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Finally move the prototypes for printf() and friends to stdio.h

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This commit is contained in:
Michael Brown 2007-01-19 00:58:49 +00:00
parent 1a0ca661c2
commit 06475f7b69
2 changed files with 41 additions and 34 deletions
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40
src/include/stdio.h Normal file
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@ -0,0 +1,40 @@
#ifndef _STDIO_H
#define _STDIO_H
#include <stdint.h>
#include <stdarg.h>
extern int __attribute__ (( format ( printf, 1, 2 ) ))
printf ( const char *fmt, ... );
extern int __attribute__ (( format ( printf, 3, 4 ) ))
snprintf ( char *buf, size_t size, const char *fmt, ... );
extern int vprintf ( const char *fmt, va_list args );
extern int vsnprintf ( char *buf, size_t size, const char *fmt, va_list args );
/**
* Write a formatted string to a buffer
*
* @v buf Buffer into which to write the string
* @v fmt Format string
* @v ... Arguments corresponding to the format string
* @ret len Length of formatted string
*/
#define sprintf( buf, fmt, ... ) \
snprintf ( (buf), ~( ( size_t ) 0 ), (fmt), ## __VA_ARGS__ )
/**
* Write a formatted string to a buffer
*
* @v buf Buffer into which to write the string
* @v fmt Format string
* @v args Arguments corresponding to the format string
* @ret len Length of formatted string
*/
static inline int vsprintf ( char *buf, const char *fmt, va_list args ) {
return vsnprintf ( buf, ~( ( size_t ) 0 ), fmt, args );
}
#endif /* _STDIO_H */

35
src/include/vsprintf.h
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@ -33,8 +33,7 @@
#include <stdint.h>
#include <stdarg.h>
#define PRINTF_NO_LENGTH ( ( size_t ) -1 )
#include <stdio.h>
/**
* A printf context
@ -65,36 +64,4 @@ struct printf_context {
extern size_t vcprintf ( struct printf_context *ctx, const char *fmt,
va_list args );
extern int vsnprintf ( char *buf, size_t size, const char *fmt, va_list args );
extern int vprintf ( const char *fmt, va_list args );
extern int __attribute__ (( format ( printf, 3, 4 ) ))
snprintf ( char *buf, size_t size, const char *fmt, ... );
extern int __attribute__ (( format ( printf, 1, 2 ) ))
printf ( const char *fmt, ... );
/**
* Write a formatted string to a buffer
*
* @v buf Buffer into which to write the string
* @v fmt Format string
* @v ... Arguments corresponding to the format string
* @ret len Length of formatted string
*/
#define sprintf( buf, fmt, ... ) \
snprintf ( (buf), PRINTF_NO_LENGTH, (fmt), ## __VA_ARGS__ )
/**
* Write a formatted string to a buffer
*
* @v buf Buffer into which to write the string
* @v fmt Format string
* @v args Arguments corresponding to the format string
* @ret len Length of formatted string
*/
static inline int vsprintf ( char *buf, const char *fmt, va_list args ) {
return vsnprintf ( buf, PRINTF_NO_LENGTH, fmt, args );
}
#endif /* VSPRINTF_H */