
 	;
 #endif
 
+#if defined BB_TRUE_FALSE
+const char true_usage[] =
+	"true\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nReturn an exit code of TRUE (0).\n"
+#endif
+	;
+#endif
+
 #if defined BB_TTY
 const char tty_usage[] =
 	"tty\n"
@@ -1129,6 +1209,15 @@ const char update_usage[] =
 	;
 #endif
 
+#if defined BB_UPTIME
+const char uptime_usage[] =
+	"uptime\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nDisplay the time since the last boot.\n"
+#endif
+	;
+#endif
+
 #if defined BB_USLEEP
 const char usleep_usage[] =
 	"usleep N\n"