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authorGerald Van Baren <vanbaren@cideas.com>2007-03-31 12:13:43 -0400
committerGerald Van Baren <vanbaren@cideas.com>2007-03-31 12:13:43 -0400
commit3af0d587d93e0be5f96e1b30fa41e662f8b0803e (patch)
treeaff9722cacec7ea01fc4a8464df5a2dfce39f703 /libfdt/fdt.c
parentfa3a74cec73dfd06a5ae35a9a3368200273aaa71 (diff)
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libfdt: Enhanced and published fdt_next_tag()
Enhanced the formerly private function _fdt_next_tag() to allow stepping through the tree, used to produce a human-readable dump, and made it part of the published interface. Also added some comments.
Diffstat (limited to 'libfdt/fdt.c')
-rw-r--r--libfdt/fdt.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/libfdt/fdt.c b/libfdt/fdt.c
index 772da46..4b1c8ab 100644
--- a/libfdt/fdt.c
+++ b/libfdt/fdt.c
@@ -58,45 +58,6 @@ void *fdt_offset_ptr(const void *fdt, int offset, int len)
return p;
}
-uint32_t _fdt_next_tag(const void *fdt, int offset, int *nextoffset)
-{
- const uint32_t *tagp, *lenp;
- uint32_t tag;
- const char *p;
-
- if (offset % FDT_TAGSIZE)
- return -1;
-
- tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);
- if (! tagp)
- return FDT_END; /* premature end */
- tag = fdt32_to_cpu(*tagp);
- offset += FDT_TAGSIZE;
-
- switch (tag) {
- case FDT_BEGIN_NODE:
- /* skip name */
- do {
- p = fdt_offset_ptr(fdt, offset++, 1);
- } while (p && (*p != '\0'));
- if (! p)
- return FDT_END;
- break;
- case FDT_PROP:
- lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));
- if (! lenp)
- return FDT_END;
- /* skip name offset, length and value */
- offset += 2*FDT_TAGSIZE + fdt32_to_cpu(*lenp);
- break;
- }
-
- if (nextoffset)
- *nextoffset = ALIGN(offset, FDT_TAGSIZE);
-
- return tag;
-}
-
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
{
int len = strlen(s) + 1;