cc65/libsrc/rp6502/write.c

21 lines
462 B
C

#include <rp6502.h>
#include <unistd.h>
int __fastcall__ write (int fildes, const void* buf, unsigned count)
{
int ax, total = 0;
while (count) {
int blockcount = (count > 256) ? 256 : count;
ax = write_xstack (&((char*)buf)[total], blockcount, fildes);
if (ax < 0) {
return ax;
}
total += ax;
count -= ax;
if (ax < blockcount) {
break;
}
}
return total;
}