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Viewing changes to daemon/libs/pjproject/third_party/gsm/tls/bitter.c

  • Committer: Jackson Doak
  • Date: 2013-07-10 21:04:46 UTC
  • mfrom: (20.1.3 sid)
  • Revision ID: noskcaj@ubuntu.com-20130710210446-y8f587vza807icr9
https://launchpad.net/bugs/1196978
Properly merged from upstream.

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daemon/libs/pjproject/third_party/gsm/tls/bitter.c
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/*
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 * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
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 * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
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 * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
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 */
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/*$Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/bitter.c,v 1.1 1992/10/28 00:28:39 jutta Exp $*/
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/* Generate code to pack a bit array from a name:#bits description */
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#include        <stdio.h>
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#include        "taste.h"
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#include        "proto.h"
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void write_code P2((s_spex, n_spex), struct spex * s_spex, int n_spex)
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{
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        struct spex     * sp = s_spex;
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        int             bits = 8;
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        int             vars;
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        if (!n_spex) return;
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        vars = sp->varsize;
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        while (n_spex) {
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                if (bits == 8) printf("\t*c++ =   ");
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                else printf("\t       | ");
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                if (vars == bits) {
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                        printf( (bits==8? "%s & 0x%lX;\n" : "(%s & 0x%lX);\n"),
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                                sp->var, 
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                                ~(0xfffffffe << (bits - 1)));
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                        if (!-- n_spex) break;
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                        sp++;
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                        vars = sp->varsize;
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                        bits = 8;
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                } else if (vars < bits) {
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                        printf( "((%s & 0x%lX) << %d)",
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                                sp->var,
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                                ~(0xfffffffe << (vars - 1)),
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                                bits - vars);
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                        bits -= vars;
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                        if (!--n_spex) {
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                                puts(";");
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                                break;
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                        }
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                        else putchar('\n');
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                        sp++;
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                        vars = sp->varsize;
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                } else {
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                        printf("((%s >> %d) & 0x%X);\n",
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                                sp->var, 
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                                vars - bits,
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                                ~(0xfffffffe << (bits - 1)));
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                        vars -= bits;
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                        bits = 8;
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                }
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        }
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}