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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;
}
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