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Diffstat (limited to 'lib/display_options.c')
-rw-r--r--lib/display_options.c36
1 files changed, 31 insertions, 5 deletions
diff --git a/lib/display_options.c b/lib/display_options.c
index 29343fc..4ea27ca 100644
--- a/lib/display_options.c
+++ b/lib/display_options.c
@@ -13,13 +13,39 @@
#include <linux/ctype.h>
#include <asm/io.h>
-int display_options (void)
+char *display_options_get_banner_priv(bool newlines, const char *build_tag,
+ char *buf, int size)
{
-#if defined(BUILD_TAG)
- printf ("\n\n%s, Build: %s\n\n", version_string, BUILD_TAG);
-#else
- printf ("\n\n%s\n\n", version_string);
+ int len;
+
+ len = snprintf(buf, size, "%s%s", newlines ? "\n\n" : "",
+ version_string);
+ if (build_tag && len < size)
+ len += snprintf(buf + len, size - len, ", Build: %s",
+ build_tag);
+ if (len > size - 3)
+ len = size - 3;
+ strcpy(buf + len, "\n\n");
+
+ return buf;
+}
+
+#ifndef BUILD_TAG
+#define BUILD_TAG NULL
#endif
+
+char *display_options_get_banner(bool newlines, char *buf, int size)
+{
+ return display_options_get_banner_priv(newlines, BUILD_TAG, buf, size);
+}
+
+int display_options(void)
+{
+ char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
+
+ display_options_get_banner(true, buf, sizeof(buf));
+ printf("%s", buf);
+
return 0;
}