blob: efa8e9f8bb88ff23e6ad38133b938ce132ea7484 [file] [log] [blame]
#include "defs.h"
static int
decode_readlink(struct tcb *tcp, int offset)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[offset]);
tprints(", ");
} else {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[offset + 1]);
else
/* Used to use printpathn(), but readlink
* neither includes NUL in the returned count,
* nor actually writes it into memory.
* printpathn() would decide on printing
* "..." continuation based on garbage
* past return buffer's end.
*/
printstr(tcp, tcp->u_arg[offset + 1], tcp->u_rval);
tprintf(", %lu", tcp->u_arg[offset + 2]);
}
return 0;
}
int
sys_readlink(struct tcb *tcp)
{
return decode_readlink(tcp, 0);
}
int
sys_readlinkat(struct tcb *tcp)
{
if (entering(tcp))
print_dirfd(tcp, tcp->u_arg[0]);
return decode_readlink(tcp, 1);
}