[coreboot] [PATCH] reentrant and .bss-less vsprintf

[Patrick Georgi]

Hi,

attached patch kills a global variable, and makes vsprintf reentrant and 
work without requiring .bss space.

Make vsprintf reentrant. More importantly, eliminate global variable.

Signed-off-by: Patrick Georgi 
Index: src/console/vsprintf.c
===================================================================
--- src/console/vsprintf.c	(Revision 1725)
+++ src/console/vsprintf.c	(Arbeitskopie)
@@ -15,20 +15,16 @@

-/* FIXME this global makes vsprintf non-reentrant */
-
-static char *str_buf;
-static void str_tx_byte(unsigned char byte)
-{
-	*str_buf = byte;
-	str_buf++;
-}
-
 int vsprintf(char * buf, const char *fmt, va_list args)
 {
+	char *str_buf;
+	void str_tx_byte(unsigned char byte)
+	{
+		*str_buf = byte;
+		str_buf++;
+	}
+
    int i;
    str_buf = buf;
    i = vtxprintf(str_tx_byte, fmt, args);
-	/* maeder/Ispiri -- The null termination was missing a deference */
-	/*                  and was just zeroing out the pointer instead */
    *str_buf = '\0';
    return i;
 }