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

   1 #include "defs.h"
   2
   3 #include <sys/utsname.h>
   4
   5 int
   6 sys_uname(struct tcb *tcp)
   7 {
   8         struct utsname uname;
   9
  10         if (entering(tcp))
  11                 return 0;
  12
  13         if (syserror(tcp) || !verbose(tcp))
  14                 tprintf("%#lx", tcp->u_arg[0]);
  15         else if (umove(tcp, tcp->u_arg[0], &uname) < 0)
  16                 tprints("{...}");
  17         else {
  18 #define PRINT_UTS_MEMBER(prefix, member) \
  19                 tprints(prefix #member "="); \
  20                 print_quoted_string(uname.member, sizeof(uname.member), \
  21                                     QUOTE_0_TERMINATED)
  22
  23                 PRINT_UTS_MEMBER("{", sysname);
  24                 PRINT_UTS_MEMBER(", ", nodename);
  25                 if (abbrev(tcp)) {
  26                         tprints(", ...}");
  27                         return 0;
  28                 }
  29                 PRINT_UTS_MEMBER(", ", release);
  30                 PRINT_UTS_MEMBER(", ", version);
  31                 PRINT_UTS_MEMBER(", ", machine);
  32 #ifdef HAVE_STRUCT_UTSNAME_DOMAINNAME
  33                 PRINT_UTS_MEMBER(", ", domainname);
  34 #endif
  35                 tprints("}");
  36         }
  37
  38         return 0;
  39 }