src/user/klogs.nsc

include "syscalls.nsh";
 
/* dmesg-style: dumps the whole kernel log to stdout. no options, no
 * follow mode -- minimalized, matching the rest of this kernel's
 * coreutils. buf is sys_alloc'd, not a stack local -- see cat.nsc's
 * own note on why any buffer of real size moved off the stack. */
global i32
main(i32 argc, ptr argv)
{
	ptr buf;
	u64 n;
 
	buf = sys_alloc((u64)8192);
	if(buf == (ptr)0)
	{
		sys_write(2, "klogs: out of memory\n", (u64)21);
		return 1;
	}
	n = sys_klog_read(buf, (u64)8192);
	sys_write(1, buf, n);
	return 0;
}