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ccan: update to fix recent gcc "comparison will always evaluate as 'false'" warning

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```
lightningd/jsonrpc.c: In function ‘destroy_json_command’:
lightningd/jsonrpc.c:1180:63: error: the comparison will always evaluate as ‘false’ for the address of ‘canary’ will never be NULL [-Werror=address]
lightningd/jsonrpc.c:108:53: note: ‘canary’ declared here
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2023-01-12 14:18:38 +10:30
parent 1f21796454
commit 288f5df8d1
2 changed files with 2 additions and 3 deletions
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2
ccan/README
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@ -1,3 +1,3 @@
CCAN imported from http://ccodearchive.net.
CCAN version: init-2548-gab87e56b
CCAN version: init-2549-gba79e21b

3
ccan/ccan/tcon/tcon.h
View file

@ -147,8 +147,7 @@
* It evaluates to @x so you can chain it.
*/
#define tcon_check_ptr(x, canary, expr) \
(sizeof(&(x)->_tcon[0].canary == (expr)) ? (x) : (x))
(sizeof((expr) ? (expr) : &(x)->_tcon[0].canary) ? (x) : (x))
/**
* tcon_type - the type within a container (or void *)