FreeCalypso > hg > fc-sim-tools
view libutil/gsm7_decode.c @ 22:f893cdde97a4
updated top-level README added
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 14 Mar 2021 08:20:20 +0000 |
parents | 34bbb0585cab |
children | c5e7c9e1d857 |
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/* * This module contains functions for decoding GSM7 strings * that exist in various SIM files. */ #include <sys/types.h> #include <stdio.h> static char gsm7_decode_table[128] = { '@', 0, '$', 0, 0, 0, 0, 0, 0, 0, '\n', 0, 0, '\r', 0, 0, 0, '_', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ' ', '!', '"', '#', 0, '%', '&', 0x27, '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', 0, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 0, 0, 0, 0, 0, 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 0, 0, 0, 0, 0 }; static char gsm7ext_decode_table[128] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '^', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '{', '}', 0, 0, 0, 0, 0, '\\', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '[', '~', ']', 0, '|', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; void print_gsm7_string_to_file(data, nbytes, outf) u_char *data; unsigned nbytes; FILE *outf; { u_char *dp, *endp; int b, c; dp = data; endp = data + nbytes; putc('"', outf); while (dp < endp) { b = *dp++; if (b == 0x1B) { if (dp >= endp || *dp == 0x1B || *dp == '\n' || *dp == '\r') { putc('\\', outf); putc('e', outf); continue; } b = *dp++; c = gsm7ext_decode_table[b]; if (!c) { fprintf(outf, "\\e\\%02X", b); continue; } } else { c = gsm7_decode_table[b]; if (!c) { fprintf(outf, "\\%02X", b); continue; } } if (c == '\n') { putc('\\', outf); putc('n', outf); continue; } if (c == '\r') { putc('\\', outf); putc('r', outf); continue; } if (c == '"' || c == '\\') putc('\\', outf); putc(c, outf); } putc('"', outf); }