blob: 7b999a519ba954df7b448708c8824e4ac23c293b [file] [log] [blame]
#ifndef __STDIO_H
#define __STDIO_H
#include <stdarg.h>
#include <linux/compiler.h>
/* stdin */
int getchar(void);
int tstc(void);
/* stdout */
#if !defined(CONFIG_SPL_BUILD) || \
(defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL)) || \
(defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \
defined(CONFIG_SPL_SERIAL))
void putc(const char c);
void puts(const char *s);
#ifdef CONFIG_CONSOLE_FLUSH_SUPPORT
void flush(void);
#else
static inline void flush(void) {}
#endif
int __printf(1, 2) printf(const char *fmt, ...);
int vprintf(const char *fmt, va_list args);
#else
static inline void putc(const char c)
{
}
static inline void puts(const char *s)
{
}
static inline void flush(void)
{
}
static inline int __printf(1, 2) printf(const char *fmt, ...)
{
return 0;
}
static inline int vprintf(const char *fmt, va_list args)
{
return 0;
}
#endif
/**
* Format a string and place it in a buffer
*
* @buf: The buffer to place the result into
* @size: The size of the buffer, including the trailing null space
* @fmt: The format string to use
* @...: Arguments for the format string
* Return: the number of characters which would be
* generated for the given input, excluding the trailing null,
* as per ISO C99. If the return is greater than or equal to
* @size, the resulting string is truncated.
*
* See the vsprintf() documentation for format string extensions over C99.
*/
int snprintf(char *buf, size_t size, const char *fmt, ...)
__attribute__ ((format (__printf__, 3, 4)));
/*
* FILE based functions (can only be used AFTER relocation!)
*/
#define stdin 0
#define stdout 1
#define stderr 2
#define MAX_FILES 3
/* stderr */
#define eputc(c) fputc(stderr, c)
#define eputs(s) fputs(stderr, s)
#define eflush() fflush(stderr)
#define eprintf(fmt, args...) fprintf(stderr, fmt, ##args)
int __printf(2, 3) fprintf(int file, const char *fmt, ...);
void fputs(int file, const char *s);
void fputc(int file, const char c);
#ifdef CONFIG_CONSOLE_FLUSH_SUPPORT
void fflush(int file);
#else
static inline void fflush(int file) {}
#endif
int ftstc(int file);
int fgetc(int file);
#endif /* __STDIO_H */