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/*
* Simple test of dynamic loading from Icon.
* Just prints its arguments, then returns pi.
*/
#include "icall.h"
int argdump(int argc, descriptor *argv)
{
int i, j, w, c;
char *s, *t;
descriptor *d;
for (i = 1; i <= argc; i++) {
printf("%2d. [%c] ", i, IconType(argv[i]));
d = argv + i;
switch (IconType(*d)) {
case 'n':
printf("&null");
break;
case 'i':
printf("%ld", IntegerVal(*d));
break;
case 'r':
printf("%g", RealVal(*d));
break;
case 's':
printf("%s", StringVal(*d));
break;
case 'c':
s = (char *)d->vword;
s += 2 * sizeof(long); /* skip title & size */
t = s + 256 / 8;
c = 0;
while (s < t) {
w = *(int *)s;
for (j = 0; j < 8 * sizeof(int); j++) {
if (w & 1)
putchar(c);
c++;
w >>= 1;
}
s += sizeof(int);
}
break;
case 'f':
printf("fd=%d (", fileno(FileVal(*d)));
if (FileStat(*d) & Fs_Read) putchar('r');
if (FileStat(*d) & Fs_Write) putchar('w');
putchar(')');
break;
default:
printf("??");
break;
}
putchar('\n');
}
RetReal(3.1415926535);
}
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