41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
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#ifndef _STDIO_H
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#define _STDIO_H
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#include <stdint.h>
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#include <stdarg.h>
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extern int __attribute__ (( format ( printf, 1, 2 ) ))
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printf ( const char *fmt, ... );
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extern int __attribute__ (( format ( printf, 3, 4 ) ))
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snprintf ( char *buf, size_t size, const char *fmt, ... );
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extern int vprintf ( const char *fmt, va_list args );
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extern int vsnprintf ( char *buf, size_t size, const char *fmt, va_list args );
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/**
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* Write a formatted string to a buffer
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*
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* @v buf Buffer into which to write the string
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* @v fmt Format string
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* @v ... Arguments corresponding to the format string
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* @ret len Length of formatted string
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*/
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#define sprintf( buf, fmt, ... ) \
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snprintf ( (buf), ~( ( size_t ) 0 ), (fmt), ## __VA_ARGS__ )
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/**
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* Write a formatted string to a buffer
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*
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* @v buf Buffer into which to write the string
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* @v fmt Format string
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* @v args Arguments corresponding to the format string
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* @ret len Length of formatted string
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*/
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static inline int vsprintf ( char *buf, const char *fmt, va_list args ) {
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return vsnprintf ( buf, ~( ( size_t ) 0 ), fmt, args );
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}
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#endif /* _STDIO_H */
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