Add licence and version info

3 files changed, 44 insertions, 2 deletions

diff --git a/src/actionparser.c b/src/actionparser.c
index 3e193ff..0057e7f 100644
--- a/src/actionparser.c
+++ b/src/actionparser.c
@@ -15,6 +15,7 @@
  * -------------------------------------------------------------------------- */
 #include "actionparser.h"
 #include "ckutil.h"
+#include "ckinfo.h"
 
 /* accepted commands */
 /* [0] is the count */
@@ -26,6 +27,7 @@ const char* const strLIST[]    = {"5", "list",   "l",  "ls", "-l", "-ls"};
 const char* const strSEARCH[]  = {"3", "search", "s",  "-s"};
 const char* const strHELP[]    = {"5", "help",   "h",  "-?", "-h", "--help"};
 const char* const strConfDir[] = {"4", "config", "conf", "c", "-c"};
+const char* const strVersion[] = {"4", "version", "--version", "-v", "-V"};
 
 /* Number of opts */
 static int optNum;
@@ -100,6 +102,7 @@ int parse_ADD(UserOpt *opt) {
 int parse_DEL(UserOpt *opt) {
   return -1;
 }
+
 int parse_EDIT(UserOpt *opt) {
   /* EDIT expects 1 to 2 arguments */
   if (optNum <= pos || optNum > pos + 2) {
@@ -111,9 +114,10 @@ int parse_EDIT(UserOpt *opt) {
   fill_args_list(arg_num, opt);
   return 1;
 }
+
 int parse_LIST(UserOpt *opt) {
   /* List expects a maximum of than 3 arguments */
-  if (optNum > pos + 4) {
+  if (optNum <= pos || optNum > pos + 4) {
     opt->err = PERR_LIST_WRONG;
     return -1;
   }
@@ -122,6 +126,7 @@ int parse_LIST(UserOpt *opt) {
   fill_args_list(arg_num, opt);
   return 1;
 }
+
 int parse_SEARCH(UserOpt *opt) {
   /* Search expects a maximum of 1 argument */
   if (optNum > pos + 1) {
@@ -133,6 +138,7 @@ int parse_SEARCH(UserOpt *opt) {
   fill_args_list(arg_num, opt);  
   return 1;
 }
+
 int parse_HELP(UserOpt *opt) {
   return -1;
 }
@@ -230,6 +236,22 @@ void get_config(UserOpt *opt) {
   token = opts[pos];
 }
 
+void version() {
+  /* get first token */
+  next_token();
+
+  for (int i = 1; i < atoi(strVersion[0]) + 1; i++) {
+    if (strcmp(token, strVersion[i]) == 0) {
+      print_version();
+      exit(0);
+    }
+  }
+
+  // rewind
+  pos = pos - 1;
+  token = opts[pos];
+}
+
 void get_possible_action_strings(char *dest, CkAction ckAction) {
   char buf[STR_S];
   switch (ckAction) {
@@ -321,6 +343,9 @@ ActionParseResult parse_action(int argc, char* argv[], UserOpt *opt) {
   /* skip the program name */
   next_token();
 
+  /* handle version info */
+  version();
+
   /* figure what is the config file */
   get_config(opt);
 
diff --git a/src/actions.c b/src/actions.c
index b164779..54e781b 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -154,7 +154,6 @@ int run_LIST(UserOpt *opt, Conf *conf) {
     list_free(list_type);
     return 0;
   case LT_NONE:
-    printf("What should I list? (paths, configs)\n");
     close_DB(&db);
     list_free(list_type);
     return 1;
diff --git a/src/ckinfo.h.in b/src/ckinfo.h.in
new file mode 100644
index 0000000..3b7f843
--- /dev/null
+++ b/src/ckinfo.h.in
@@ -0,0 +1,18 @@
+#ifndef CK_INFO_H
+#define CK_INFO_H
+
+#include <stdio.h>
+
+#define CK_MAJOR_VERSION @ck_MAJOR_VERSION@
+#define CK_MINOR_VERSION @ck_MINOR_VERSION@
+
+
+extern void print_version() {
+  printf("ck version %d.%d\n", CK_MAJOR_VERSION, CK_MINOR_VERSION);
+  printf("ck Copyright (C) 2018 gramanas\n\
+This program comes with ABSOLUTELY NO WARRANTY.\n\
+This is free software, and you are welcome to redistribute it under\n\
+certain condition. See the LICENCE file in the source tree for details.\n");
+}
+
+#endif /* CK_INFO_H */