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authorKim Alvefur <zash@zash.se>2014-04-25 02:41:55 +0200
committerKim Alvefur <zash@zash.se>2014-04-25 02:41:55 +0200
commitcea75bb1a9b4ab93d366bd56d99fb3806ce25ac7 (patch)
treed9f91de224bd763aca6719558d89d15184375cd6
parent725f2eb056de1d3ea1b1d83f5245760dd2b2449d (diff)
downloadprosody-cea75bb1a9b4ab93d366bd56d99fb3806ce25ac7.tar.gz
prosody-cea75bb1a9b4ab93d366bd56d99fb3806ce25ac7.zip
util.pposix: Fix error reporting from really old Linux fallocate() that did not use errno for some reason (thanks pro)
-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)
{