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Make better UTF compliant.

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* grub-core/normal/charset.c (grub_utf8_to_utf16): Handle 6- and 7-byte
	sequences as incorrect.
	(grub_is_valid_utf8): Likewise.
	(grub_utf8_to_ucs4): Likewise.
	(grub_ucs4_to_utf8): Handle codepoints outside of BMP.
	(grub_ucs4_to_utf8_alloc): Likewise.
	* include/grub/charset.h (grub_utf16_to_utf8): Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-11-17 16:13:16 +01:00
parent f18088844f
commit 1afcc914c5
3 changed files with 33 additions and 33 deletions
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9
include/grub/charset.h
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@ -97,12 +97,19 @@ grub_utf16_to_utf8 (grub_uint8_t *dest, grub_uint16_t *src,
/* Error... */
*dest++ = '?';
}
else
else if (code < 0x10000)
{
*dest++ = (code >> 12) | 0xE0;
*dest++ = ((code >> 6) & 0x3F) | 0x80;
*dest++ = (code & 0x3F) | 0x80;
}
else
{
*dest++ = (code >> 18) | 0xF0;
*dest++ = ((code >> 12) & 0x3F) | 0x80;
*dest++ = ((code >> 6) & 0x3F) | 0x80;
*dest++ = (code & 0x3F) | 0x80;
}
}
}