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authorSimon Glass <sjg@chromium.org>2012-12-26 09:53:34 +0000
committerTom Rini <trini@ti.com>2013-03-04 14:19:56 -0500
commit62584db191013f13133be0f6702d0c935a7c85a6 (patch)
treea8a688c79900497e511269216623fd54105efd10 /include/os.h
parente6d5241534486effa116bf685f7707041492ec7b (diff)
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sandbox: Add a way of obtaining directory listings
This implementation uses opendir()/readdir() to access the directory information and then puts it in a linked list for the caller's use. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'include/os.h')
-rw-r--r--include/os.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/os.h b/include/os.h
index c452d1b..038aba9 100644
--- a/include/os.h
+++ b/include/os.h
@@ -146,4 +146,52 @@ u64 os_get_nsec(void);
*/
int os_parse_args(struct sandbox_state *state, int argc, char *argv[]);
+/*
+ * Types of directory entry that we support. See also os_dirent_typename in
+ * the C file.
+ */
+enum os_dirent_t {
+ OS_FILET_REG, /* Regular file */
+ OS_FILET_LNK, /* Symbolic link */
+ OS_FILET_DIR, /* Directory */
+ OS_FILET_UNKNOWN, /* Something else */
+
+ OS_FILET_COUNT,
+};
+
+/** A directory entry node, containing information about a single dirent */
+struct os_dirent_node {
+ struct os_dirent_node *next; /* Pointer to next node, or NULL */
+ ulong size; /* Size of file in bytes */
+ enum os_dirent_t type; /* Type of entry */
+ char name[0]; /* Name of entry */
+};
+
+/**
+ * Get a directionry listing
+ *
+ * This allocates and returns a linked list containing the directory listing.
+ *
+ * @param dirname Directory to examine
+ * @param headp Returns pointer to head of linked list, or NULL if none
+ * @return 0 if ok, -ve on error
+ */
+int os_dirent_ls(const char *dirname, struct os_dirent_node **headp);
+
+/**
+ * Get the name of a directory entry type
+ *
+ * @param type Type to cehck
+ * @return string containing the name of that type, or "???" if none/invalid
+ */
+const char *os_dirent_get_typename(enum os_dirent_t type);
+
+/**
+ * Get the size of a file
+ *
+ * @param fname Filename to check
+ * @return size of file, or -1 if an error ocurred
+ */
+ssize_t os_get_filesize(const char *fname);
+
#endif