introduce console none support

this will allow to have no console support

Use full for bootstrap as we can save 6.5 KiB (barebox.bin) and
3.8 KiB (zbarebox.bin lzo) on at91sam9263 as example vs console simple

As on bootstrap we have often very limited size.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 54 insertions, 10 deletions

diff --git a/include/stdio.h b/include/stdio.h
index 4901bc7182..5c091a8eab 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -11,6 +11,15 @@
 /* serial stuff */
 void	serial_printf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
 
+int	sprintf(char *buf, const char *fmt, ...) __attribute__ ((format(__printf__, 2, 3)));
+int	snprintf(char *buf, size_t size, const char *fmt, ...) __attribute__ ((format(__printf__, 3, 4)));
+int	vsprintf(char *buf, const char *fmt, va_list args);
+char	*asprintf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
+char	*vasprintf(const char *fmt, va_list ap);
+int	vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
+int	vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
+
+#ifndef CONFIG_CONSOLE_NONE
 /* stdin */
 int	tstc(void);
 
@@ -20,6 +29,51 @@ int	getc(void);
 int	console_puts(unsigned int ch, const char *s);
 void	console_flush(void);
 
+
+int	printf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
+int	vprintf(const char *fmt, va_list args);
+#else
+static inline int tstc(void)
+{
+	return 0;
+}
+
+static inline int console_puts(unsigned int ch, const char *str)
+{
+	return 0;
+}
+
+static inline int getc(void)
+{
+	return -EINVAL;
+}
+
+static inline void console_putc(unsigned int ch, char c) {}
+
+static inline void console_flush(void) {}
+
+static int printf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
+static inline int printf(const char *fmt, ...)
+{
+	return 0;
+}
+
+
+static inline int vprintf(const char *fmt, va_list args)
+{
+	return 0;
+}
+
+#ifndef ARCH_HAS_CTRLC
+/* test if ctrl-c was pressed */
+static inline int ctrlc (void)
+{
+	return 0;
+}
+#endif /* ARCH_HAS_CTRC */
+
+#endif
+
 static inline int puts(const char *s)
 {
 	return console_puts(CONSOLE_STDOUT, s);
@@ -30,16 +84,6 @@ static inline void putchar(char c)
 	console_putc(CONSOLE_STDOUT, c);
 }
 
-int	printf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
-int	vprintf(const char *fmt, va_list args);
-int	sprintf(char *buf, const char *fmt, ...) __attribute__ ((format(__printf__, 2, 3)));
-int	snprintf(char *buf, size_t size, const char *fmt, ...) __attribute__ ((format(__printf__, 3, 4)));
-int	vsprintf(char *buf, const char *fmt, va_list args);
-char	*asprintf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
-char	*vasprintf(const char *fmt, va_list ap);
-int	vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
-int	vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
-
 /* stderr */
 #define eputc(c)		console_putc(CONSOLE_STDERR, c)
 #define eputs(s)		console_puts(CONSOLE_STDERR, s)