FreeCalypso > hg > freecalypso-tools
view uptools/libcoding/gsm7_decode.c @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | 978571e23318 |
children | 1c599681fd60 |
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/* * This library module implements the decoding of GSM7-encoded data * into ASCII, ISO 8859-1 or UTF-8. */ #include <sys/types.h> extern u_short gsm7_decode_table[128]; extern u_short gsm7ext_decode_table[128]; gsm7_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 gsm, uni; inp = inbuf; endp = inbuf + inlen; outp = outbuf; while (inp < endp) { gsm = *inp++; if (gsm == 0x1B && inp < endp) uni = gsm7ext_decode_table[*inp++]; else uni = gsm7_decode_table[gsm]; if (uni == '\r') { *outp++ = '\\'; *outp++ = 'r'; errcnt++; } else if (uni == '\n') { if (newline_ok) *outp++ = '\n'; else { *outp++ = '\\'; *outp++ = 'n'; errcnt++; } } else if (!uni || !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; }