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Add stat()

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@257 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2007-05-27 18:08:18 +00:00
parent 0c8bb6aac5
commit a0153a1ed2
17 changed files with 612 additions and 113 deletions
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examples/mount/mount_main.c
+107 -4
View File
@@ -83,11 +83,44 @@ static char g_namebuffer[256];
* Private Functions
****************************************************************************/
static void show_stat(const char *path, struct stat *ps)
{
printf("%s stat:\n", path);
printf("\tmode : %08x\n", ps->st_mode);
if (S_ISREG(ps->st_mode))
{
printf("\ttype : File\n");
}
else if (S_ISDIR(ps->st_mode))
{
printf("\ttype : Directory\n");
}
else if (S_ISCHR(ps->st_mode))
{
printf("\ttype : Character driver\n");
}
else if (S_ISBLK(ps->st_mode))
{
printf("\ttype : Block driver\n");
}
else
{
printf("\ttype : Unknown\n");
}
printf("\tsize : %d (bytes)\n", ps->st_size);
printf("\tblock size : %d (bytes)\n", ps->st_blksize);
printf("\tsize : %d (blocks)\n", ps->st_blocks);
printf("\taccess time : %d (blocks)\n", ps->st_atime);
printf("\tmodify time : %d (blocks)\n", ps->st_mtime);
printf("\tchange time : %d (blocks)\n", ps->st_ctime);
}
/****************************************************************************
* Name: fail_read_open
* Name: show_directories
****************************************************************************/
static void show_directories( const char *path, int indent )
static void show_directories(const char *path, int indent)
{
DIR *dirp;
struct dirent *direntry;
@@ -409,6 +442,59 @@ static void succeed_rename(const char *oldpath, const char *newpath)
}
}
/****************************************************************************
* Name: fail_stat
****************************************************************************/
static void fail_stat(const char *path, int expectederror)
{
struct stat buf;
int ret;
/* Try stat() against a file or directory. It should fail with expectederror */
printf("fail_stat: Try stat(%s)\n", path);
ret = stat(path, &buf);
if (ret == 0)
{
printf("fail_stat: ERROR stat(%s) succeeded\n", path);
show_stat(path, &buf);
g_nerrors++;
}
else if (*get_errno_ptr() != expectederror)
{
printf("fail_stat: ERROR stat(%s) failed with errno=%d (expected %d)\n",
path, *get_errno_ptr(), expectederror);
g_nerrors++;
}
}
/****************************************************************************
* Name: succeed_stat
****************************************************************************/
static void succeed_stat(const char *path)
{
struct stat buf;
int ret;
printf("succeed_stat: Try stat(%s)\n", path);
ret = stat(path, &buf);
if (ret != 0)
{
printf("succeed_stat: ERROR stat(%s) failed with errno=%d\n",
path, *get_errno_ptr());
g_nerrors++;
}
else
{
printf("succeed_stat: stat(%s) succeeded\n", path);
show_stat(path, &buf);
}
}
/****************************************************************************
* Public Functions
****************************************************************************/
@@ -442,12 +528,15 @@ int user_start(int argc, char *argv[])
/* Read a test file that is already on the test file system image */
show_directories("", 0);
succeed_stat(g_testfile1);
read_test_file(g_testfile1);
/* Write a test file into a pre-existing directory on the test file system */
fail_stat(g_testfile2, ENOENT);
write_test_file(g_testfile2);
show_directories("", 0);
succeed_stat(g_testfile2);
/* Read the file that we just wrote */
@@ -468,6 +557,7 @@ int user_start(int argc, char *argv[])
/* Try unlink() against the test file1. It should succeed. */
succeed_unlink(g_testfile1);
fail_stat(g_testfile1, ENOENT);
show_directories("", 0);
/* Attempt to open testfile1 should fail with ENOENT */
@@ -486,20 +576,23 @@ int user_start(int argc, char *argv[])
succeed_unlink(g_testfile2);
show_directories("", 0);
fail_stat(g_testfile2, ENOENT);
/* Try mkdir() against the test dir1. It should fail with EEXIST. */
fail_mkdir(g_testdir1, EEXIST);
/* Try rmdir() against the test directory. It should now succeed. */
/* Try rmdir() against the test directory. mkdir should now succeed. */
succeed_rmdir(g_testdir1);
show_directories("", 0);
fail_stat(g_testdir1, ENOENT);
/* Try mkdir() against the test dir2. It should succeed */
succeed_mkdir(g_testdir2);
show_directories("", 0);
succeed_stat(g_testdir2);
/* Try mkdir() against the test dir2. It should fail with EXIST */
@@ -507,8 +600,10 @@ int user_start(int argc, char *argv[])
/* Write a test file into a new directory on the test file system */
fail_stat(g_testfile3, ENOENT);
write_test_file(g_testfile3);
show_directories("", 0);
succeed_stat(g_testfile3);
/* Read the file that we just wrote */
@@ -516,8 +611,10 @@ int user_start(int argc, char *argv[])
/* Use mkdir() to create test dir3. It should succeed */
fail_stat(g_testdir3, ENOENT);
succeed_mkdir(g_testdir3);
show_directories("", 0);
succeed_stat(g_testdir3);
/* Try rename() on the root directory. Should fail with EXDEV*/
@@ -529,13 +626,19 @@ int user_start(int argc, char *argv[])
/* Try rename() to a non-existing directory. Should succeed */
fail_stat(g_testdir4, ENOENT);
succeed_rename(g_testdir3, g_testdir4);
show_directories("", 0);
fail_stat(g_testdir3, ENOENT);
succeed_stat(g_testdir4);
/* Try rename() of file. Should work. */
fail_stat(g_testfile4, ENOENT);
succeed_rename(g_testfile3, g_testfile4);
show_directories("", 0);
fail_stat(g_testfile3, ENOENT);
succeed_stat(g_testfile4);
/* Make sure that we can still read the renamed file */
@@ -554,7 +657,7 @@ int user_start(int argc, char *argv[])
printf("user_start: %d errors reported\n", g_nerrors);
}
fflush(stdout);
return 0;
}