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Handle the result of posix_fallocate system call

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This commit is contained in:
Luca Venturini 2019-03-23 04:20:40 +00:00
parent 7b13c64645
commit 5d35ae3326
1 changed files with 4 additions and 3 deletions
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7
src/util/system.cpp
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@ -1089,11 +1089,12 @@ 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] = {};