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  #ifndef EXECVP
      18  # define EXECVP(file, argv)  execvp (file, argv)
      19  #endif
      20  
      21  static char *copy;
      22  
      23  static void
      24  prepare (int argc, char *argv[])
      25  {
      26    char *buf;
      27    int off;
      28  
      29    buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
      30    if (system (buf) != 0)
      31      {
      32        puts ("system  failed");
      33        exit (1);
      34      }
      35  
      36    /* Make it not executable.  */
      37    copy = buf + off;
      38    if (chmod (copy, 0666) != 0)
      39      {
      40        puts ("chmod  failed");
      41        exit (1);
      42      }
      43  
      44    add_temp_file (copy);
      45  }
      46  
      47  
      48  static int
      49  do_test (void)
      50  {
      51    /* Make sure we do not find a binary with the name we are going to
      52       use.  */
      53    char *bindir = strdupa (copy);
      54    bindir = canonicalize_file_name (dirname (bindir));
      55    if (bindir == NULL)
      56      {
      57        puts ("canonicalize_file_name failed");
      58        return 1;
      59      }
      60  
      61    char *path = xasprintf ("%s:../libio:../elf", bindir);
      62  
      63    setenv ("PATH", path, 1);
      64  
      65    char *argv[] = { basename (copy), NULL };
      66    errno = 0;
      67    EXECVP (argv[0], argv);
      68  
      69    if (errno != EACCES)
      70      {
      71        printf ("errno = %d (%m), expected EACCES\n", errno);
      72        return 1;
      73      }
      74  
      75    return 0;
      76  }