diff options
Diffstat (limited to 'iconv/gconv_simple.c')
| -rw-r--r-- | iconv/gconv_simple.c | 244 |
1 files changed, 183 insertions, 61 deletions
diff --git a/iconv/gconv_simple.c b/iconv/gconv_simple.c index 4010a6b..7189ad3 100644 --- a/iconv/gconv_simple.c +++ b/iconv/gconv_simple.c @@ -64,7 +64,7 @@ static const unsigned char encoding_byte[] = static inline int internal_ucs4_loop (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, size_t *converted) { const unsigned char *inptr = *inptrp; unsigned char *outptr = *outptrp; @@ -104,7 +104,8 @@ static inline int internal_ucs4_loop_unaligned (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, + size_t *converted) { const unsigned char *inptr = *inptrp; unsigned char *outptr = *outptrp; @@ -150,7 +151,8 @@ static inline int internal_ucs4_loop_single (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, + size_t *converted) { size_t cnt = state->__count & 7; @@ -171,6 +173,8 @@ internal_ucs4_loop_single (const unsigned char **inptrp, (*outptrp)[1] = state->__value.__wchb[2]; (*outptrp)[2] = state->__value.__wchb[1]; (*outptrp)[3] = state->__value.__wchb[0]; + + *outptrp += 4; #elif __BYTE_ORDER == __BIG_ENDIAN /* XXX unaligned */ *(*((uint32_t **) outptrp)++) = state->__value.__wch; @@ -202,7 +206,7 @@ internal_ucs4_loop_single (const unsigned char **inptrp, static inline int ucs4_internal_loop (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, size_t *converted) { const unsigned char *inptr = *inptrp; unsigned char *outptr = *outptrp; @@ -222,6 +226,13 @@ ucs4_internal_loop (const unsigned char **inptrp, const unsigned char *inend, if (inval > 0x7fffffff) { + if (flags & __GCONV_IGNORE_ERRORS) + { + /* Just ignore this character. */ + ++*converted; + continue; + } + *inptrp = inptr; *outptrp = outptr; return __GCONV_ILLEGAL_INPUT; @@ -249,7 +260,8 @@ static inline int ucs4_internal_loop_unaligned (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, + size_t *converted) { const unsigned char *inptr = *inptrp; unsigned char *outptr = *outptrp; @@ -262,6 +274,13 @@ ucs4_internal_loop_unaligned (const unsigned char **inptrp, if (inptr[0] > 0x80) { /* The value is too large. */ + if (flags & __GCONV_IGNORE_ERRORS) + { + /* Just ignore this character. */ + ++*converted; + continue; + } + *inptrp = inptr; *outptrp = outptr; return __GCONV_ILLEGAL_INPUT; @@ -312,7 +331,8 @@ static inline int ucs4_internal_loop_single (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, + size_t *converted) { size_t cnt = state->__count & 7; @@ -329,21 +349,28 @@ ucs4_internal_loop_single (const unsigned char **inptrp, } if (((unsigned char *) state->__value.__wchb)[0] > 0x80) - /* The value is too large. */ - return __GCONV_ILLEGAL_INPUT; - + { + /* The value is too large. */ + if (!(flags & __GCONV_IGNORE_ERRORS)) + return __GCONV_ILLEGAL_INPUT; + } + else + { #if __BYTE_ORDER == __LITTLE_ENDIAN - (*outptrp)[0] = state->__value.__wchb[3]; - (*outptrp)[1] = state->__value.__wchb[2]; - (*outptrp)[2] = state->__value.__wchb[1]; - (*outptrp)[3] = state->__value.__wchb[0]; + (*outptrp)[0] = state->__value.__wchb[3]; + (*outptrp)[1] = state->__value.__wchb[2]; + (*outptrp)[2] = state->__value.__wchb[1]; + (*outptrp)[3] = state->__value.__wchb[0]; #elif __BYTE_ORDER == __BIG_ENDIAN - (*outptrp)[0] = state->__value.__wchb[0]; - (*outptrp)[1] = state->__value.__wchb[1]; - (*outptrp)[2] = state->__value.__wchb[2]; - (*outptrp)[3] = state->__value.__wchb[3]; + (*outptrp)[0] = state->__value.__wchb[0]; + (*outptrp)[1] = state->__value.__wchb[1]; + (*outptrp)[2] = state->__value.__wchb[2]; + (*outptrp)[3] = state->__value.__wchb[3]; #endif + *outptrp += 4; + } + /* Clear the state buffer. */ state->__count &= ~7; @@ -367,7 +394,8 @@ ucs4_internal_loop_single (const unsigned char **inptrp, static inline int internal_ucs4le_loop (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, + size_t *converted) { const unsigned char *inptr = *inptrp; unsigned char *outptr = *outptrp; @@ -407,7 +435,7 @@ static inline int internal_ucs4le_loop_unaligned (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, + mbstate_t *state, int flags, void *data, size_t *converted) { const unsigned char *inptr = *inptrp; @@ -454,7 +482,8 @@ static inline int internal_ucs4le_loop_single (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, + size_t *converted) { size_t cnt = state->__count & 7; @@ -475,6 +504,8 @@ internal_ucs4le_loop_single (const unsigned char **inptrp, (*outptrp)[1] = state->__value.__wchb[2]; (*outptrp)[2] = state->__value.__wchb[1]; (*outptrp)[3] = state->__value.__wchb[0]; + + *outptrp += 4; #else /* XXX unaligned */ *(*((uint32_t **) outptrp)++) = state->__value.__wch; @@ -503,7 +534,8 @@ internal_ucs4le_loop_single (const unsigned char **inptrp, static inline int ucs4le_internal_loop (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, + size_t *converted) { const unsigned char *inptr = *inptrp; unsigned char *outptr = *outptrp; @@ -522,7 +554,16 @@ ucs4le_internal_loop (const unsigned char **inptrp, const unsigned char *inend, #endif if (inval > 0x7fffffff) - return __GCONV_ILLEGAL_INPUT; + { + if (flags & __GCONV_IGNORE_ERRORS) + { + /* Just ignore this character. */ + ++*converted; + continue; + } + + return __GCONV_ILLEGAL_INPUT; + } *((uint32_t *) outptr)++ = bswap_32 (*(uint32_t *) inptr); } @@ -546,7 +587,7 @@ static inline int ucs4le_internal_loop_unaligned (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, + mbstate_t *state, int flags, void *data, size_t *converted) { const unsigned char *inptr = *inptrp; @@ -560,12 +601,18 @@ ucs4le_internal_loop_unaligned (const unsigned char **inptrp, if (inptr[3] > 0x80) { /* The value is too large. */ + if (flags & __GCONV_IGNORE_ERRORS) + { + /* Just ignore this character. */ + ++*converted; + continue; + } + *inptrp = inptr; *outptrp = outptr; return __GCONV_ILLEGAL_INPUT; } - # if __BYTE_ORDER == __BIG_ENDIAN outptr[3] = inptr[0]; outptr[2] = inptr[1]; @@ -577,6 +624,8 @@ ucs4le_internal_loop_unaligned (const unsigned char **inptrp, outptr[2] = inptr[2]; outptr[3] = inptr[3]; # endif + + outptr += 4; } *inptrp = inptr; @@ -599,7 +648,8 @@ static inline int ucs4le_internal_loop_single (const unsigned char **inptrp, const unsigned char *inend, unsigned char **outptrp, unsigned char *outend, - mbstate_t *state, void *data, size_t *converted) + mbstate_t *state, int flags, void *data, + size_t *converted) { size_t cnt = state->__count & 7; @@ -616,21 +666,28 @@ ucs4le_internal_loop_single (const unsigned char **inptrp, } if (((unsigned char *) state->__value.__wchb)[3] > 0x80) - /* The value is too large. */ - return __GCONV_ILLEGAL_INPUT; - + { + /* The value is too large. */ + if (!(flags & __GCONV_IGNORE_ERRORS)) + return __GCONV_ILLEGAL_INPUT; + } + else + { #if __BYTE_ORDER == __BIG_ENDIAN - (*outptrp)[0] = state->__value.__wchb[3]; - (*outptrp)[1] = state->__value.__wchb[2]; - (*outptrp)[2] = state->__value.__wchb[1]; - (*outptrp)[3] = state->__value.__wchb[0]; + (*outptrp)[0] = state->__value.__wchb[3]; + (*outptrp)[1] = state->__value.__wchb[2]; + (*outptrp)[2] = state->__value.__wchb[1]; + (*outptrp)[3] = state->__value.__wchb[0]; #elif __BYTE_ORDER == __BIG_ENDIAN - (*outptrp)[0] = state->__value.__wchb[0]; - (*outptrp)[1] = state->__value.__wchb[1]; - (*outptrp)[2] = state->__value.__wchb[2]; - (*outptrp)[3] = state->__value.__wchb[3]; + (*outptrp)[0] = state->__value.__wchb[0]; + (*outptrp)[1] = state->__value.__wchb[1]; + (*outptrp)[2] = state->__value.__wchb[2]; + (*outptrp)[3] = state->__value.__wchb[3]; #endif + *outptrp += 4; + } + /* Clear the state buffer. */ state->__count &= ~7; @@ -658,14 +715,20 @@ ucs4le_internal_loop_single (const unsigned char **inptrp, { \ if (*inptr > '\x7f') \ { \ - /* This is no correct ANSI_X3.4-1968 character. */ \ - result = __GCONV_ILLEGAL_INPUT; \ - break; \ - } \ + if (! ignore_errors_p ()) \ + { \ + /* This is no correct ANSI_X3.4-1968 character. */ \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ \ - /* It's an one byte sequence. */ \ - /* XXX unaligned. */ \ - *((uint32_t *) outptr)++ = *inptr++; \ + ++*converted; \ + ++inptr; \ + } \ + else \ + /* It's an one byte sequence. */ \ + /* XXX unaligned. */ \ + *((uint32_t *) outptr)++ = *inptr++; \ } #include <iconv/loop.c> #include <iconv/skeleton.c> @@ -689,13 +752,20 @@ ucs4le_internal_loop_single (const unsigned char **inptrp, { \ if (*((uint32_t *) inptr) > 0x7f) \ { \ - /* This is no correct ANSI_X3.4-1968 character. */ \ - result = __GCONV_ILLEGAL_INPUT; \ - break; \ - } \ + if (! ignore_errors_p ()) \ + { \ + /* This is no correct ANSI_X3.4-1968 character. */ \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ \ - /* It's an one byte sequence. */ \ - *outptr++ = *((uint32_t *) inptr)++; \ + ++*converted; \ + inptr += 4; \ + } \ + else \ + /* It's an one byte sequence. */ \ + /* XXX unaligned. */ \ + *outptr++ = *((uint32_t *) inptr)++; \ } #include <iconv/loop.c> #include <iconv/skeleton.c> @@ -829,9 +899,26 @@ ucs4le_internal_loop_single (const unsigned char **inptrp, } \ else \ { \ - /* This is an illegal encoding. */ \ - result = __GCONV_ILLEGAL_INPUT; \ - break; \ + int skipped; \ + \ + if (! ignore_errors_p ()) \ + { \ + /* This is an illegal encoding. */ \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + /* Search the end of this ill-formed UTF-8 character. This \ + is the next byte with (x & 0xc0) != 0x80. */ \ + skipped = 0; \ + do \ + { \ + ++inptr; \ + ++skipped; \ + } \ + while (inptr < inend && (*inptr & 0xc0) == 0x80 && skipped < 5); \ + \ + continue; \ } \ \ if (NEED_LENGTH_TEST && inptr + cnt > inend) \ @@ -841,8 +928,23 @@ ucs4le_internal_loop_single (const unsigned char **inptrp, for (i = 1; inptr + i < inend; ++i) \ if ((inptr[i] & 0xc0) != 0x80) \ break; \ - result = (inptr + i == inend \ - ? __GCONV_INCOMPLETE_INPUT : __GCONV_ILLEGAL_INPUT); \ + \ + if (inptr + i == inend) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + /* This is an illegal character. */ \ + if (ignore_errors_p ()) \ + { \ + /* Ignore it. */ \ + inptr += i; \ + ++*converted; \ + continue; \ + } \ + \ + result = __GCONV_ILLEGAL_INPUT; \ break; \ } \ \ @@ -858,13 +960,20 @@ ucs4le_internal_loop_single (const unsigned char **inptrp, ch <<= 6; \ ch |= byte & 0x3f; \ } \ - \ + \ /* If i < cnt, some trail byte was not >= 0x80, < 0xc0. \ If cnt > 2 and ch < 2^(5*cnt-4), the wide character ch could \ have been represented with fewer than cnt bytes. */ \ - if (i < cnt || (cnt > 2 && (ch >> (5 * cnt - 4)) == 0)) \ + if (i < cnt || (cnt > 2 && (ch >> (5 * cnt - 4)) == 0)) \ { \ /* This is an illegal encoding. */ \ + if (ignore_errors_p ()) \ + { \ + inptr += i; \ + ++*converted; \ + continue; \ + } \ + \ result = __GCONV_ILLEGAL_INPUT; \ break; \ } \ @@ -1021,10 +1130,17 @@ ucs4le_internal_loop_single (const unsigned char **inptrp, { \ if (*((uint32_t *) inptr) >= 0x10000) \ { \ - result = __GCONV_ILLEGAL_INPUT; \ - break; \ + if (! ignore_errors_p ()) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + inptr += 4; \ + ++*converted; \ } \ - *((uint16_t *) outptr)++ = *((uint32_t *) inptr)++; \ + else \ + *((uint16_t *) outptr)++ = *((uint32_t *) inptr)++; \ } #include <iconv/loop.c> #include <iconv/skeleton.c> @@ -1070,8 +1186,14 @@ ucs4le_internal_loop_single (const unsigned char **inptrp, uint32_t val = *((uint32_t *) inptr); \ if (val >= 0x10000) \ { \ - result = __GCONV_ILLEGAL_INPUT; \ - break; \ + if (! ignore_errors_p ()) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + inptr += 4; \ + ++*converted; \ } \ *((uint16_t *) outptr)++ = bswap_16 (val); \ inptr += 4; \ |