lineread: Use ssize_t for line lengths

Functions and structures in lineread.c use plain int to record and report
the length of lines we receive.  This means we truncate the result from
read(2) in some circumstances.  Use ssize_t to avoid that.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/conf.c b/conf.c
index fdeb9db..3998bfa 100644
--- a/conf.c
+++ b/conf.c
@@ -401,9 +401,9 @@ static void get_dns(struct ctx *c)
 	struct fqdn *s = c->dns_search;
 	struct lineread resolvconf;
 	unsigned int added = 0;
+	ssize_t line_len;
 	char *line, *end;
 	const char *p;
-	int line_len;
 
 	dns4_set = !c->ifi4 || !IN4_IS_ADDR_UNSPECIFIED(dns4);
 	dns6_set = !c->ifi6 || !IN6_IS_ADDR_UNSPECIFIED(dns6);