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
prepare(int argc,char * argv[])21 prepare (int argc, char *argv[])
22 {
23 char *buf;
24 int off;
25 asprintf (&buf, "cp %s %n%s-copy", argv[0], &off, argv[0]);
26 if (buf == NULL)
27 {
28 puts ("asprintf failed");
29 exit (1);
30 }
31 if (system (buf) != 0)
32 {
33 puts ("system failed");
34 exit (1);
35 }
36
37 /* Make it not executable. */
38 copy = buf + off;
39 if (chmod (copy, 0666) != 0)
40 {
41 puts ("chmod failed");
42 exit (1);
43 }
44
45 add_temp_file (copy);
46 }
47
48
49 static int
do_test(void)50 do_test (void)
51 {
52 /* Make sure we do not find a binary with the name we are going to
53 use. */
54 char *bindir = strdupa (copy);
55 bindir = canonicalize_file_name (dirname (bindir));
56 if (bindir == NULL)
57 {
58 puts ("canonicalize_file_name failed");
59 return 1;
60 }
61 char *path;
62 asprintf (&path, "%s:../libio:../elf", bindir);
63 if (path == NULL)
64 {
65 puts ("asprintf failed");
66 return 1;
67 }
68
69 setenv ("PATH", path, 1);
70
71 char *prog = basename (copy);
72 errno = 0;
73 execlp (prog, prog, NULL);
74
75 if (errno != EACCES)
76 {
77 printf ("errno = %d (%m), expected EACCES\n", errno);
78 return 1;
79 }
80
81 return 0;
82 }
83