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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-12-02 11:38:49 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-12-03 11:23:25 +0100 |
| commit | 5e742637623af0b1ea365b4c8ffda566a0ee3a2b (patch) | |
| tree | 2e318879a6d386e5cd29639932f9498f6ac6c8b8 /lib/gui | |
| parent | 3207dc4608dd1afa46fcdcc0b9eb7c3a3fe22882 (diff) | |
| download | barebox-5e742637623af0b1ea365b4c8ffda566a0ee3a2b.tar.gz barebox-5e742637623af0b1ea365b4c8ffda566a0ee3a2b.tar.xz | |
filetype: Pass bufsize
Pass the buffer size to the file detection code. This makes sure we do not
read past the buffer. This is especially useful for ext filesystem detection
as the magic is at byte offset 1080. Also introduce a FILE_TYPE_SAFE_BUFSIZE
define which is set to the minimum bufsize the detection code needs to detect
all known filetypes.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'lib/gui')
| -rw-r--r-- | lib/gui/image_renderer.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/gui/image_renderer.c b/lib/gui/image_renderer.c index 41dc43b3c7..78e5777cbd 100644 --- a/lib/gui/image_renderer.c +++ b/lib/gui/image_renderer.c @@ -13,10 +13,10 @@ static LIST_HEAD(image_renderers); -static struct image_renderer *get_renderer(void* buf) +static struct image_renderer *get_renderer(void* buf, size_t bufsize) { struct image_renderer *ir; - enum filetype type = file_detect_type(buf); + enum filetype type = file_detect_type(buf, bufsize); list_for_each_entry(ir, &image_renderers, list) { if (ir->type == type) @@ -40,7 +40,7 @@ struct image *image_renderer_open(const char* file) return ERR_PTR(-ENOMEM); } - ir = get_renderer(data); + ir = get_renderer(data, size); if (!ir) { ret = -ENOENT; goto out; |