compose decode_utf8_char get_length_mbs_utf8 get_length_mbs_utf8_compose get_length_wcs_utf8 get_surrogate_value utf8_length utf8_mask utf8_mbstowcs_compose utf8_minval wine_utf8_mbstowcs wine_utf8_wcstombs

static int utf8_mbstowcs_compose ( int  flags, const char *  src, int  srclen, WCHAR *  dst, int  dstlen  ) [static] Definition at line 229 of file utf8.c. Referenced by wine_utf8_mbstowcs(). { unsigned int res; const char *srcend = src + srclen; WCHAR composed[2]; WCHAR *dstend = dst + dstlen; if (!dstlen) return get_length_mbs_utf8_compose( flags, src, srclen ); composed[0] = 0; while (src < srcend) { unsigned char ch = *src++; if (ch < 0x80) /* special fast case for 7-bit ASCII */ { if (dst >= dstend) return -1; /* overflow */ *dst++ = composed[0] = ch; continue; } if ((res = decode_utf8_char( ch, &src, srcend )) <= 0xffff) { if (composed[0]) { composed[1] = res; if ((composed[0] = compose( composed ))) { dst[-1] = composed[0]; continue; } } if (dst >= dstend) return -1; /* overflow */ *dst++ = composed[0] = res; } else if (res <= 0x10ffff) /* we need surrogates */ { if (dst >= dstend - 1) return -1; /* overflow */ res -= 0x10000; *dst++ = 0xd800 | (res >> 10); *dst++ = 0xdc00 | (res & 0x3ff); composed[0] = 0; /* no composition for surrogates */ } else if (flags & MB_ERR_INVALID_CHARS) return -2; /* bad char */ /* otherwise ignore it */ } return dstlen - (dstend - dst); }