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authorNIIBE Yutaka <gniibe@fsij.org>2019-02-26 03:43:10 +0100
committerNIIBE Yutaka <gniibe@fsij.org>2019-02-26 03:53:41 +0100
commita1ccfe2b37847cce0db2fb94a7365c9fa501eda4 (patch)
treeebdba9acc9f28c687ed59f60abea07023a6bd50f /dirmngr
parentlibdns: Avoid using compound literals (4). (diff)
downloadgnupg2-a1ccfe2b37847cce0db2fb94a7365c9fa501eda4.tar.xz
gnupg2-a1ccfe2b37847cce0db2fb94a7365c9fa501eda4.zip
libdns: Avoid using compound literals (5).
* dirmngr/dns.h (dns_rr_foreach): Don't use dns_rr_i_new. Call dns_rr_grep with NULL. * dirmngr/dns.c (dns_rr_grep): Support NULL for error_. -- Here we still use C99 feature of struct member initialization in dns_rr_foreach, for struct dns_rr_i. Note that in C99, it guarantees non-specified member fields are initialized by zero. So, there's no need to use dns_rr_i_new at all. Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
Diffstat (limited to 'dirmngr')
-rw-r--r--dirmngr/dns.c3
-rw-r--r--dirmngr/dns.h2
2 files changed, 3 insertions, 2 deletions
diff --git a/dirmngr/dns.c b/dirmngr/dns.c
index f6a158789..85fd37fb2 100644
--- a/dirmngr/dns.c
+++ b/dirmngr/dns.c
@@ -3266,7 +3266,8 @@ unsigned dns_rr_grep(struct dns_rr *rr, unsigned lim, struct dns_rr_i *i, struct
return count;
error:
- *error_ = error;
+ if (error_)
+ *error_ = error;
return count;
} /* dns_rr_grep() */
diff --git a/dirmngr/dns.h b/dirmngr/dns.h
index 0953228f8..da450c611 100644
--- a/dirmngr/dns.h
+++ b/dirmngr/dns.h
@@ -542,7 +542,7 @@ DNS_PUBLIC struct dns_rr_i *dns_rr_i_init(struct dns_rr_i *, struct dns_packet *
DNS_PUBLIC unsigned dns_rr_grep(struct dns_rr *, unsigned, struct dns_rr_i *, struct dns_packet *, int *);
#define dns_rr_foreach_(rr, P, ...) \
- for (struct dns_rr_i DNS_PP_XPASTE(i, __LINE__) = *dns_rr_i_new((P), __VA_ARGS__); dns_rr_grep((rr), 1, &DNS_PP_XPASTE(i, __LINE__), (P), &(int){ 0 }); )
+ for (struct dns_rr_i DNS_PP_XPASTE(i, __LINE__) = { __VA_ARGS__ }; dns_rr_grep((rr), 1, &DNS_PP_XPASTE(i, __LINE__), (P), NULL); )
#define dns_rr_foreach(...) dns_rr_foreach_(__VA_ARGS__)