Add version, help, and usage messages to the tools.

[liblbx.git] / src / lbxtool.c

diff --git a/src/lbxtool.c b/src/lbxtool.c
index 2c6105bea5d99d0a235ed937c67d1fef7beb3a75..1d80eeb0bcc5ab2c075b2c20ed5c0e33ce49745e 100644 (file)
--- a/src/lbxtool.c
+++ b/src/lbxtool.c
@@ -23,8 +23,20 @@
 #include <getopt.h>
 #include <fnmatch.h>
 
+#include "tools.h"
 #include "lbx.h"
 
+static void printusage(void)
+{
+       puts("usage: lbxtool [-l|-x] [-v] [-f path] [file ...]");
+}
+
+static void printhelp(void)
+{
+       printusage();
+       puts("For now, see the man page for detailed help.");
+}
+
 static const char *progname;
 #define errmsg(fmt, ...) (\
        fprintf(stderr, "%s: " fmt, progname, __VA_ARGS__)\
@@ -159,7 +171,7 @@ int main(int argc, char **argv)
        FILE *f  = stdin;
        int opt;
 
-       static const char         *sopts   = "lxf:i:v";
+       static const char         *sopts   = "lxf:i:vV";
        static const struct option lopts[] = {
                { "list",    0, NULL, 'l' },
                { "extract", 0, NULL, 'x' },
@@ -169,6 +181,10 @@ int main(int argc, char **argv)
 
                { "verbose", 0, NULL, 'v' },
 
+               { "version", 0, NULL, 'V' },
+               { "usage",   0, NULL, 'U' },
+               { "help",    0, NULL, 'H' },
+
                { 0 }
        };
 
@@ -200,6 +216,15 @@ int main(int argc, char **argv)
                case 'v':
                        verbose = 1;
                        break;
+               case 'V':
+                       puts(VERSION_BOILERPLATE("lbxtool"));
+                       return EXIT_SUCCESS;
+               case 'U':
+                       printusage();
+                       return EXIT_SUCCESS;
+               case 'H':
+                       printhelp();
+                       return EXIT_SUCCESS;
                default:
                        return EXIT_FAILURE;
                }