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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-05-27 18:08:18 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-05-27 18:08:18 +0000 |
commit | 9f53bc85a64da31a21ede71a112f2f6c0486417b (patch) | |
tree | 5a9efc0762dca5d39b1f748bb516e19d38fb178a /nuttx/examples/mount/mount_main.c | |
parent | 9f5af96aa10a6bca769370503e19b4651b81c0a9 (diff) | |
download | px4-nuttx-9f53bc85a64da31a21ede71a112f2f6c0486417b.tar.gz px4-nuttx-9f53bc85a64da31a21ede71a112f2f6c0486417b.tar.bz2 px4-nuttx-9f53bc85a64da31a21ede71a112f2f6c0486417b.zip |
Add stat()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@257 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/examples/mount/mount_main.c')
-rw-r--r-- | nuttx/examples/mount/mount_main.c | 111 |
1 files changed, 107 insertions, 4 deletions
diff --git a/nuttx/examples/mount/mount_main.c b/nuttx/examples/mount/mount_main.c index a3c75d2ae..184c1fcc0 100644 --- a/nuttx/examples/mount/mount_main.c +++ b/nuttx/examples/mount/mount_main.c @@ -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; @@ -410,6 +443,59 @@ 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; } |