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

   1 #include "defs.h"
   2
   3 int
   4 sys_utime(struct tcb *tcp)
   5 {
   6         union {
   7                 long utl[2];
   8                 int uti[2];
   9                 long paranoia_for_huge_wordsize[4];
  10         } u;
  11         unsigned wordsize;
  12
  13         if (entering(tcp)) {
  14                 printpath(tcp, tcp->u_arg[0]);
  15                 tprints(", ");
  16
  17                 wordsize = current_wordsize;
  18                 if (!tcp->u_arg[1])
  19                         tprints("NULL");
  20                 else if (!verbose(tcp))
  21                         tprintf("%#lx", tcp->u_arg[1]);
  22                 else if (umoven(tcp, tcp->u_arg[1], 2 * wordsize, (char *) &u) < 0)
  23                         tprints("[?, ?]");
  24                 else if (wordsize == sizeof u.utl[0]) {
  25                         tprintf("[%s,", sprinttime(u.utl[0]));
  26                         tprintf(" %s]", sprinttime(u.utl[1]));
  27                 }
  28                 else if (wordsize == sizeof u.uti[0]) {
  29                         tprintf("[%s,", sprinttime(u.uti[0]));
  30                         tprintf(" %s]", sprinttime(u.uti[1]));
  31                 }
  32                 else
  33                         tprintf("<decode error: unsupported wordsize %d>",
  34                                 wordsize);
  35         }
  36         return 0;
  37 }