FreeCalypso > hg > freecalypso-tools
view uptools/libcoding/ucs2_decode.c @ 328:978571e23318
uptools started with libcoding
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 03 Feb 2018 20:07:05 +0000 |
parents | |
children | 1c599681fd60 |
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/* * This library module implements the conversion of UCS2-encoded data * (typically received in SMS) into ASCII, ISO 8859-1 or UTF-8, * maintaining parallelism with the corresponding function for decoding * GSM7-encoded data. */ #include <sys/types.h> ucs2_to_ascii_or_ext(inbuf, inlen, outbuf, outlenp, ascii_ext, newline_ok, errp) u_char *inbuf, *outbuf; unsigned inlen, *outlenp, *errp; { u_char *inp, *endp, *outp; unsigned errcnt = 0; unsigned uni; inp = inbuf; endp = inbuf + (inlen & ~1); outp = outbuf; while (inp < endp) { uni = (inp[0] << 8) | inp[1]; inp += 2; if (uni == '\r') { *outp++ = '\\'; *outp++ = 'r'; errcnt++; } else if (uni == '\n') { if (newline_ok) *outp++ = '\n'; else { *outp++ = '\\'; *outp++ = 'n'; errcnt++; } } else if (!is_decoded_char_ok(uni, ascii_ext)) { *outp++ = '?'; errcnt++; } else if (ascii_ext == 2) outp += emit_utf8_char(uni, outp); else *outp++ = uni; } *outp = '\0'; if (outlenp) *outlenp = outp - outbuf; if (errp) *errp = errcnt; }