1 files changed, 67 insertions, 0 deletions
diff --git a/utils/mcpu-version.c b/utils/mcpu-version.c
new file mode 100644
index 0000000..74e0a83
--- /dev/null
+++ b/utils/mcpu-version.c
@@ -0,0 +1,67 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "mcpu-version.h"
+
+static const char *
+program_basename( const char *name )
+{
+  const char *p;
+
+  if( name == NULL || *name == 0 )
+    return( "mcpu" );
+
+  p = name + strlen( name );
+  while( p != name && p[-1] != '/' ) --p;
+  return( p );
+
+} /* End of program_basename() */
+
+
+int
+mcpu_version_parse_option( const char *option, mcpu_version_action *action )
+{
+  if( option == NULL || action == NULL )
+    return( 0 );
+
+  if( !strcmp( option, "--version" ) )
+  {
+    *action = MCPU_VERSION_FULL;
+    return( 1 );
+  }
+
+  if( !strcmp( option, "--dump-version" ) )
+  {
+    *action = MCPU_VERSION_DUMP;
+    return( 1 );
+  }
+
+  return( 0 );
+
+} /* End of mcpu_version_parse_option() */
+
+
+int
+mcpu_version_print( const char *progname, mcpu_version_action action )
+{
+  int rc;
+
+  if( action == MCPU_VERSION_FULL )
+    rc = printf( "%s (MCPU) %s\n", program_basename( progname ),
+                 PACKAGE_VERSION );
+  else if( action == MCPU_VERSION_DUMP )
+    rc = printf( "%s\n", PACKAGE_VERSION );
+  else
+  {
+    errno = EINVAL;
+    return( -1 );
+  }
+
+  return( rc < 0 ? -1 : 0 );
+
+} /* End of mcpu_version_print() */