diff options
| -rw-r--r-- | util-src/pposix.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/util-src/pposix.c b/util-src/pposix.c index a8654995..df814c28 100644 --- a/util-src/pposix.c +++ b/util-src/pposix.c @@ -674,11 +674,15 @@ int lc_fallocate(lua_State* L) len = luaL_checkinteger(L, 3); #if defined(__linux__) && defined(_GNU_SOURCE) - if(fallocate(fileno(f), FALLOC_FL_KEEP_SIZE, offset, len) == 0) + errno = 0; + ret = fallocate(fileno(f), FALLOC_FL_KEEP_SIZE, offset, len); + if(ret == 0) { lua_pushboolean(L, 1); return 1; } + /* Some old versions of Linux apparently use the return value instead of errno */ + if(errno == 0) errno = ret; if(errno != ENOSYS && errno != EOPNOTSUPP) { |