BSTR_PRINTF(9) Basic C Library Functions BSTR_PRINTF(9)NAMEbstr_printf - Format a string from binary arguments and place it in a
buffer
SYNOPSIS
int bstr_printf(char * buf, size_t size, const char * fmt,
const u32 * bin_buf);
ARGUMENTS
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
bin_buf
Binary arguments for the format string
DESCRIPTION
This function like C99 vsnprintf, but the difference is that vsnprintf
gets arguments from stack, and bstr_printf gets arguments from bin_buf
which is a binary buffer that generated by vbin_printf.
The format follows C99 vsnprintf, but has some extensions: see
vsnprintf comment for details.
The return value is the number of characters which would be generated
for the given input, excluding the trailing '\0', as per ISO C99. If
you want to have the exact number of characters written into buf as
return value (not including the trailing '\0'), use vscnprintf. If the
return is greater than or equal to size, the resulting string is
truncated.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 BSTR_PRINTF(9)