Make *printf() return "int" instead of "void"

Change the return type of the *printf() functions to the standard
"int"; no changes are needed but returning the already available
length count.

This will save a few additional strlen() calls later...

Signed-off-by: Wolfgang Denk <wd@denx.de>

2 files changed, 6 insertions, 6 deletions

diff --git a/include/common.h b/include/common.h
index 8bca04fdd7..48f6a1a074 100644
--- a/include/common.h
+++ b/include/common.h
@@ -663,7 +663,7 @@ int	disable_ctrlc (int);	/* 1 to disable, 0 to enable Control-C detect */
  * STDIO based functions (can always be used)
  */
 /* serial stuff */
-void	serial_printf (const char *fmt, ...)
+int	serial_printf (const char *fmt, ...)
 		__attribute__ ((format (__printf__, 1, 2)));
 /* stdin */
 int	getc(void);
@@ -672,9 +672,9 @@ int	tstc(void);
 /* stdout */
 void	putc(const char c);
 void	puts(const char *s);
-void	printf(const char *fmt, ...)
+int	printf(const char *fmt, ...)
 		__attribute__ ((format (__printf__, 1, 2)));
-void	vprintf(const char *fmt, va_list args);
+int	vprintf(const char *fmt, va_list args);
 
 /* stderr */
 #define eputc(c)		fputc(stderr, c)
@@ -689,7 +689,7 @@ void	vprintf(const char *fmt, va_list args);
 #define stderr		2
 #define MAX_FILES	3
 
-void	fprintf(int file, const char *fmt, ...)
+int	fprintf(int file, const char *fmt, ...)
 		__attribute__ ((format (__printf__, 2, 3)));
 void	fputs(int file, const char *s);
 void	fputc(int file, const char c);
diff --git a/include/exports.h b/include/exports.h
index c3a5d2f32e..9588bc94e4 100644
--- a/include/exports.h
+++ b/include/exports.h
@@ -11,14 +11,14 @@ int  getc(void);
 int  tstc(void);
 void putc(const char);
 void puts(const char*);
-void printf(const char* fmt, ...);
+int printf(const char* fmt, ...);
 void install_hdlr(int, interrupt_handler_t*, void*);
 void free_hdlr(int);
 void *malloc(size_t);
 void free(void*);
 void __udelay(unsigned long);
 unsigned long get_timer(unsigned long);
-void vprintf(const char *, va_list);
+int vprintf(const char *, va_list);
 void do_reset (void);
 unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base);
 char *getenv (char *name);