diff options
Diffstat (limited to 'libc/docs')
| -rw-r--r-- | libc/docs/configure.rst | 1 | ||||
| -rw-r--r-- | libc/docs/dev/printf_behavior.rst | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/libc/docs/configure.rst b/libc/docs/configure.rst index 81888bb..68bacfd 100644 --- a/libc/docs/configure.rst +++ b/libc/docs/configure.rst @@ -43,6 +43,7 @@ to learn about the defaults for your platform and target. - ``LIBC_CONF_PRINTF_DISABLE_FLOAT``: Disable printing floating point values in printf and friends. - ``LIBC_CONF_PRINTF_DISABLE_INDEX_MODE``: Disable index mode in the printf format string. - ``LIBC_CONF_PRINTF_DISABLE_STRERROR``: Disable handling of %m to print strerror in printf and friends. + - ``LIBC_CONF_PRINTF_DISABLE_WIDE``: Disable handling wide characters for printf and friends. - ``LIBC_CONF_PRINTF_DISABLE_WRITE_INT``: Disable handling of %n in printf format string. - ``LIBC_CONF_PRINTF_FLOAT_TO_STR_NO_SPECIALIZE_LD``: Use the same mode for double and long double in printf. - ``LIBC_CONF_PRINTF_FLOAT_TO_STR_USE_DYADIC_FLOAT``: Use dyadic float for faster and smaller but less accurate printf doubles. diff --git a/libc/docs/dev/printf_behavior.rst b/libc/docs/dev/printf_behavior.rst index 01ab128..ba0578a 100644 --- a/libc/docs/dev/printf_behavior.rst +++ b/libc/docs/dev/printf_behavior.rst @@ -71,6 +71,13 @@ conversions (%r, %k); any fixed point number conversion will be treated as invalid. This reduces code size. This has no effect if the current compiler does not support fixed point numbers. +LIBC_COPT_PRINTF_DISABLE_WIDE +-------------------------------- +When set, this flag disables support for wide characters (%lc and %ls). Any +conversions will be ignored. This reduces code size. This will be set by default +on windows platforms as current printf implementation does not support UTF-16 wide +characters. + LIBC_COPT_PRINTF_NO_NULLPTR_CHECKS ---------------------------------- When set, this flag disables the nullptr checks in %n and %s. |
