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make journal entry argument processing saner

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the mega-if was unreadable and caused lots of churn.
This commit is contained in:
Oswald Buddenhagen 2022-02-08 15:19:19 +01:00
parent 608c724add
commit 91d19cceac
1 changed files with 35 additions and 13 deletions
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48
src/sync_state.c
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@ -279,18 +279,41 @@ load_state( sync_vars_t *svars )
}
buf[ll] = 0;
char c;
int tn;
int tn, bad;
uint t1, t2, t3, t4;
if ((c = buf[0]) == '#' ?
(tn = 0, (sscanf( buf + 2, "%u %u %n", &t1, &t2, &tn ) < 2) || !tn || (ll - (uint)tn != TUIDL + 2)) :
c == '!' ?
(sscanf( buf + 2, "%u", &t1 ) != 1) :
c == 'N' || c == 'F' || c == 'T' || c == '+' || c == '&' || c == '-' || c == '=' || c == '_' || c == '|' ?
(sscanf( buf + 2, "%u %u", &t1, &t2 ) != 2) :
c != '^' ?
(sscanf( buf + 2, "%u %u %u", &t1, &t2, &t3 ) != 3) :
(sscanf( buf + 2, "%u %u %u %u", &t1, &t2, &t3, &t4 ) != 4))
{
switch ((c = buf[0])) {
case '#':
tn = 0;
bad = (sscanf( buf + 2, "%u %u %n", &t1, &t2, &tn ) < 2) || !tn || (ll - (uint)tn != TUIDL + 2);
break;
case '!':
bad = sscanf( buf + 2, "%u", &t1 ) != 1;
break;
case 'N':
case 'F':
case 'T':
case '+':
case '&':
case '-':
case '=':
case '_':
case '|':
bad = sscanf( buf + 2, "%u %u", &t1, &t2 ) != 2;
break;
case '<':
case '>':
case '*':
case '~':
bad = sscanf( buf + 2, "%u %u %u", &t1, &t2, &t3 ) != 3;
break;
case '^':
bad = sscanf( buf + 2, "%u %u %u %u", &t1, &t2, &t3, &t4 ) != 4;
break;
default:
error( "Error: unrecognized journal entry at %s:%d\n", svars->jname, line );
goto jbail;
}
if (bad) {
error( "Error: malformed journal entry at %s:%d\n", svars->jname, line );
goto jbail;
}
@ -373,8 +396,7 @@ load_state( sync_vars_t *svars )
srec = upgrade_srec( svars, srec );
break;
default:
error( "Error: unrecognized journal entry at %s:%d\n", svars->jname, line );
goto jbail;
assert( !"Unhandled journal entry" );
}
}
}