1  #include <errno.h>
       2  #include <libgen.h>
       3  #undef basename
       4  #include <stdio.h>
       5  #include <stdlib.h>
       6  #include <string.h>
       7  #include <unistd.h>
       8  #include <sys/stat.h>
       9  
      10  
      11  static void prepare (int argc, char *argv[]);
      12  static int do_test (void);
      13  #define PREPARE(argc, argv) prepare (argc, argv)
      14  #define TEST_FUNCTION do_test ()
      15  #include "../test-skeleton.c"
      16  
      17  
      18  static char *copy;
      19  
      20  static void
      21  prepare (int argc, char *argv[])
      22  {
      23    char *buf;
      24    int off;
      25  
      26    buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
      27    if (system (buf) != 0)
      28      {
      29        puts ("system  failed");
      30        exit (1);
      31      }
      32  
      33    /* Make it not executable.  */
      34    copy = buf + off;
      35    if (chmod (copy, 0666) != 0)
      36      {
      37        puts ("chmod  failed");
      38        exit (1);
      39      }
      40  
      41    add_temp_file (copy);
      42  }
      43  
      44  
      45  static int
      46  do_test (void)
      47  {
      48    /* Make sure we do not find a binary with the name we are going to
      49       use.  */
      50    char *bindir = strdupa (copy);
      51    bindir = canonicalize_file_name (dirname (bindir));
      52    if (bindir == NULL)
      53      {
      54        puts ("canonicalize_file_name failed");
      55        return 1;
      56      }
      57  
      58    char *path = xasprintf ("%s:../libio:../elf", bindir);
      59  
      60    setenv ("PATH", path, 1);
      61  
      62    char *prog = basename (copy);
      63    errno = 0;
      64    execlp (prog, prog, NULL);
      65  
      66    if (errno != EACCES)
      67      {
      68        printf ("errno = %d (%m), expected EACCES\n", errno);
      69        return 1;
      70      }
      71  
      72    return 0;
      73  }