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author | Luca Weiss <luca@z3ntu.xyz> | 2022-04-19 21:45:38 +0200 |
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committer | David Gibson <david@gibson.dropbear.id.au> | 2022-04-20 12:55:14 +1000 |
commit | ed310803ea893ed0a8bba9c4ff0d9eb0063a8bef (patch) | |
tree | 891f3db734b2dc3cb887f1d63cf037687d963fb6 /pylibfdt/libfdt.i | |
parent | c001fc01a43e7a06447c06ea3d50bd60641322b8 (diff) | |
download | dtc-ed310803ea893ed0a8bba9c4ff0d9eb0063a8bef.zip dtc-ed310803ea893ed0a8bba9c4ff0d9eb0063a8bef.tar.gz dtc-ed310803ea893ed0a8bba9c4ff0d9eb0063a8bef.tar.bz2 |
pylibfdt: add FdtRo.get_path()
Add a new Python method wrapping fdt_get_path() from the C API.
Also add a test for the new method.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Message-Id: <20220419194537.63170-1-luca@z3ntu.xyz>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'pylibfdt/libfdt.i')
-rw-r--r-- | pylibfdt/libfdt.i | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/pylibfdt/libfdt.i b/pylibfdt/libfdt.i index ac70762..f9f7e7e 100644 --- a/pylibfdt/libfdt.i +++ b/pylibfdt/libfdt.i @@ -443,6 +443,29 @@ class FdtRo(object): """ return fdt_get_alias(self._fdt, name) + def get_path(self, nodeoffset, quiet=()): + """Get the full path of a node + + Args: + nodeoffset: Node offset to check + + Returns: + Full path to the node + + Raises: + FdtException if an error occurs + """ + size = 1024 + while True: + ret, path = fdt_get_path(self._fdt, nodeoffset, size) + if ret == -NOSPACE: + size = size * 2 + continue + err = check_err(ret, quiet) + if err: + return err + return path + def parent_offset(self, nodeoffset, quiet=()): """Get the offset of a node's parent @@ -1115,6 +1138,11 @@ typedef uint32_t fdt32_t; } } +%include "cstring.i" + +%cstring_output_maxsize(char *buf, int buflen); +int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen); + /* We have both struct fdt_property and a function fdt_property() */ %warnfilter(302) fdt_property; |