false: make "false --help" exit with 1

function                                             old     new   delta
run_applet_no_and_exit                               447     445      -2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

applets/applet_tables.c

@@ -14,6 +14,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <unistd.h>
+#include <ctype.h>
 
 #undef ARRAY_SIZE
 #define ARRAY_SIZE(x) ((unsigned)(sizeof(x) / sizeof((x)[0])))
@@ -49,6 +50,16 @@ static int cmp_name(const void *a, const void *b)
 	return strcmp(aa->name, bb->name);
 }
 
+static int str_isalnum_(const char *s)
+{
+	while (*s) {
+		if (!isalnum(*s) && *s != '_')
+			return 0;
+		s++;
+	}
+	return 1;
+}
+
 int main(int argc, char **argv)
 {
 	int i;
@@ -94,6 +105,12 @@ int main(int argc, char **argv)
 	}
 	printf(";\n\n");
 
+	for (i = 0; i < NUM_APPLETS; i++) {
+		if (str_isalnum_(applets[i].name))
+			printf("#define APPLET_NO_%s %d\n", applets[i].name, i);
+	}
+	printf("\n");
+
 	printf("#ifndef SKIP_applet_main\n");
 	printf("int (*const applet_main[])(int argc, char **argv) = {\n");
 	for (i = 0; i < NUM_APPLETS; i++) {