1 files changed, 42 insertions, 0 deletions

diff --git a/src/cli.c b/src/cli.c
index dbb2f4f..8df6539 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -17,6 +17,7 @@
    You should have received a copy of the GNU General Public License
    along with Nekopack. If not, see <http://www.gnu.org/licenses/>. */
 
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -25,6 +26,8 @@
 #include "cli.h"
 #include "crypto.h"
 
+#define NEKOPACK_VERSION "2.1.0b1"
+
 
 /* Copies `optarg` into the out field of `p` and ensures that it ends in
    a trailing path delimiter. */
@@ -64,6 +67,7 @@ struct params parse_args(int argc, char **argv) {
         p.mode = USAGE;
         return p;
     }
+
     p.mode = EXTRACT;
 
     int cur = 0, opt_index = 0, count = 0;
@@ -86,25 +90,33 @@ struct params parse_args(int argc, char **argv) {
         case 'h':
             p.mode = HELP;
             return p;
+
         case 'V':
             p.mode = VERSION;
             return p;
+
         case 'v':
             p.verbose = true;
             break;
+
         case 'o':
             count++;
             parse_output_path(optarg, &p);
             break;
+
         case 'g':
             count++;
             parse_game_id(optarg, &p);
+            break;
+
         case 'e':
             p.mode = EXTRACT;
             break;
+
         case 'l':
             p.mode = LIST;
             break;
+
         case 'c':
             p.mode = CREATE;
         }
@@ -124,3 +136,33 @@ struct params parse_args(int argc, char **argv) {
 
     return p;
 }
+
+
+void print_usage(char *progn) {
+    fprintf(stderr, "Usage: %s [OPTIONS] (ARCHIVES) [PATHS]\n", progn);
+}
+
+
+void print_version(void) {
+    printf("Nekopack version %s\nProgrammed by Jakob. "
+           "<http://jakob.space>\n", NEKOPACK_VERSION);
+}
+
+
+void print_help(void) {
+    printf("A tool for decompressing the XP3 archives used by Nekopara.\n\n"
+           "   -h, --help\t\tDisplay this help page and exit.\n"
+           "   -v, --version\tDisplay the currently installed version and "
+           "exit.\n\n"
+           "   -e, --extract\tExtract the contents of the archive. This is "
+           "the default\n\t\t\taction if no mode argument is provided.\n"
+           "   -l, --list\t\tList the contents of the archive.\n"
+           "   -c, --create\t\tCreate a new XP3 archive.\n\n"
+           "   -o, --output\t\tPath to extract files to.\n"
+           "   -g, --game\t\tGame the archive is from. Required for file "
+           "decryption.\n"
+           "   -q, --quiet\t\tDon't display information about extracted "
+           "files.\n\n"
+           "Supported games: nekopara_volume_0, nekopara_volume_0_steam,\n"
+           "nekopara_volume_1, nekopara_volume_1_steam\n");
+}