@@ -871,6 +871,7 @@ static int reftable_log_record_decode(void *rec, struct strbuf key,
switch (r->value_type) {
case REFTABLE_LOG_UPDATE:
FREE_AND_NULL(r->value.update.message);
+ r->value.update.message_cap = 0;
FREE_AND_NULL(r->value.update.email);
FREE_AND_NULL(r->value.update.name);
break;
@@ -943,8 +944,8 @@ static int reftable_log_record_decode(void *rec, struct strbuf key,
goto done;
string_view_consume(&in, n);
- r->value.update.message =
- reftable_realloc(r->value.update.message, dest.len + 1);
+ REFTABLE_ALLOC_GROW(r->value.update.message, dest.len + 1,
+ r->value.update.message_cap);
memcpy(r->value.update.message, dest.buf, dest.len);
r->value.update.message[dest.len] = 0;
@@ -96,6 +96,7 @@ struct reftable_log_record {
uint64_t time;
int16_t tz_offset;
char *message;
+ size_t message_cap;
} update;
} value;
};
Same as the preceding commit we can allocate log messages as needed when decoding log records, thus further reducing the number of allocations. Before: HEAP SUMMARY: in use at exit: 13,473 bytes in 122 blocks total heap usage: 3,068,488 allocs, 3,068,366 frees, 307,122,961 bytes allocated After: HEAP SUMMARY: in use at exit: 13,473 bytes in 122 blocks total heap usage: 2,068,487 allocs, 2,068,365 frees, 305,122,946 bytes allocated Signed-off-by: Patrick Steinhardt <ps@pks.im> --- reftable/record.c | 5 +++-- reftable/reftable-record.h | 1 + 2 files changed, 4 insertions(+), 2 deletions(-)