NAME¶

rtapi_snprintf, rtapi_vsnprintf - Perform snprintf-like string formatting

SYNTAX¶

int rtapi_snprintf(char *buf, unsigned long int size, const char *fmt, ...)

int rtapi_vsnprintf(char *buf, unsigned long int size, const char *fmt, va_list apfB)

ARGUMENTS¶

As for snprintf(3) or vsnprintf(3).

DESCRIPTION¶

These functions work like the standard C printf functions, except that a reduced set of formatting operations are supported.

In particular: formatting of long long values is not supported. Formatting of floating-point values is done as though with %A even when other formats like %f are specified.

REALTIME CONSIDERATIONS¶

May be called from non-realtime, init/cleanup, and realtime code.

RETURN VALUE¶

The number of characters written to buf.

SEE ALSO¶

printf(3)