Uwe Hermann: Add a --version switch for openocd.

[fw/openocd] / src / helper / options.c

diff --git a/src/helper/options.c b/src/helper/options.c
index 35ab0f5dfdc0e0308e2877397f6511034ecb1591..b037a5eda55b9475ae817accc662ce7e473e755a 100644 (file)
--- a/src/helper/options.c
+++ b/src/helper/options.c
@@ -31,18 +31,17 @@
 #include <getopt.h>
 #include <string.h>
 
-static int help_flag;
+static int help_flag, version_flag;
 
 static struct option long_options[] =
 {
-       {"help",                        no_argument,    &help_flag, 1},
-
-       {"debug",                       optional_argument,      0, 'd'},
-       {"file",                        required_argument,      0, 'f'},
-       {"search",                      required_argument,      0, 's'},
-       {"log_output",          required_argument,      0, 'l'},
-       {"command",                     required_argument,      0, 'c'},
-       
+       {"help",        no_argument,            &help_flag,     1},
+       {"version",     no_argument,            &version_flag,  1},
+       {"debug",       optional_argument,      0,              'd'},
+       {"file",        required_argument,      0,              'f'},
+       {"search",      required_argument,      0,              's'},
+       {"log_output",  required_argument,      0,              'l'},
+       {"command",     required_argument,      0,              'c'},
        {0, 0, 0, 0}
 };
 
@@ -63,7 +62,7 @@ int parse_cmdline_args(struct command_context_s *cmd_ctx, int argc, char *argv[]
                /* getopt_long stores the option index here. */
                int option_index = 0;
                
-               c = getopt_long(argc, argv, "hd::l:f:s:c:", long_options, &option_index);
+               c = getopt_long(argc, argv, "hvd::l:f:s:c:", long_options, &option_index);
                
                /* Detect the end of the options. */
                if (c == -1)
@@ -76,6 +75,9 @@ int parse_cmdline_args(struct command_context_s *cmd_ctx, int argc, char *argv[]
                        case 'h':       /* --help | -h */
                                help_flag = 1;
                                break;
+                       case 'v':       /* --version | -v */
+                               version_flag = 1;
+                               break;
                        case 'f':       /* --file | -f */
                                snprintf(command_buffer, 128, "script %s", optarg);
                                add_config_file_name(command_buffer);
@@ -109,8 +111,9 @@ int parse_cmdline_args(struct command_context_s *cmd_ctx, int argc, char *argv[]
 
        if (help_flag)
        {
-               OUTPUT("Open On-Chip Debugger\n(c) 2005 by Dominic Rath\n\n");
+               OUTPUT("Open On-Chip Debugger\n(c) 2005-2008 by Dominic Rath\n\n");
                OUTPUT("--help       | -h\tdisplay this help\n");
+               OUTPUT("--version    | -v\tdisplay OpenOCD version\n");
                OUTPUT("--file       | -f\tuse configuration file <name>\n");
                OUTPUT("--search     | -s\tdir to search for config files and scripts.\n");
                OUTPUT("--debug      | -d\tset debug level <0-3>\n");
@@ -119,6 +122,12 @@ int parse_cmdline_args(struct command_context_s *cmd_ctx, int argc, char *argv[]
                exit(-1);
        }       
 
+       if (version_flag)
+       {
+               /* Nothing to do, version gets printed automatically. */
+               exit(-1);
+       }       
+
 #ifdef _WIN32
        /* Add the parent of the directory where openocd.exe resides to the
         * config script search path.