diff options
Diffstat (limited to 'iconv/skeleton.c')
| -rw-r--r-- | iconv/skeleton.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/iconv/skeleton.c b/iconv/skeleton.c index edcd92eb87..579426c7e5 100644 --- a/iconv/skeleton.c +++ b/iconv/skeleton.c @@ -101,6 +101,26 @@ EXTRA_LOOP_ARGS optional macro specifying extra arguments passed to loop function. + STORE_REST optional, needed only when MAX_NEEDED_FROM > 4. + This macro stores the seen but unconverted input bytes + in the state. + + FROM_ONEBYTE optional. If defined, should be the name of a + specialized conversion function for a single byte + from the current character set to INTERNAL. This + function has prototype + wint_t + FROM_ONEBYTE (struct __gconv_step *, unsigned char); + and does a special conversion: + - The input is a single byte. + - The output is a single uint32_t. + - The state before the conversion is the initial state; + the state after the conversion is irrelevant. + - No transliteration. + - __invocation_counter = 0. + - __internal_use = 1. + - do_flush = 0. + Modules can use mbstate_t to store conversion state as follows: * Bits 2..0 of '__count' contain the number of lookahead input bytes @@ -315,6 +335,10 @@ gconv_init (struct __gconv_step *step) step->__max_needed_from = FROM_LOOP_MAX_NEEDED_FROM; step->__min_needed_to = FROM_LOOP_MIN_NEEDED_TO; step->__max_needed_to = FROM_LOOP_MAX_NEEDED_TO; + +#ifdef FROM_ONEBYTE + step->__btowc_fct = FROM_ONEBYTE; +#endif } else if (__builtin_expect (strcmp (step->__to_name, CHARSET_NAME), 0) == 0) { @@ -796,10 +820,12 @@ FUNCTION_NAME (struct __gconv_step *step, struct __gconv_step_data *data, #undef EMIT_SHIFT_TO_INIT #undef FROM_LOOP #undef TO_LOOP +#undef ONE_DIRECTION #undef SAVE_RESET_STATE #undef RESET_INPUT_BUFFER #undef FUNCTION_NAME #undef PREPARE_LOOP #undef END_LOOP -#undef ONE_DIRECTION +#undef EXTRA_LOOP_ARGS #undef STORE_REST +#undef FROM_ONEBYTE |