[1/5] kvm-unittest: add printf %c support

Commit Message

Michael S. Tsirkin April 3, 2013, 8:52 a.m. UTC

Handy for printing debug strings from hardware.

Signed-off-by: Michael S. Tsirkin <[e-mail]>
---
 lib/printf.c | 3 +++
 1 file changed, 3 insertions(+)

Patch

diff --git a/lib/printf.c b/lib/printf.c
index 3bb9e3d..867eb19 100644
--- a/lib/printf.c
+++ b/lib/printf.c
@@ -104,6 +104,9 @@  int vsnprintf(char *buf, int size, const char *fmt, va_list va)
 	case '%':
 	    addchar(&s, '%');
 	    break;
+	case 'c':
+            addchar(&s, va_arg(va, int));
+	    break;
 	case '\0':
 	    --fmt;
 	    break;