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Add _main_readw

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This commit is contained in:
Steve Dee 2014-01-17 10:07:28 -08:00
parent c147c4a901
commit fc51f17322
1 changed files with 20 additions and 14 deletions
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34
v/main.c
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@ -37,6 +37,20 @@
0
};
/* _main_readw(): parse a word from a string.
*/
static u2_bean
_main_readw(const c3_c* str_c, c3_w max_w, c3_w* out_w)
{
c3_w par_w = atol(str_c);
if ( par_w > 0 && par_w < max_w ) {
*out_w = par_w;
return u2_yes;
}
else return u2_no;
}
/* _main_getopt(): extract option map from command line.
*/
static u2_bean
@ -55,8 +69,6 @@ _main_getopt(c3_i argc, c3_c** argv)
u2_Host.ops_u.nuu = u2_no;
u2_Host.ops_u.vno = u2_no;
u2_Host.ops_u.kno_w = DefaultKernel;
u2_Host.ops_u.fuz_w = 0;
u2_Host.ops_u.por_s = 0;
while ( (ch_i = getopt(argc, argv, "I:f:h:k:n:p:Labcdgqv")) != -1 ) {
switch ( ch_i ) {
@ -65,12 +77,9 @@ _main_getopt(c3_i argc, c3_c** argv)
break;
}
case 'f': {
c3_w arg_w = atoi(optarg);
if ( (arg_w > 0) && (arg_w < 100) ) {
u2_Host.ops_u.fuz_w = arg_w;
if ( u2_no == _main_readw(optarg, 100, &u2_Host.ops_u.fuz_w) ) {
return u2_no;
}
else return u2_no;
break;
}
case 'h': {
@ -78,12 +87,9 @@ _main_getopt(c3_i argc, c3_c** argv)
break;
}
case 'k': {
c3_w arg_w = atoi(optarg);
if ( (arg_w > 0) && (arg_w < 256) ) {
u2_Host.ops_u.kno_w = arg_w;
if ( u2_no == _main_readw(optarg, 256, &u2_Host.ops_u.kno_w) ) {
return u2_no;
}
else return u2_no;
break;
}
case 'n': {
@ -91,9 +97,9 @@ _main_getopt(c3_i argc, c3_c** argv)
break;
}
case 'p': {
c3_w arg_w = atoi(optarg);
c3_w arg_w;
if ( (arg_w > 0) && (arg_w < 65536) ) {
if ( u2_yes == _main_readw(optarg, 65536, &arg_w) ) {
u2_Host.ops_u.por_s = arg_w;
}
else return u2_no;