Merge c4560a7dfe into merged_master (Bitcoin PR #15650)

This commit is contained in:
Andrew Poelstra 2020-10-29 02:07:22 +00:00
commit e4fdf3639a

View file

@ -1129,11 +1129,12 @@ void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length) {
fcntl(fileno(file), F_PREALLOCATE, &fst);
}
ftruncate(fileno(file), fst.fst_length);
#elif defined(__linux__)
#else
#if defined(__linux__)
// Version using posix_fallocate
off_t nEndPos = (off_t)offset + length;
posix_fallocate(fileno(file), 0, nEndPos);
#else
if (0 == posix_fallocate(fileno(file), 0, nEndPos)) return;
#endif
// Fallback version
// TODO: just write one byte per block
static const char buf[65536] = {};