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LZH
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LHASRC.EXE
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GETOPT.C
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C/C++ Source or Header
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1991-02-19
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2KB
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71 lines
/***********************************************************
getopt.c -- get options
***********************************************************/
#include <ctype.h>
#include <stddef.h>
#include <string.h>
#include "lh.h"
char flg_r, flg_p, flg_x, flg_m, flg_a, flg_c, flg_n, flg_t, flg_u,
flg_v, flg_w, flg_i, flg_h = 1, flg_o, flg_z, flg_l, flg_at;
/*******************************
get options
*******************************/
int getopt(char *p)
{
static char flg[] = "rpxmacntuvwihozl-";
static char *flgpos[] = {&flg_r, &flg_p, &flg_x, &flg_m, &flg_a,
&flg_c, &flg_n, &flg_t, &flg_u, &flg_v,
&flg_w, &flg_i, &flg_h, &flg_o, &flg_z,
&flg_l, &flg_at};
static char val[] = "0-1+2";
int i;
char s;
char *q;
while ((s = tolower(*p)) != 0) {
p++;
q = strchr(flg, s); /* search switch */
if (q) {
i = q - flg;
if (*p && (q = strchr(val, *p)) != NULL) {
*flgpos[i] = (q - val) / 2;
p++;
}
#if 0
else if (s == 'v' && *p) {
if (flg_v == 0) /* process of '/vSTRING' */
flg_v = 1;
pager = p;
p = "";
}
#endif
else if (s == 'z' && *p) {
flg_z = 2; /* process of '/zSTRING' */
regext(p);
p = "";
} else if (s == 'w' && *p) {
flg_w = 1; /* process of '/wSTRING' */
strcpy(workdir, p);
p = "";
} else {
/* flip-flop */
*flgpos[i] = !*flgpos[i];
}
}
#if 0
else if (s == 'k') {
keyword = p;
p = "";
}
#endif
else {
if (s == '?') usage();
return 1;
}
}
return 0;
}