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Diffstat (limited to 'src/regress/lib/libc/telldir/telldir.c')
-rw-r--r--src/regress/lib/libc/telldir/telldir.c73
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
18void 16static void
19createfiles(void) 17longloop(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
33void
34delfiles(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
56void
57loop(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
88int 54void
89main(void) 55longseek(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}