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lightningd: fix compile error on unused variable

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Switch to write_all instead

Error on gcc 7.3.0:

lightningd/lightningd.c: In function ‘on_sigterm’:
lightningd/lightningd.c:587:9: error: ignoring return value of ‘write’, declared
  with attribute warn_unused_result [-Werror=unused-result]
         write(STDERR_FILENO, msg, strlen(msg));
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
William Casarin 2018-12-30 11:18:33 -05:00 committed by Rusty Russell
parent 4f16044404
commit 4d9190aa47
1 changed files with 2 additions and 2 deletions
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4
lightningd/lightningd.c
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@ -577,14 +577,14 @@ void notify_new_block(struct lightningd *ld, u32 block_height)
static void on_sigint(int _ UNUSED)
{
static const char *msg = "lightningd: SIGINT caught, exiting.\n";
write(STDERR_FILENO, msg, strlen(msg));
write_all(STDERR_FILENO, msg, strlen(msg));
_exit(1);
}
static void on_sigterm(int _ UNUSED)
{
static const char *msg = "lightningd: SIGTERM caught, exiting.\n";
write(STDERR_FILENO, msg, strlen(msg));
write_all(STDERR_FILENO, msg, strlen(msg));
_exit(1);
}