FreeCalypso > hg > freecalypso-tools
changeset 331:110fffa1f001
uptools/libcoding: digit decoding implemented
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sat, 03 Feb 2018 22:41:20 +0000 |
| parents | d29b45c4c8db |
| children | ea41b6001848 |
| files | uptools/libcoding/Makefile uptools/libcoding/number_decode.c |
| diffstat | 2 files changed, 29 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/uptools/libcoding/Makefile Sat Feb 03 22:21:15 2018 +0000 +++ b/uptools/libcoding/Makefile Sat Feb 03 22:41:20 2018 +0000 @@ -1,7 +1,7 @@ CC= gcc CFLAGS= -O2 OBJS= decode_helpers.o gsm7_decode.o gsm7_decode_tables.o gsm7_unpack.o \ - hexdecode.o ucs2_decode.o + hexdecode.o number_decode.o ucs2_decode.o LIB= libcoding.a all: ${LIB}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uptools/libcoding/number_decode.c Sat Feb 03 22:41:20 2018 +0000 @@ -0,0 +1,28 @@ +/* + * 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++; + } +}