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

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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>
This commit is contained in:
Wolfgang Denk 2010-06-20 17:14:14 +02:00
parent c0c15379e2
commit d9c27253ce
4 changed files with 18 additions and 12 deletions
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8
include/common.h
View file

@ -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);