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-rw-r--r--util-src/pposix.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/util-src/pposix.c b/util-src/pposix.c
index 10edbd71..f9c07e54 100644
--- a/util-src/pposix.c
+++ b/util-src/pposix.c
@@ -15,6 +15,14 @@
#define MODULE_VERSION "0.3.6"
+
+#if defined(__linux__)
+#define _GNU_SOURCE
+#else
+#define _DEFAULT_SOURCE
+#endif
+#define _POSIX_C_SOURCE 200809L
+
#include <stdlib.h>
#include <math.h>
#include <unistd.h>
@@ -40,11 +48,11 @@
#endif
#include <fcntl.h>
-#if defined(__linux__) && defined(_GNU_SOURCE)
+#if defined(__linux__)
#include <linux/falloc.h>
#endif
-#if (defined(_SVID_SOURCE) && !defined(WITHOUT_MALLINFO))
+#if !defined(WITHOUT_MALLINFO)
#include <malloc.h>
#define WITH_MALLINFO
#endif
@@ -663,7 +671,7 @@ int lc_uname(lua_State *L) {
lua_setfield(L, -2, "version");
lua_pushstring(L, uname_info.machine);
lua_setfield(L, -2, "machine");
-#ifdef _GNU_SOURCE
+#ifdef __USE_GNU
lua_pushstring(L, uname_info.domainname);
lua_setfield(L, -2, "domainname");
#endif
@@ -726,7 +734,6 @@ int lc_meminfo(lua_State *L) {
* https://github.com/rrthomas/luaposix/blob/master/lposix.c#L631
* */
-#if _XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L || defined(_GNU_SOURCE)
int lc_fallocate(lua_State *L) {
int ret;
off_t offset, len;
@@ -739,7 +746,7 @@ int lc_fallocate(lua_State *L) {
offset = luaL_checkinteger(L, 2);
len = luaL_checkinteger(L, 3);
-#if defined(__linux__) && defined(_GNU_SOURCE)
+#if defined(__linux__)
errno = 0;
ret = fallocate(fileno(f), FALLOC_FL_KEEP_SIZE, offset, len);
@@ -759,10 +766,6 @@ int lc_fallocate(lua_State *L) {
return 2;
}
-#else
-#warning Only using posix_fallocate() fallback.
-#warning Linux fallocate() is strongly recommended if available: recompile with -D_GNU_SOURCE
-#warning Note that posix_fallocate() will still be used on filesystems that dont support fallocate()
#endif
ret = posix_fallocate(fileno(f), offset, len);
@@ -784,7 +787,6 @@ int lc_fallocate(lua_State *L) {
return 2;
}
}
-#endif
/* Register functions */
@@ -825,9 +827,7 @@ int luaopen_util_pposix(lua_State *L) {
{ "meminfo", lc_meminfo },
#endif
-#if _XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L || defined(_GNU_SOURCE)
{ "fallocate", lc_fallocate },
-#endif
{ NULL, NULL }
};
@@ -835,6 +835,11 @@ int luaopen_util_pposix(lua_State *L) {
lua_newtable(L);
luaL_setfuncs(L, exports, 0);
+#ifdef ENOENT
+ lua_pushinteger(L, ENOENT);
+ lua_setfield(L, -2, "ENOENT");
+#endif
+
lua_pushliteral(L, "pposix");
lua_setfield(L, -2, "_NAME");