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| author | Michael Brown | 2021-05-06 14:09:30 +0200 |
|---|---|---|
| committer | Michael Brown | 2021-05-08 16:34:19 +0200 |
| commit | de4f31cdcad7c4734c68da828351eeb7afd0360e (patch) | |
| tree | d776dd3e9ffceb7b90019e80046d1b49d099a21b /src/core/image.c | |
| parent | [cloud] Allow multiple images to be imported simultaneously (diff) | |
| download | ipxe-de4f31cdcad7c4734c68da828351eeb7afd0360e.tar.gz ipxe-de4f31cdcad7c4734c68da828351eeb7afd0360e.tar.xz ipxe-de4f31cdcad7c4734c68da828351eeb7afd0360e.zip | |
[image] Provide image_set_len() utility function
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/core/image.c')
| -rw-r--r-- | src/core/image.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/src/core/image.c b/src/core/image.c index 9fe77c54..ce8cf868 100644 --- a/src/core/image.c +++ b/src/core/image.c @@ -176,14 +176,13 @@ int image_set_cmdline ( struct image *image, const char *cmdline ) { } /** - * Set image data + * Set image length * * @v image Image - * @v data Image data * @v len Length of image data * @ret rc Return status code */ -int image_set_data ( struct image *image, userptr_t data, size_t len ) { +int image_set_len ( struct image *image, size_t len ) { userptr_t new; /* (Re)allocate image data */ @@ -191,10 +190,28 @@ int image_set_data ( struct image *image, userptr_t data, size_t len ) { if ( ! new ) return -ENOMEM; image->data = new; + image->len = len; + + return 0; +} + +/** + * Set image data + * + * @v image Image + * @v data Image data + * @v len Length of image data + * @ret rc Return status code + */ +int image_set_data ( struct image *image, userptr_t data, size_t len ) { + int rc; + + /* Set image length */ + if ( ( rc = image_set_len ( image, len ) ) != 0 ) + return rc; /* Copy in new image data */ memcpy_user ( image->data, 0, data, 0, len ); - image->len = len; return 0; } |