117 lines
2.2 KiB
C
117 lines
2.2 KiB
C
#ifdef __ORCAC__
|
|
#pragma optimize 79
|
|
#pragma noroot
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "options.h"
|
|
|
|
extern void help(void);
|
|
extern void version(void);
|
|
/* global */
|
|
struct Options flags;
|
|
|
|
int GetOptions(int argc, char **argv,
|
|
struct Options *options)
|
|
{
|
|
int i, j;
|
|
int eof = 0;
|
|
int mindex = 1; /* mutation index */
|
|
|
|
for (i = 1; i < argc; ++i)
|
|
{
|
|
char *cp = argv[i];
|
|
char c = cp[0];
|
|
|
|
|
|
|
|
if (eof || c != '-')
|
|
{
|
|
if (mindex != i) argv[mindex] = argv[i];
|
|
++mindex;
|
|
continue;
|
|
}
|
|
|
|
// long opt check would go here...
|
|
if (cp[1] == '-' && cp[2] == 0)
|
|
{
|
|
eof = 1;
|
|
continue;
|
|
}
|
|
|
|
// special case for '-'
|
|
j = 0;
|
|
if (cp[1] != 0) j = 1;
|
|
|
|
for (; ; ++j)
|
|
{
|
|
char *optarg = 0;
|
|
|
|
c = cp[j];
|
|
if (!c) break;
|
|
switch(c)
|
|
{
|
|
case '0':
|
|
options->_0 = 1;
|
|
options->_1 = 0;
|
|
options->_9 = 0;
|
|
break;
|
|
case '1':
|
|
options->_1 = 1;
|
|
options->_0 = 0;
|
|
options->_9 = 0;
|
|
break;
|
|
case '9':
|
|
options->_9 = 1;
|
|
options->_0 = 0;
|
|
options->_1 = 0;
|
|
break;
|
|
case 'I':
|
|
options->_I = 1;
|
|
break;
|
|
case 'O':
|
|
options->_O = 1;
|
|
break;
|
|
case 'V':
|
|
version();
|
|
exit(0);
|
|
break;
|
|
case 'h':
|
|
help();
|
|
exit(0);
|
|
break;
|
|
case 'i':
|
|
options->_i = 1;
|
|
break;
|
|
case 'o':
|
|
++j;
|
|
if (cp[j]) {
|
|
optarg = cp + j;
|
|
} else {
|
|
++i;
|
|
if (i < argc) optarg = argv[i];
|
|
}
|
|
if (!optarg) {
|
|
fputs("-o requires an argument\n", stderr);
|
|
exit(1);
|
|
}
|
|
options->_o = optarg;
|
|
options->_O = 0;
|
|
break;
|
|
case 'v':
|
|
options->_v = 1;
|
|
break;
|
|
default:
|
|
fprintf(stderr, "-%c : invalid option\n", c);
|
|
exit(1);
|
|
break;
|
|
}
|
|
// could optimize out if no options have flags.
|
|
if (optarg) break;
|
|
}
|
|
}
|
|
return mindex;
|
|
}
|