NAME¶
fmt_utf8 - encode 31-bit unsigned integer using UTF-8 rules
SYNTAX¶
#include <fmt.h>
size_t
fmt_utf8(char *
dest,uint32_t
source);
DESCRIPTION¶
fmt_utf8 encodes a 31-bit unsigned integer using the UTF-8 rules. This can take
from 1 byte (0-0x7f) up to 5 bytes (0x4000000-0x7fffffff). Values larger than
0x7fffffff cannot be represented in this encoding.
If
dest equals FMT_LEN (i.e. is NULL), fmt_utf8 returns the number of
bytes it would have written.
For convenience, fmt.h defines the integer FMT_UTF8 to be big enough to contain
every possible fmt_utf8 output.
SEE ALSO¶
scan_utf8(3)
