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| author | Kim Alvefur <zash@zash.se> | 2014-04-25 02:41:55 +0200 |
|---|---|---|
| committer | Kim Alvefur <zash@zash.se> | 2014-04-25 02:41:55 +0200 |
| commit | eb66dffc2645967e922c17b1db559409ccc71d88 (patch) | |
| tree | d9f91de224bd763aca6719558d89d15184375cd6 /util-src/pposix.c | |
| parent | c62c48c5e324f3e1417e38dc40d7a3ca1cd913c3 (diff) | |
| download | prosody-eb66dffc2645967e922c17b1db559409ccc71d88.tar.gz prosody-eb66dffc2645967e922c17b1db559409ccc71d88.zip | |
util.pposix: Fix error reporting from really old Linux fallocate() that did not use errno for some reason (thanks pro)
Diffstat (limited to 'util-src/pposix.c')
| -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) { |