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libplugin: make set callback for options take plugin ptr, check correct type.

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I added a plugin arg and was surprised that compile didn't break.
This is because typesafe_cb et al are conditional casts: if the type
isn't as expected it has no effect, but we're passing plugin_option() through
varargs, so everything is accepted!

Add a noop inline to check type, and fix up the two cases where we
used `const char *` instead of `char *`.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2023-06-06 10:08:53 +09:30
parent 630dba8840
commit aa5c7e763f
7 changed files with 47 additions and 34 deletions
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2
plugins/sql.c
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@@ -114,7 +114,7 @@ struct table_desc {
static STRMAP(struct table_desc *) tablemap;
static size_t max_dbmem = 500000000;
static struct sqlite3 *db;
static const char *dbfilename;
static char *dbfilename;
static int gosstore_fd = -1;
static size_t gosstore_nodes_off = 0, gosstore_channels_off = 0;
static u64 next_rowid = 1;