FreeCalypso > hg > freecalypso-tools
annotate uptools/libcoding/utf8_decode2.c @ 396:519d914e08a2
CHANGES: fc-lcdemu move-out and rvinterf -X output inversion fix
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 15 Mar 2018 01:16:17 +0000 |
parents | 83c755829e31 |
children | 6bf473f77fc4 |
rev | line source |
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83c755829e31
uptools/libcoding: added function for turning UTF-8 into UCS-2
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
83c755829e31
uptools/libcoding: added function for turning UTF-8 into UCS-2
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2 * This library module implements the function for converting UTF-8 input |
83c755829e31
uptools/libcoding: added function for turning UTF-8 into UCS-2
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3 * to UCS-2 in outgoing SMS composition. |
83c755829e31
uptools/libcoding: added function for turning UTF-8 into UCS-2
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4 */ |
83c755829e31
uptools/libcoding: added function for turning UTF-8 into UCS-2
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5 |
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uptools/libcoding: added function for turning UTF-8 into UCS-2
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6 #include <sys/types.h> |
83c755829e31
uptools/libcoding: added function for turning UTF-8 into UCS-2
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7 |
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uptools/libcoding: added function for turning UTF-8 into UCS-2
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8 utf8_to_ucs2(inbuf, outbuf, outmax, outlenp) |
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9 u_char *inbuf; |
83c755829e31
uptools/libcoding: added function for turning UTF-8 into UCS-2
Mychaela Falconia <falcon@freecalypso.org>
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10 u_short *outbuf; |
83c755829e31
uptools/libcoding: added function for turning UTF-8 into UCS-2
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11 unsigned outmax, *outlenp; |
83c755829e31
uptools/libcoding: added function for turning UTF-8 into UCS-2
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12 { |
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13 u_char *ip = inbuf; |
83c755829e31
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14 u_short *op = outbuf; |
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15 unsigned outcnt = 0, c, n, uni; |
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16 |
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17 while (c = *ip++) { |
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18 if (c < 0x80) { |
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19 uni = c; |
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20 goto gotuni; |
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21 } |
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22 if (c < 0xC0 || c > 0xEF) |
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23 return(-1); |
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24 uni = c & 0x1F; |
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25 if (c >= 0xE0) |
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26 n = 2; |
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27 else |
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28 n = 1; |
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29 for (; n; n--) { |
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30 c = *ip++; |
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31 if (c < 0x80 || c > 0xBF) |
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32 return(-1); |
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33 uni <<= 6; |
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34 uni |= c & 0x3F; |
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35 } |
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36 gotuni: if (outcnt >= outmax) |
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37 return(-2); |
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38 *op++ = uni; |
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39 outcnt++; |
83c755829e31
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Mychaela Falconia <falcon@freecalypso.org>
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40 } |
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41 *outlenp = outcnt; |
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42 return(0); |
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43 } |