On 09/02/2017 06:38 PM, Rob Clark wrote:
Implement the readdir interface using the directory iterators.
Reviewed-by: Łukasz Majewski <lu...@denx.de>
Signed-off-by: Rob Clark <robdcl...@gmail.com>
---
fs/fat/fat.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 56 insertions(+)
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 3193290434..d30ef3903b 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -14,6 +14,7 @@
#include <config.h>
#include <exports.h>
#include <fat.h>
+#include <fs.h>
#include <asm/byteorder.h>
#include <part.h>
#include <malloc.h>
@@ -1119,6 +1120,61 @@ int fat_read_file(const char *filename, void *buf,
loff_t offset, loff_t len,
return ret;
}
+typedef struct {
+ FS_DIR parent;
+ fsdata fsdata;
+ fat_itr itr;
+} fat_dir;
+
+int fat_opendir(const char *filename, FS_DIR **dirp)
+{
+ fat_dir *dir = malloc(sizeof(*dir));
+ int ret;
+
+ if (!dir)
+ return -ENOMEM;
+
+ ret = fat_itr_root(&dir->itr, &dir->fsdata);
+ if (ret)
+ goto fail;
+
+ ret = fat_itr_resolve(&dir->itr, filename, TYPE_DIR);
+ if (ret)
+ goto fail;
+
+ *dirp = (FS_DIR *)dir;
+ return 0;
+
+fail:
+ free(dir);
+ return ret;
+}
+
+int fat_readdir(FS_DIR *dirp)
+{
+ fat_dir *dir = (fat_dir *)dirp;
+ struct fs_dirent *dent = &dirp->dirent;
+
+ if (!fat_itr_next(&dir->itr))
+ return -ENOENT;
+
+ strcpy(dent->name, dir->itr.name);
+ if (fat_itr_isdir(&dir->itr)) {
+ dent->type = FS_DT_DIR;
+ } else {
+ dent->type = FS_DT_REG;
+ dent->size = FAT2CPU32(dir->itr.dent->size);
+ }
+
+ return 0;
+}
+
+void fat_closedir(FS_DIR *dirp)
+{
+ fat_dir *dir = (fat_dir *)dirp;
+ free(dir);
+}
+
void fat_close(void)
{
}
--
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
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