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| author | Peter Collingbourne <peter@pcc.me.uk> | 2026-01-29 14:39:34 -0800 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2026-01-29 14:39:34 -0800 |
| commit | 7b3f189a1369f9348c007730ddea953b1e68acb1 (patch) | |
| tree | 7db8969ee8a34a10b6c8ae033c939c9d653376f6 /libc/docs | |
| parent | f3d6dae13ae710323a2ddbaf87af71b1abcbfada (diff) | |
| parent | 0893b70ecfc4f4aca0a20a078476d191edc1e623 (diff) | |
| download | llvm-users/pcc/spr/codegen-introduce-machinefunctiongetpreferredalignment.zip llvm-users/pcc/spr/codegen-introduce-machinefunctiongetpreferredalignment.tar.gz llvm-users/pcc/spr/codegen-introduce-machinefunctiongetpreferredalignment.tar.bz2 | |
Created using spr 1.3.6-beta.1
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. |