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RDB: store times consistently in little endian.

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I'm not sure how this escaped the attention of Redis users for years,
but finally @oranagra reported this issue... Thanks to Oran.
This commit is contained in:
antirez 2018-06-12 17:21:57 +02:00
parent 4774d61691
commit f70e88c1f6
1 changed files with 5 additions and 0 deletions
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5
src/rdb.c
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@ -100,6 +100,9 @@ int rdbLoadType(rio *rdb) {
return type;
}
/* This is only used to load old databases stored with the RDB_OPCODE_EXPIRETIME
* opcode. New versions of Redis store using the RDB_OPCODE_EXPIRETIME_MS
* opcode. */
time_t rdbLoadTime(rio *rdb) {
int32_t t32;
rdbLoadRaw(rdb,&t32,4);
@ -108,12 +111,14 @@ time_t rdbLoadTime(rio *rdb) {
int rdbSaveMillisecondTime(rio *rdb, long long t) {
int64_t t64 = (int64_t) t;
memrev64ifbe(&t64); /* Store in little endian. */
return rdbWriteRaw(rdb,&t64,8);
}
long long rdbLoadMillisecondTime(rio *rdb) {
int64_t t64;
rdbLoadRaw(rdb,&t64,8);
memrev64ifbe(&t64); /* Convert in big endian if the system is BE. */
return (long long)t64;
}