skalibs

Mirror/fork of https://skarnet.org/software/skalibs/
git clone https://ccx.te2000.cz/git/skalibs
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trysopeercred.c (356B)

      1 /* ISC license. */
      2 
      3 #undef _POSIX_C_SOURCE
      4 #undef _XOPEN_SOURCE
      5 
      6 #ifndef _XPG4_2
      7 #define _XPG4_2
      8 #endif
      9 
     10 #ifndef _GNU_SOURCE
     11 #define _GNU_SOURCE
     12 #endif
     13 
     14 #include <sys/socket.h>
     15 #include <sys/un.h>
     16 
     17 int main (void)
     18 {
     19   int s ;
     20   struct ucred dummy ;
     21   socklen_t len = sizeof(struct ucred) ;
     22   return getsockopt(s, SOL_SOCKET, SO_PEERCRED, &dummy, &len) ;
     23 }