diff options
Diffstat (limited to 'package/libs/libubox/patches/0003-blob-refactor-attr-parsing-into-separate-function.patch')
| -rw-r--r-- | package/libs/libubox/patches/0003-blob-refactor-attr-parsing-into-separate-function.patch | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/package/libs/libubox/patches/0003-blob-refactor-attr-parsing-into-separate-function.patch b/package/libs/libubox/patches/0003-blob-refactor-attr-parsing-into-separate-function.patch new file mode 100644 index 0000000000..81bffa587a --- /dev/null +++ b/package/libs/libubox/patches/0003-blob-refactor-attr-parsing-into-separate-function.patch @@ -0,0 +1,97 @@ +From af2a074160e32692b570f8a3562b4370d38f34e7 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz@true.cz> +Date: Mon, 9 Dec 2019 13:53:27 +0100 +Subject: blob: refactor attr parsing into separate function +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Making blob_parse easier to review. + +Signed-off-by: Petr Štetiar <ynezz@true.cz> +--- + blob.c | 61 +++++++++++++++++++++++++++++++++------------------------- + 1 file changed, 35 insertions(+), 26 deletions(-) + +--- a/blob.c ++++ b/blob.c +@@ -217,44 +217,53 @@ blob_check_type(const void *ptr, unsigne + return true; + } + +-int +-blob_parse(struct blob_attr *attr, struct blob_attr **data, const struct blob_attr_info *info, int max) ++static int ++blob_parse_attr(struct blob_attr *attr, struct blob_attr **data, const struct blob_attr_info *info, int max) + { +- struct blob_attr *pos; + int found = 0; +- int rem; ++ int id = blob_id(attr); ++ size_t len = blob_len(attr); + +- memset(data, 0, sizeof(struct blob_attr *) * max); +- blob_for_each_attr(pos, attr, rem) { +- int id = blob_id(pos); +- int len = blob_len(pos); ++ if (id >= max) ++ return 0; + +- if (id >= max) +- continue; ++ if (info) { ++ int type = info[id].type; + +- if (info) { +- int type = info[id].type; ++ if (type < BLOB_ATTR_LAST) { ++ if (!blob_check_type(blob_data(attr), len, type)) ++ return 0; ++ } + +- if (type < BLOB_ATTR_LAST) { +- if (!blob_check_type(blob_data(pos), len, type)) +- continue; +- } ++ if (info[id].minlen && len < info[id].minlen) ++ return 0; + +- if (info[id].minlen && len < info[id].minlen) +- continue; ++ if (info[id].maxlen && len > info[id].maxlen) ++ return 0; + +- if (info[id].maxlen && len > info[id].maxlen) +- continue; ++ if (info[id].validate && !info[id].validate(&info[id], attr)) ++ return 0; ++ } + +- if (info[id].validate && !info[id].validate(&info[id], pos)) +- continue; +- } ++ if (!data[id]) ++ found++; + +- if (!data[id]) +- found++; ++ data[id] = attr; ++ return found; ++} + +- data[id] = pos; ++int ++blob_parse(struct blob_attr *attr, struct blob_attr **data, const struct blob_attr_info *info, int max) ++{ ++ struct blob_attr *pos; ++ int found = 0; ++ size_t rem; ++ ++ memset(data, 0, sizeof(struct blob_attr *) * max); ++ blob_for_each_attr(pos, attr, rem) { ++ found += blob_parse_attr(pos, data, info, max); + } ++ + return found; + } + |