6e5cb299dd
Basically, `devtools/reduce-includes.sh */*.c`. Build time from make clean (RUST=0) (includes building external libs): Before: real 0m38.944000-40.416000(40.1131+/-0.4)s user 3m6.790000-17.159000(15.0571+/-2.8)s sys 0m35.304000-37.336000(36.8942+/-0.57)s After: real 0m37.872000-39.974000(39.5466+/-0.59)s user 3m1.211000-14.968000(12.4556+/-3.9)s sys 0m35.008000-36.830000(36.4143+/-0.5)s Build time after touch config.vars (RUST=0): Before: real 0m19.831000-21.862000(21.5528+/-0.58)s user 2m15.361000-30.731000(28.4798+/-4.4)s sys 0m21.056000-22.339000(22.0346+/-0.35)s After: real 0m18.384000-21.307000(20.8605+/-0.92)s user 2m5.585000-26.843000(23.6017+/-6.7)s sys 0m19.650000-22.003000(21.4943+/-0.69)s Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#include "config.h"
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#include <common/gossip_store.h>
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#include <gossipd/gossip_store_wiregen.h>
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#include <unistd.h>
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/* We cheat and read first two bytes of message too. */
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struct hdr_and_type {
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struct gossip_hdr hdr;
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be16 type;
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};
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/* Beware padding! */
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#define HDR_AND_TYPE_SIZE (sizeof(struct gossip_hdr) + sizeof(u16))
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bool gossip_store_readhdr(int gossip_store_fd, size_t off,
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size_t *len,
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u32 *timestamp,
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u16 *flags,
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u16 *type)
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{
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struct hdr_and_type buf;
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int r;
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r = pread(gossip_store_fd, &buf, HDR_AND_TYPE_SIZE, off);
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if (r != HDR_AND_TYPE_SIZE)
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return false;
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if (!(buf.hdr.flags & CPU_TO_BE16(GOSSIP_STORE_COMPLETED_BIT)))
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return false;
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*len = be16_to_cpu(buf.hdr.len);
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if (flags)
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*flags = be16_to_cpu(buf.hdr.flags);
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if (timestamp)
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*timestamp = be32_to_cpu(buf.hdr.timestamp);
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if (type)
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*type = be16_to_cpu(buf.type);
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return true;
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}
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size_t find_gossip_store_end(int gossip_store_fd, size_t off)
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{
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size_t msglen;
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u16 type;
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while (gossip_store_readhdr(gossip_store_fd, off,
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&msglen, NULL, NULL, &type)) {
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/* Don't swallow end marker! */
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if (type == WIRE_GOSSIP_STORE_ENDED)
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break;
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off += sizeof(struct gossip_hdr) + msglen;
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}
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return off;
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}
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