Implemented support for command-line options that print version information
on stdout: -version, --version and -v are all equivalent.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2578 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/unix/x0vncserver/x0vncserver.cxx b/unix/x0vncserver/x0vncserver.cxx
index 637af28..baf9fcc 100644
--- a/unix/x0vncserver/x0vncserver.cxx
+++ b/unix/x0vncserver/x0vncserver.cxx
@@ -368,11 +368,17 @@
char* programName;
+static void printVersion(FILE *fp)
+{
+ fprintf(fp, "TightVNC Server version %s, built %s\n",
+ VERSION, buildtime);
+}
+
static void usage()
{
- fprintf(stderr, "TightVNC Server version %s, built %s\n\n",
- VERSION, buildtime);
- fprintf(stderr, "Usage: %s [<parameters>]\n", programName);
+ printVersion(stderr);
+ fprintf(stderr, "\nUsage: %s [<parameters>]\n", programName);
+ fprintf(stderr, " %s --version\n", programName);
fprintf(stderr,"\n"
"Parameters can be turned on with -<param> or off with -<param>=0\n"
"Parameters which take a value can be specified as "
@@ -403,6 +409,12 @@
continue;
}
}
+ if (strcmp(argv[i], "-v") == 0 ||
+ strcmp(argv[i], "-version") == 0 ||
+ strcmp(argv[i], "--version") == 0) {
+ printVersion(stdout);
+ return 0;
+ }
usage();
}