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53e5696b UD |
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 | 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 | |
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 | } |