prot.c

linux下qmail的源码 本人加了一些注释

#include "hasshsgr.h"
#include "prot.h"

/* XXX: there are more portability problems here waiting to leap out at me */

int prot_gid(gid) int gid;
{
#ifdef HASSHORTSETGROUPS
  short x[2];
  x[0] = gid; x[1] = 73; /* catch errors */
  if (setgroups(1,x) == -1) return -1;
#else
  if (setgroups(1,&gid) == -1) return -1;
#endif
  return setgid(gid); /* _should_ be redundant, but on some systems it isn't */
}

int prot_uid(uid) int uid;
{
  return setuid(uid);
}