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| author | Kim Alvefur <zash@zash.se> | 2014-04-27 01:02:20 +0200 |
|---|---|---|
| committer | Kim Alvefur <zash@zash.se> | 2014-04-27 01:02:20 +0200 |
| commit | dbf3c7d1a0b749ab0abe2e2565a7ca70ca8e6a47 (patch) | |
| tree | 2fc44a45626dec815109dafd52b02cca23d99cb3 /util-src/pposix.c | |
| parent | 2e78da6434c807a033466b32dbc5fd67f9c3b230 (diff) | |
| parent | 92ed3576fcc5381d2e9a97688b2d337626ad6a3d (diff) | |
| download | prosody-dbf3c7d1a0b749ab0abe2e2565a7ca70ca8e6a47.tar.gz prosody-dbf3c7d1a0b749ab0abe2e2565a7ca70ca8e6a47.zip | |
Merge 0.9->0.10
Diffstat (limited to 'util-src/pposix.c')
| -rw-r--r-- | util-src/pposix.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/util-src/pposix.c b/util-src/pposix.c index 73e0d6e3..9b3e97eb 100644 --- a/util-src/pposix.c +++ b/util-src/pposix.c @@ -674,6 +674,7 @@ int lc_meminfo(lua_State* L) #if _XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L || defined(_GNU_SOURCE) int lc_fallocate(lua_State* L) { + int ret; off_t offset, len; FILE *f = *(FILE**) luaL_checkudata(L, 1, LUA_FILEHANDLE); if (f == NULL) @@ -683,11 +684,15 @@ 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) { @@ -701,7 +706,8 @@ int lc_fallocate(lua_State* L) #warning Note that posix_fallocate() will still be used on filesystems that dont support fallocate() #endif - if(posix_fallocate(fileno(f), offset, len) == 0) + ret = posix_fallocate(fileno(f), offset, len); + if(ret == 0) { lua_pushboolean(L, 1); return 1; @@ -709,7 +715,7 @@ int lc_fallocate(lua_State* L) else { lua_pushnil(L); - lua_pushstring(L, strerror(errno)); + lua_pushstring(L, strerror(ret)); /* posix_fallocate() can leave a bunch of NULs at the end, so we cut that * this assumes that offset == length of the file */ ftruncate(fileno(f), offset); |