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-rw-r--r--util-src/pposix.c6
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)
{