util_version: new helper for displaying version info

This is so all utilities can have this flag and not just dtc. Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
dgibson · Apr 21, 2013 · 31be4ce · 31be4ce
1 parent 97c122e
commit 31be4ce
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Showing 3 changed files with 13 additions and 4 deletions.
diff --git a/dtc.c b/dtc.c
@@ -21,8 +21,6 @@
 #include "dtc.h"
 #include "srcpos.h"
 
-#include "version_gen.h"
-
 /*
  * Command line options
  */
@@ -158,8 +156,7 @@ int main(int argc, char *argv[])
 			srcfile_add_search_path(optarg);
 			break;
 		case 'v':
-			printf("Version: %s\n", DTC_VERSION);
-			exit(0);
+			util_version();
 		case 'H':
 			if (streq(optarg, "legacy"))
 				phandle_format = PHANDLE_LEGACY;

diff --git a/util.c b/util.c
@@ -34,6 +34,7 @@
 
 #include "libfdt.h"
 #include "util.h"
+#include "version_gen.h"
 
 char *xstrdup(const char *s)
 {
@@ -374,3 +375,9 @@ void utilfdt_print_data(const char *data, int len)
 		printf("]");
 	}
 }
+
+void util_version(void)
+{
+	printf("Version: %s\n", DTC_VERSION);
+	exit(0);
+}
diff --git a/util.h b/util.h
@@ -168,4 +168,9 @@ int utilfdt_decode_type(const char *fmt, int *type, int *size);
  */
 void utilfdt_print_data(const char *data, int len);
 
+/**
+ * Show source version and exit
+ */
+void util_version(void) __attribute__((noreturn));
+
 #endif /* _UTIL_H */