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VSCNPRINTF(9) Basic C Library Functions VSCNPRINTF(9)

NAME

vscnprintf - Format a string and place it in a buffer

SYNOPSIS

int vscnprintf(char * buf, size_t size, const char * fmt, va_list args);

ARGUMENTS

char * buf

The buffer to place the result into

size_t size

The size of the buffer, including the trailing null space

const char * fmt

The format string to use

va_list args

Arguments for the format string

DESCRIPTION

The return value is the number of characters which have been written into the buf not including the trailing '\0'. If size is == 0 the function returns 0.

If you're not already dealing with a va_list consider using scnprintf.

See the vsnprintf documentation for format string extensions over C99.

COPYRIGHT

July 2017 Kernel Hackers Manual 4.11