lib/tiny-printf.c: Add tiny printf function for space limited environments

[karo-tx-uboot.git] / lib / vsprintf.c

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 4c82837cc41e8e55899d945e8f27d399a0b0be71..dd8380b418c932ca0e0d2e8b80248d213ee047da 100644 (file)
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -861,6 +861,42 @@ int sprintf(char *buf, const char *fmt, ...)
        return i;
 }
 
+int printf(const char *fmt, ...)
+{
+       va_list args;
+       uint i;
+       char printbuffer[CONFIG_SYS_PBSIZE];
+
+       va_start(args, fmt);
+
+       /*
+        * For this to work, printbuffer must be larger than
+        * anything we ever want to print.
+        */
+       i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
+       va_end(args);
+
+       /* Print the string */
+       puts(printbuffer);
+       return i;
+}
+
+int vprintf(const char *fmt, va_list args)
+{
+       uint i;
+       char printbuffer[CONFIG_SYS_PBSIZE];
+
+       /*
+        * For this to work, printbuffer must be larger than
+        * anything we ever want to print.
+        */
+       i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
+
+       /* Print the string */
+       puts(printbuffer);
+       return i;
+}
+
 static void panic_finish(void) __attribute__ ((noreturn));
 
 static void panic_finish(void)