diff options
Diffstat (limited to 'iconv/gconv_simple.c')
| -rw-r--r-- | iconv/gconv_simple.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/iconv/gconv_simple.c b/iconv/gconv_simple.c index 95b4a66daf..c491c97ccd 100644 --- a/iconv/gconv_simple.c +++ b/iconv/gconv_simple.c @@ -418,3 +418,68 @@ internal_ucs4_loop (const unsigned char **inptrp, const unsigned char *inend, #endif #include <iconv/loop.c> #include <iconv/skeleton.c> + + +/* Convert from UCS2 in little endian to the internal (UCS4-like) format. */ +#define DEFINE_INIT 0 +#define DEFINE_FINI 0 +#define MIN_NEEDED_FROM 2 +#define MIN_NEEDED_TO 4 +#define FROM_DIRECTION 1 +#define FROM_LOOP ucs2little_internal_loop +#define TO_LOOP ucs2little_internal_loop /* This is not used.*/ +#define FUNCTION_NAME __gconv_transform_ucs2little_internal + +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define LOOPFCT FROM_LOOP +#if __BYTE_ORDER == __LITTLE_ENDIAN +# define BODY \ + *((uint32_t *) outptr)++ = *((uint16_t *) inptr)++; +#else +# define BODY \ + *((uint32_t *) outptr)++ = bswap_16 (*((uint16_t *) inptr)++); +#endif +#include <iconv/loop.c> +#include <iconv/skeleton.c> + + +/* Convert from the internal (UCS4-like) format to UCS2 in little endian. */ +#define DEFINE_INIT 0 +#define DEFINE_FINI 0 +#define MIN_NEEDED_FROM 4 +#define MIN_NEEDED_TO 2 +#define FROM_DIRECTION 1 +#define FROM_LOOP internal_ucs2little_loop +#define TO_LOOP internal_ucs2little_loop /* This is not used.*/ +#define FUNCTION_NAME __gconv_transform_internal_ucs2little + +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define LOOPFCT FROM_LOOP +#if __BYTE_ORDER == __LITTLE_ENDIAN +# define BODY \ + { \ + if (*((uint32_t *) inptr) >= 0x10000) \ + { \ + result = GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + *((uint16_t *) outptr)++ = *((uint32_t *) inptr)++; \ + } +#else +# define BODY \ + { \ + if (*((uint32_t *) inptr) >= 0x10000) \ + { \ + result = GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + /* Please note that we use the `uint32_t' from-pointer as an `uint16_t' \ + pointer which works since we are on a little endian machine. */ \ + *((uint16_t *) outptr)++ = bswap_16 (*((uint16_t *) inptr)); \ + inptr += 4; \ + } +#endif +#include <iconv/loop.c> +#include <iconv/skeleton.c> |