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-rw-r--r--mdk-stage1/dietlibc/libstdio/printf.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libstdio/printf.c b/mdk-stage1/dietlibc/libstdio/printf.c
new file mode 100644
index 000000000..571420dc3
--- /dev/null
+++ b/mdk-stage1/dietlibc/libstdio/printf.c
@@ -0,0 +1,29 @@
+#include <stdarg.h>
+#include <linux/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "dietstdio.h"
+
+int vsnprintf (char *str,size_t size,const char *format, va_list arg_ptr);
+
+int printf(const char *format,...)
+{
+ int n;
+ char *printf_buf;
+/* char printf_buf[1024]; */
+ va_list arg_ptr;
+ va_start(arg_ptr, format);
+ n=vsnprintf(0,1000000,format,arg_ptr);
+/* write(1,printf_buf,strlen(printf_buf)); */
+ va_end (arg_ptr);
+ va_start (arg_ptr, format);
+ printf_buf=alloca(n+2);
+ n=vsnprintf(printf_buf,n+1,format,arg_ptr);
+#ifdef WANT_BUFFERED_STDIO
+ fwrite(printf_buf,n,1,stdout);
+#else
+ write(1,printf_buf,n);
+#endif
+ va_end (arg_ptr);
+ return n;
+}