Merge 0.9->0.10

[prosody.git] / util-src / pposix.c

diff --git a/util-src/pposix.c b/util-src/pposix.c
index 2e1de97171dea2ce0f4d902e664f357ada77ec90..73e0d6e390e145be2d2080b67103462d99c56ab8 100644 (file)
--- a/util-src/pposix.c
+++ b/util-src/pposix.c
@@ -36,7 +36,7 @@
 #include "lauxlib.h"
 
 #include <fcntl.h>
-#if defined(_GNU_SOURCE)
+#if defined(__linux__) && defined(_GNU_SOURCE)
 #include <linux/falloc.h>
 #endif
 
@@ -676,11 +676,13 @@ int lc_fallocate(lua_State* L)
 {
        off_t offset, len;
        FILE *f = *(FILE**) luaL_checkudata(L, 1, LUA_FILEHANDLE);
+       if (f == NULL)
+               luaL_error(L, "attempt to use a closed file");
 
        offset = luaL_checkinteger(L, 2);
        len = luaL_checkinteger(L, 3);
 
-#if defined(_GNU_SOURCE)
+#if defined(__linux__) && defined(_GNU_SOURCE)
        if(fallocate(fileno(f), FALLOC_FL_KEEP_SIZE, offset, len) == 0)
        {
                lua_pushboolean(L, 1);