granicus.if.org Git - strace/blob - link.c

   1 #include "defs.h"
   2
   3 #include <fcntl.h>
   4
   5 #ifndef AT_SYMLINK_NOFOLLOW
   6 # define AT_SYMLINK_NOFOLLOW    0x100
   7 #endif
   8 #ifndef AT_REMOVEDIR
   9 # define AT_REMOVEDIR           0x200
  10 #endif
  11 #ifndef AT_SYMLINK_FOLLOW
  12 # define AT_SYMLINK_FOLLOW      0x400
  13 #endif
  14 #ifndef AT_NO_AUTOMOUNT
  15 # define AT_NO_AUTOMOUNT        0x800
  16 #endif
  17 #ifndef AT_EMPTY_PATH
  18 # define AT_EMPTY_PATH          0x1000
  19 #endif
  20
  21 #include "xlat/at_flags.h"
  22
  23 int
  24 sys_link(struct tcb *tcp)
  25 {
  26         if (entering(tcp)) {
  27                 printpath(tcp, tcp->u_arg[0]);
  28                 tprints(", ");
  29                 printpath(tcp, tcp->u_arg[1]);
  30         }
  31         return 0;
  32 }
  33
  34 int
  35 sys_linkat(struct tcb *tcp)
  36 {
  37         if (entering(tcp)) {
  38                 print_dirfd(tcp, tcp->u_arg[0]);
  39                 printpath(tcp, tcp->u_arg[1]);
  40                 tprints(", ");
  41                 print_dirfd(tcp, tcp->u_arg[2]);
  42                 printpath(tcp, tcp->u_arg[3]);
  43                 tprints(", ");
  44                 printflags(at_flags, tcp->u_arg[4], "AT_???");
  45         }
  46         return 0;
  47 }
  48
  49 int
  50 sys_unlinkat(struct tcb *tcp)
  51 {
  52         if (entering(tcp)) {
  53                 print_dirfd(tcp, tcp->u_arg[0]);
  54                 printpath(tcp, tcp->u_arg[1]);
  55                 tprints(", ");
  56                 printflags(at_flags, tcp->u_arg[2], "AT_???");
  57         }
  58         return 0;
  59 }
  60
  61 int
  62 sys_symlinkat(struct tcb *tcp)
  63 {
  64         if (entering(tcp)) {
  65                 printpath(tcp, tcp->u_arg[0]);
  66                 tprints(", ");
  67                 print_dirfd(tcp, tcp->u_arg[1]);
  68                 printpath(tcp, tcp->u_arg[2]);
  69         }
  70         return 0;
  71 }