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sandbox: implement exists() function

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This hooks into the generic "file exists" support added in an earlier
patch, and provides an implementation for the sandbox test environment.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Stephen Warren 2014-02-03 13:21:07 -07:00 committed by Tom Rini
parent e5e897c01b
commit 0a30aa1e7e
3 changed files with 10 additions and 1 deletions
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2
fs/fs.c
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@ -114,7 +114,7 @@ static struct fstype_info fstypes[] = {
.probe = sandbox_fs_set_blk_dev,
.close = sandbox_fs_close,
.ls = sandbox_fs_ls,
.exists = fs_exists_unsupported,
.exists = sandbox_fs_exists,
.read = fs_read_sandbox,
.write = fs_write_sandbox,
},

8
fs/sandbox/sandboxfs.c
View file

@ -72,6 +72,14 @@ int sandbox_fs_ls(const char *dirname)
return 0;
}
int sandbox_fs_exists(const char *filename)
{
ssize_t sz;
sz = os_get_filesize(filename);
return sz >= 0;
}
void sandbox_fs_close(void)
{
}

1
include/sandboxfs.h
View file

@ -25,6 +25,7 @@ long sandbox_fs_read_at(const char *filename, unsigned long pos,
void sandbox_fs_close(void);
int sandbox_fs_ls(const char *dirname);
int sandbox_fs_exists(const char *filename);
int fs_read_sandbox(const char *filename, void *buf, int offset, int len);
int fs_write_sandbox(const char *filename, void *buf, int offset, int len);