Include GPL version 3 license and copyright notices

1 files changed, 49 insertions, 3 deletions

diff --git a/argparse.c b/argparse.c
index e748b3e..68ee068 100644
--- a/argparse.c
+++ b/argparse.c
@@ -1,3 +1,21 @@
+/*  This file is part of cputemp2maxfreq.
+
+    Copyright (C) 2023-2024 pa4wdh
+
+    cputemp2maxfreq is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License , or
+    (at your option) any later version.
+
+    cputemp2maxfreq is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cputemp2maxfreq; see the file COPYING.  If not, see
+    <http://www.gnu.org/licenses>.
+*/
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ -5,6 +23,7 @@
 #include "cputemp2maxfreq.h"
 #include "debug.h"
 #include "logger.h"
+#include "version.h"
 
 extern struct s_config config;
 
@@ -50,12 +69,36 @@ void printhelp()
   "               Default timestamp format is: YYYY-MM-DD HH:MM:SS\n"
   "\n"
   "Other options:\n"
-  "-h             Display this help text\n",
+  "-h             Display this help text\n"
+  "-v             Display version and license information\n",
   config.name,config.fallback_freq,config.governor,config.temp_input,config.interval,
   config.freq_step,config.max_temp/1000,config.logger_name
  );
 }
 
+void printversion()
+{
+ printf("%s version %s\n\n",config.name,version());
+ printf(
+  "Copyright 2023, 2024 pa4wdh\n"
+  "\n"
+  "%s is free software; you can redistribute it and/or modify\n"
+  "it under the terms of the GNU General Public License as published by\n"
+  "the Free Software Foundation; either version 3 of the License , or\n"
+  "(at your option) any later version.\n"
+  "\n"
+  "%s is distributed in the hope that it will be useful,\n"
+  "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+  "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
+  "GNU General Public License for more details.\n"
+  "\n"
+  "You should have received a copy of the GNU General Public License\n"
+  "along with %s; see the file COPYING.  If not, see\n"
+  "<http://www.gnu.org/licenses>.\n",
+  config.name,config.name,config.name
+ );
+}
+
 void argparse(int argc, char **argv)
 {
  int opt;
@@ -77,7 +120,7 @@ void argparse(int argc, char **argv)
  memcpy(&userconfig,&config,sizeof(struct s_config));
 
 // Parse options
- while((opt=getopt(argc,argv,"c:C:d:f:g:hi:kl:mp:P:s:t:u"))!=-1)
+ while((opt=getopt(argc,argv,"c:C:d:f:g:hi:kl:mp:P:s:t:uv"))!=-1)
  {
   DEBUG1_ARGPARSE("Argument: %c Value: %s\n",opt,optarg);
   switch(opt)
@@ -106,7 +149,7 @@ void argparse(int argc, char **argv)
     break;
    case 'h':
     printhelp();
-    exit(1);
+    exit(0);
    case 'i':
     strncpy(userconfig.temp_input,optarg,sizeof(userconfig.temp_input));
     break;
@@ -139,6 +182,9 @@ void argparse(int argc, char **argv)
    case 'u':
     userconfig.use_unixtime=1;
     break;
+   case 'v':
+    printversion();
+    exit(0);
    default:
     printhelp();
     exit(1);