FreeCalypso > hg > freecalypso-tools
view uptools/libcoding/number_decode.c @ 911:7077d02ed3b1
doc/Host-tools-overview: document fc-efr2tch
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 29 Dec 2022 21:15:36 +0000 |
parents | ea41b6001848 |
children |
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/* * This library module implements the decoding of number (address) digits. */ #include <sys/types.h> char gsm_address_digits[16] = {'0','1','2','3','4','5','6','7','8','9','*','#','a','b','c','?'}; decode_address_digits(inbuf, outbuf, ndigits) u_char *inbuf; char *outbuf; unsigned ndigits; { u_char *inp = inbuf; char *outp = outbuf; unsigned n = 0, b; while (n < ndigits) { b = *inp++; *outp++ = gsm_address_digits[b & 0xF]; n++; if (n >= ndigits) break; *outp++ = gsm_address_digits[b >> 4]; n++; } *outp = '\0'; }