diff options
Diffstat (limited to 'src/regress/lib/libc/telldir/telldir.c')
-rw-r--r-- | src/regress/lib/libc/telldir/telldir.c | 73 |
1 files changed, 19 insertions, 54 deletions
diff --git a/src/regress/lib/libc/telldir/telldir.c b/src/regress/lib/libc/telldir/telldir.c index 9de0eb5e96..d2879cc701 100644 --- a/src/regress/lib/libc/telldir/telldir.c +++ b/src/regress/lib/libc/telldir/telldir.c | |||
@@ -1,60 +1,20 @@ | |||
1 | /* $OpenBSD: telldir.c,v 1.3 2013/08/20 01:13:54 guenther Exp $ */ | 1 | /* $OpenBSD: telldir.c,v 1.4 2013/11/03 00:20:24 schwarze Exp $ */ |
2 | 2 | ||
3 | /* Written by Otto Moerbeek, 2006, Public domain. */ | 3 | /* Written by Otto Moerbeek, 2006, Public domain. */ |
4 | 4 | ||
5 | #include <sys/types.h> | 5 | #include <sys/types.h> |
6 | #include <sys/stat.h> | ||
7 | #include <dirent.h> | 6 | #include <dirent.h> |
8 | #include <err.h> | 7 | #include <err.h> |
9 | #include <limits.h> | 8 | #include <limits.h> |
10 | #include <fcntl.h> | ||
11 | #include <stdio.h> | 9 | #include <stdio.h> |
12 | #include <string.h> | 10 | #include <string.h> |
13 | #include <unistd.h> | ||
14 | 11 | ||
12 | #include "utils.h" | ||
15 | 13 | ||
16 | #define NFILES 1000 | 14 | #define NFILES 1000 |
17 | 15 | ||
18 | void | 16 | static void |
19 | createfiles(void) | 17 | longloop(DIR *dp, int i) |
20 | { | ||
21 | int i, fd; | ||
22 | char file[PATH_MAX]; | ||
23 | |||
24 | mkdir("d", 0755); | ||
25 | for (i = 0; i < NFILES; i++) { | ||
26 | snprintf(file, sizeof file, "d/%d", i); | ||
27 | if ((fd = open(file, O_CREAT | O_WRONLY, 0600)) == -1) | ||
28 | err(1, "open %s", file); | ||
29 | close(fd); | ||
30 | } | ||
31 | } | ||
32 | |||
33 | void | ||
34 | delfiles(void) | ||
35 | { | ||
36 | DIR *dp; | ||
37 | struct dirent *f; | ||
38 | char file[PATH_MAX]; | ||
39 | |||
40 | dp = opendir("d"); | ||
41 | if (dp == NULL) | ||
42 | err(1, "opendir"); | ||
43 | while (f = readdir(dp)) { | ||
44 | if (strcmp(f->d_name, ".") == 0 || | ||
45 | strcmp(f->d_name, "..") == 0) | ||
46 | continue; | ||
47 | snprintf(file, sizeof file, "d/%s", f->d_name); | ||
48 | if (unlink(file) == -1) | ||
49 | err(1, "unlink %s", f->d_name); | ||
50 | } | ||
51 | closedir(dp); | ||
52 | if (rmdir("d") == -1) | ||
53 | err(1, "rmdir"); | ||
54 | } | ||
55 | |||
56 | void | ||
57 | loop(DIR *dp, int i) | ||
58 | { | 18 | { |
59 | struct dirent *f; | 19 | struct dirent *f; |
60 | char file[PATH_MAX]; | 20 | char file[PATH_MAX]; |
@@ -62,6 +22,9 @@ loop(DIR *dp, int i) | |||
62 | 22 | ||
63 | rewinddir(dp); | 23 | rewinddir(dp); |
64 | snprintf(file, sizeof file, "%d", i); | 24 | snprintf(file, sizeof file, "%d", i); |
25 | |||
26 | /* Scan through all files, remember where file i is. */ | ||
27 | |||
65 | for (;;) { | 28 | for (;;) { |
66 | pos = telldir(dp); | 29 | pos = telldir(dp); |
67 | f = readdir(dp); | 30 | f = readdir(dp); |
@@ -72,35 +35,37 @@ loop(DIR *dp, int i) | |||
72 | } | 35 | } |
73 | if (remember == -1) | 36 | if (remember == -1) |
74 | errx(1, "remember %s", file); | 37 | errx(1, "remember %s", file); |
38 | |||
39 | /* Go back to i, checking seekdir, telldir and readdir. */ | ||
40 | |||
75 | seekdir(dp, remember); | 41 | seekdir(dp, remember); |
76 | if ((t = telldir(dp)) != remember) | 42 | if ((t = telldir(dp)) != remember) |
77 | errx(1, "tell after seek %s %ld != %ld", file, t, pos); | 43 | errx(1, "tell after seek %s %ld != %ld", file, t, remember); |
78 | if ((t = telldir(dp)) != remember) | 44 | if ((t = telldir(dp)) != remember) |
79 | errx(1, "tell after tell %s %ld != %ld", file, t, pos); | 45 | errx(1, "tell after tell %s %ld != %ld", file, t, remember); |
80 | f = readdir(dp); | 46 | f = readdir(dp); |
81 | if (f == NULL) | 47 | if (f == NULL) |
82 | err(1, "seek to %s %ld", file, remember); | 48 | errx(1, "readdir %s at %ld", file, remember); |
83 | 49 | ||
84 | if (strcmp(f->d_name, file) != 0) | 50 | if (strcmp(f->d_name, file) != 0) |
85 | err(1, "name mismatch: %s != %s\n", f->d_name, file); | 51 | errx(1, "name mismatch: %s != %s", f->d_name, file); |
86 | } | 52 | } |
87 | 53 | ||
88 | int | 54 | void |
89 | main(void) | 55 | longseek(void) |
90 | { | 56 | { |
91 | DIR *dp; | 57 | DIR *dp; |
92 | int i; | 58 | int i; |
93 | 59 | ||
94 | createfiles(); | 60 | createfiles(NFILES); |
95 | 61 | ||
96 | dp = opendir("d"); | 62 | dp = opendir("d"); |
97 | if (dp == NULL) | 63 | if (dp == NULL) |
98 | err(1, "opendir"); | 64 | err(1, "longseek: opendir"); |
99 | 65 | ||
100 | for (i = 0; i < NFILES; i++) | 66 | for (i = 0; i < NFILES; i++) |
101 | loop(dp, (i + NFILES/2) % NFILES); | 67 | longloop(dp, (i + NFILES/2) % NFILES); |
102 | 68 | ||
103 | closedir(dp); | 69 | closedir(dp); |
104 | delfiles(); | 70 | delfiles(); |
105 | return 0; | ||
106 | } | 71 | } |