diff options
Diffstat (limited to 'iconv/gconv_simple.c')
| -rw-r--r-- | iconv/gconv_simple.c | 110 |
1 files changed, 59 insertions, 51 deletions
diff --git a/iconv/gconv_simple.c b/iconv/gconv_simple.c index f2fec12fb8..95b4a66daf 100644 --- a/iconv/gconv_simple.c +++ b/iconv/gconv_simple.c @@ -181,7 +181,7 @@ internal_ucs4_loop (const unsigned char **inptrp, const unsigned char *inend, #define LOOPFCT FROM_LOOP #define BODY \ { \ - if (*((uint32_t *) inptr) > '\x7f') \ + if (*((uint32_t *) inptr) > 0x7f) \ { \ /* This is no correct ANSI_X3.4-1968 character. */ \ result = GCONV_ILLEGAL_INPUT; \ @@ -208,6 +208,7 @@ internal_ucs4_loop (const unsigned char **inptrp, const unsigned char *inend, #define MIN_NEEDED_INPUT MIN_NEEDED_FROM #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO #define LOOPFCT FROM_LOOP #define BODY \ { \ @@ -266,6 +267,7 @@ internal_ucs4_loop (const unsigned char **inptrp, const unsigned char *inend, #define FUNCTION_NAME __gconv_transform_utf8_internal #define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT MAX_NEEDED_FROM #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO #define LOOPFCT FROM_LOOP #define BODY \ @@ -278,69 +280,75 @@ internal_ucs4_loop (const unsigned char **inptrp, const unsigned char *inend, ch = *inptr; \ \ if (ch < 0x80) \ - /* One byte sequence. */ \ - cnt = 1; \ - else if ((ch & 0xe0) == 0xc0) \ { \ - cnt = 2; \ - ch &= 0x1f; \ - } \ - else if ((ch & 0xf0) == 0xe0) \ - { \ - /* We expect three bytes. */ \ - cnt = 3; \ - ch &= 0x0f; \ - } \ - else if ((ch & 0xf8) == 0xf0) \ - { \ - /* We expect four bytes. */ \ - cnt = 4; \ - ch &= 0x07; \ - } \ - else if ((ch & 0xfc) == 0xf8) \ - { \ - /* We expect five bytes. */ \ - cnt = 5; \ - ch &= 0x03; \ - } \ - else if ((ch & 0xfe) == 0xfc) \ - { \ - /* We expect six bytes. */ \ - cnt = 6; \ - ch &= 0x01; \ + /* One byte sequence. */ \ + cnt = 1; \ + ++inptr; \ } \ else \ { \ - /* This is an illegal encoding. */ \ - result = GCONV_ILLEGAL_INPUT; \ - break; \ - } \ - \ - if (NEED_LENGTH_TEST && inptr + cnt >= inend) \ - { \ - /* We don't have enough input. */ \ - result = GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - \ - /* Read the possible remaining bytes. */ \ - for (i = 1; i < cnt; ++i) \ - { \ - uint32_t byte = inptr[i]; \ - \ - if ((byte & 0xc0) != 0x80) \ + if ((ch & 0xe0) == 0xc0) \ + { \ + cnt = 2; \ + ch &= 0x1f; \ + } \ + else if ((ch & 0xf0) == 0xe0) \ + { \ + /* We expect three bytes. */ \ + cnt = 3; \ + ch &= 0x0f; \ + } \ + else if ((ch & 0xf8) == 0xf0) \ + { \ + /* We expect four bytes. */ \ + cnt = 4; \ + ch &= 0x07; \ + } \ + else if ((ch & 0xfc) == 0xf8) \ + { \ + /* We expect five bytes. */ \ + cnt = 5; \ + ch &= 0x03; \ + } \ + else if ((ch & 0xfe) == 0xfc) \ + { \ + /* We expect six bytes. */ \ + cnt = 6; \ + ch &= 0x01; \ + } \ + else \ { \ /* This is an illegal encoding. */ \ result = GCONV_ILLEGAL_INPUT; \ break; \ } \ \ - ch <<= 6; \ - ch |= byte & 0x3f; \ + if (NEED_LENGTH_TEST && inptr + cnt > inend) \ + { \ + /* We don't have enough input. */ \ + result = GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + /* Read the possible remaining bytes. */ \ + for (i = 1; i < cnt; ++i) \ + { \ + uint32_t byte = inptr[i]; \ + \ + if ((byte & 0xc0) != 0x80) \ + { \ + /* This is an illegal encoding. */ \ + result = GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + ch <<= 6; \ + ch |= byte & 0x3f; \ + } \ + inptr += cnt; \ } \ \ /* Now adjust the pointers and store the result. */ \ - inptr += cnt; \ *((uint32_t *) outptr)++ = ch; \ } #include <iconv/loop.c> |