From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- libX11/src/xlibi18n/lcUniConv/utf8.h | 110 +++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 libX11/src/xlibi18n/lcUniConv/utf8.h (limited to 'libX11/src/xlibi18n/lcUniConv/utf8.h') diff --git a/libX11/src/xlibi18n/lcUniConv/utf8.h b/libX11/src/xlibi18n/lcUniConv/utf8.h new file mode 100644 index 000000000..f8c2a7d8a --- /dev/null +++ b/libX11/src/xlibi18n/lcUniConv/utf8.h @@ -0,0 +1,110 @@ +/* $XFree86: xc/lib/X11/lcUniConv/utf8.h,v 1.2 2000/11/28 16:10:32 dawes Exp $ */ + +/* + * UTF-8 + */ + +/* Specification: RFC 2279 */ + +static int +utf8_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ + unsigned char c = s[0]; + + if (c < 0x80) { + *pwc = c; + return 1; + } else if (c < 0xc2) { + return RET_ILSEQ; + } else if (c < 0xe0) { + if (n < 2) + return RET_TOOFEW(0); + if (!((s[1] ^ 0x80) < 0x40)) + return RET_ILSEQ; + *pwc = ((ucs4_t) (c & 0x1f) << 6) + | (ucs4_t) (s[1] ^ 0x80); + return 2; + } else if (c < 0xf0) { + if (n < 3) + return RET_TOOFEW(0); + if (!((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 + && (c >= 0xe1 || s[1] >= 0xa0))) + return RET_ILSEQ; + *pwc = ((ucs4_t) (c & 0x0f) << 12) + | ((ucs4_t) (s[1] ^ 0x80) << 6) + | (ucs4_t) (s[2] ^ 0x80); + return 3; + } else if (c < 0xf8) { + if (n < 4) + return RET_TOOFEW(0); + if (!((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 + && (s[3] ^ 0x80) < 0x40 + && (c >= 0xf1 || s[1] >= 0x90))) + return RET_ILSEQ; + *pwc = ((ucs4_t) (c & 0x07) << 18) + | ((ucs4_t) (s[1] ^ 0x80) << 12) + | ((ucs4_t) (s[2] ^ 0x80) << 6) + | (ucs4_t) (s[3] ^ 0x80); + return 4; + } else if (c < 0xfc) { + if (n < 5) + return RET_TOOFEW(0); + if (!((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 + && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40 + && (c >= 0xf9 || s[1] >= 0x88))) + return RET_ILSEQ; + *pwc = ((ucs4_t) (c & 0x03) << 24) + | ((ucs4_t) (s[1] ^ 0x80) << 18) + | ((ucs4_t) (s[2] ^ 0x80) << 12) + | ((ucs4_t) (s[3] ^ 0x80) << 6) + | (ucs4_t) (s[4] ^ 0x80); + return 5; + } else if (c < 0xfe) { + if (n < 6) + return RET_TOOFEW(0); + if (!((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 + && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40 + && (s[5] ^ 0x80) < 0x40 + && (c >= 0xfd || s[1] >= 0x84))) + return RET_ILSEQ; + *pwc = ((ucs4_t) (c & 0x01) << 30) + | ((ucs4_t) (s[1] ^ 0x80) << 24) + | ((ucs4_t) (s[2] ^ 0x80) << 18) + | ((ucs4_t) (s[3] ^ 0x80) << 12) + | ((ucs4_t) (s[4] ^ 0x80) << 6) + | (ucs4_t) (s[5] ^ 0x80); + return 6; + } else + return RET_ILSEQ; +} + +static int +utf8_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) /* n == 0 is acceptable */ +{ + int count; + if (wc < 0x80) + count = 1; + else if (wc < 0x800) + count = 2; + else if (wc < 0x10000) + count = 3; + else if (wc < 0x200000) + count = 4; + else if (wc < 0x4000000) + count = 5; + else if (wc <= 0x7fffffff) + count = 6; + else + return RET_ILSEQ; + if (n < count) + return RET_TOOSMALL; + switch (count) { /* note: code falls through cases! */ + case 6: r[5] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0x4000000; + case 5: r[4] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0x200000; + case 4: r[3] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0x10000; + case 3: r[2] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0x800; + case 2: r[1] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0xc0; + case 1: r[0] = wc; + } + return count; +} -- cgit v1.2.3