From: Masami Hiramatsu <mhiramat@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Devin Moore <devinmoore@google.com>
Subject: [PATCH 1/4] bootconfig: Change array value to use child node
Date: Sun, 16 May 2021 23:55:31 +0900 [thread overview]
Message-ID: <162117693103.9011.18172892676114426345.stgit@devnote2> (raw)
In-Reply-To: <162117692155.9011.16682190750100804269.stgit@devnote2>
Change array value to use child node of the xbc_node tree
instead of next node.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
tools/bootconfig/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h
index 2696eb0fc149..3178a31fdabc 100644
--- a/include/linux/bootconfig.h
+++ b/include/linux/bootconfig.h
@@ -71,7 +71,7 @@ static inline __init bool xbc_node_is_key(struct xbc_node *node)
*/
static inline __init bool xbc_node_is_array(struct xbc_node *node)
{
- return xbc_node_is_value(node) && node->next != 0;
+ return xbc_node_is_value(node) && node->child != 0;
}
/**
@@ -140,7 +140,7 @@ static inline struct xbc_node * __init xbc_find_node(const char *key)
*/
#define xbc_array_for_each_value(anode, value) \
for (value = xbc_node_get_data(anode); anode != NULL ; \
- anode = xbc_node_get_next(anode), \
+ anode = xbc_node_get_child(anode), \
value = anode ? xbc_node_get_data(anode) : NULL)
/**
@@ -171,7 +171,7 @@ static inline struct xbc_node * __init xbc_find_node(const char *key)
*/
#define xbc_node_for_each_array_value(node, key, anode, value) \
for (value = xbc_node_find_value(node, key, &anode); value != NULL; \
- anode = xbc_node_get_next(anode), \
+ anode = xbc_node_get_child(anode), \
value = anode ? xbc_node_get_data(anode) : NULL)
/**
diff --git a/lib/bootconfig.c b/lib/bootconfig.c
index 9f8c70a98fcf..44dcdcbd746a 100644
--- a/lib/bootconfig.c
+++ b/lib/bootconfig.c
@@ -367,6 +367,14 @@ static inline __init struct xbc_node *xbc_last_sibling(struct xbc_node *node)
return node;
}
+static inline __init struct xbc_node *xbc_last_child(struct xbc_node *node)
+{
+ while (node->child)
+ node = xbc_node_get_child(node);
+
+ return node;
+}
+
static struct xbc_node * __init xbc_add_sibling(char *data, u32 flag)
{
struct xbc_node *sib, *node = xbc_add_node(data, flag);
@@ -517,17 +525,20 @@ static int __init xbc_parse_array(char **__v)
char *next;
int c = 0;
+ if (last_parent->child)
+ last_parent = xbc_node_get_child(last_parent);
+
do {
c = __xbc_parse_value(__v, &next);
if (c < 0)
return c;
- node = xbc_add_sibling(*__v, XBC_VALUE);
+ node = xbc_add_child(*__v, XBC_VALUE);
if (!node)
return -ENOMEM;
*__v = next;
} while (c == ',');
- node->next = 0;
+ node->child = 0;
return c;
}
@@ -615,8 +626,12 @@ static int __init xbc_parse_kv(char **k, char *v, int op)
if (op == ':' && child) {
xbc_init_node(child, v, XBC_VALUE);
- } else if (!xbc_add_sibling(v, XBC_VALUE))
- return -ENOMEM;
+ } else {
+ if (op == '+' && child)
+ last_parent = xbc_last_child(child);
+ if (!xbc_add_sibling(v, XBC_VALUE))
+ return -ENOMEM;
+ }
if (c == ',') { /* Array */
c = xbc_parse_array(&next);
diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 7362bef1a368..aaa4fec1c431 100644
--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -27,7 +27,7 @@ static int xbc_show_value(struct xbc_node *node, bool semicolon)
q = '\'';
else
q = '"';
- printf("%c%s%c%s", q, val, q, node->next ? ", " : eol);
+ printf("%c%s%c%s", q, val, q, node->child ? ", " : eol);
i++;
}
return i;
next prev parent reply other threads:[~2021-05-16 14:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-16 14:55 [PATCH 0/4] bootconfig: Add mixed subkeys and value under the same key Masami Hiramatsu
2021-05-16 14:55 ` Masami Hiramatsu [this message]
2021-05-17 15:24 ` [PATCH 1/4] bootconfig: Change array value to use child node Steven Rostedt
2021-05-17 23:42 ` Masami Hiramatsu
2021-05-21 0:43 ` Masami Hiramatsu
2021-05-16 14:55 ` [PATCH 2/4] bootconfig: Support mixing a value and subkeys under a key Masami Hiramatsu
2021-05-16 14:55 ` [PATCH 3/4] tools/bootconfig: Support mixed value and subkey test cases Masami Hiramatsu
2021-05-16 14:55 ` [PATCH 4/4] docs: bootconfig: Update for mixing value and subkeys Masami Hiramatsu
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