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

   1 #include "defs.h"
   2
   3 enum {
   4         SYSLOG_ACTION_CLOSE = 0,
   5         SYSLOG_ACTION_OPEN,
   6         SYSLOG_ACTION_READ,
   7         SYSLOG_ACTION_READ_ALL,
   8         SYSLOG_ACTION_READ_CLEAR,
   9         SYSLOG_ACTION_CLEAR,
  10         SYSLOG_ACTION_CONSOLE_OFF,
  11         SYSLOG_ACTION_CONSOLE_ON,
  12         SYSLOG_ACTION_CONSOLE_LEVEL,
  13         SYSLOG_ACTION_SIZE_UNREAD,
  14         SYSLOG_ACTION_SIZE_BUFFER
  15 };
  16
  17 #include "xlat/syslog_action_type.h"
  18
  19 int
  20 sys_syslog(struct tcb *tcp)
  21 {
  22         int type = tcp->u_arg[0];
  23
  24         if (entering(tcp)) {
  25                 /* type */
  26                 printxval(syslog_action_type, type, "SYSLOG_ACTION_???");
  27                 tprints(", ");
  28         }
  29
  30         switch (type) {
  31                 case SYSLOG_ACTION_READ:
  32                 case SYSLOG_ACTION_READ_ALL:
  33                 case SYSLOG_ACTION_READ_CLEAR:
  34                         if (entering(tcp))
  35                                 return 0;
  36                         break;
  37                 default:
  38                         if (entering(tcp)) {
  39                                 tprintf("%#lx, %lu",
  40                                         tcp->u_arg[1], tcp->u_arg[2]);
  41                         }
  42                         return 0;
  43         }
  44
  45         /* bufp */
  46         if (syserror(tcp))
  47                 tprintf("%#lx", tcp->u_arg[1]);
  48         else
  49                 printstr(tcp, tcp->u_arg[1], tcp->u_rval);
  50         /* len */
  51         tprintf(", %d", (int) tcp->u_arg[2]);
  52
  53         return 0;
  54 }