Add lovr.filesystem.getWorkingDirectory;

src/api/filesystem.c

@@ -94,7 +94,7 @@ int l_lovrFilesystemCreateDirectory(lua_State* L) {
 }
 
 int l_lovrFilesystemGetAppdataDirectory(lua_State* L) {
-  char buffer[1024];
+  char buffer[LOVR_PATH_MAX];
 
   if (lovrFilesystemGetAppdataDirectory(buffer, sizeof(buffer))) {
     lua_pushnil(L);
@@ -113,7 +113,7 @@ int l_lovrFilesystemGetDirectoryItems(lua_State* L) {
 }
 
 int l_lovrFilesystemGetExecutablePath(lua_State* L) {
-  char buffer[1024];
+  char buffer[LOVR_PATH_MAX];
 
   if (lovrFilesystemGetExecutablePath(buffer, sizeof(buffer))) {
     lua_pushnil(L);
@@ -197,6 +197,18 @@ int l_lovrFilesystemGetUserDirectory(lua_State* L) {
   return 1;
 }
 
+int l_lovrFilesystemGetWorkingDirectory(lua_State* L) {
+  char buffer[LOVR_PATH_MAX];
+
+  if (lovrFilesystemGetWorkingDirectory(buffer, sizeof(buffer))) {
+    lua_pushnil(L);
+  } else {
+    lua_pushstring(L, buffer);
+  }
+
+  return 1;
+}
+
 int l_lovrFilesystemIsDirectory(lua_State* L) {
   const char* path = luaL_checkstring(L, 1);
   lua_pushboolean(L, lovrFilesystemIsDirectory(path));
@@ -316,6 +328,7 @@ const luaL_Reg lovrFilesystem[] = {
   { "getSize", l_lovrFilesystemGetSize },
   { "getSource", l_lovrFilesystemGetSource },
   { "getUserDirectory", l_lovrFilesystemGetUserDirectory },
+  { "getWorkingDirectory", l_lovrFilesystemGetWorkingDirectory },
   { "isDirectory", l_lovrFilesystemIsDirectory },
   { "isFile", l_lovrFilesystemIsFile },
   { "isFused", l_lovrFilesystemIsFused },

src/filesystem/filesystem.c

@@ -121,8 +121,8 @@ int lovrFilesystemGetExecutablePath(char* dest, unsigned int size) {
   return 1;
 #elif __linux__
   memset(dest, 0, size);
-  if (readlink("/proc/self/exe", dest, size) == -1) {
-    return 1;
+  if (readlink("/proc/self/exe", dest, size) != -1) {
+    return 0;
   }
 #else
 #error "This platform is missing an implementation for lovrFilesystemGetExecutablePath"
@@ -177,6 +177,20 @@ const char* lovrFilesystemGetUserDirectory() {
 #endif
 }
 
+int lovrFilesystemGetWorkingDirectory(char* dest, unsigned int size) {
+#ifdef _WIN32
+  WCHAR w_cwd[LOVR_PATH_MAX];
+  _wgetcwd(w_cwd, LOVR_PATH_MAX);
+  PHYSFS_utf8FromUtf16(w_cwd, dest, size);
+  return 0;
+#else
+  if (getcwd(dest, size)) {
+    return 0;
+  }
+#endif
+  return 1;
+}
+
 bool lovrFilesystemIsDirectory(const char* path) {
   PHYSFS_Stat stat;
   return PHYSFS_stat(path, &stat) ? stat.filetype == PHYSFS_FILETYPE_DIRECTORY : false;

src/filesystem/filesystem.h

@@ -34,6 +34,7 @@ const char* lovrFilesystemGetSaveDirectory();
 size_t lovrFilesystemGetSize(const char* path);
 const char* lovrFilesystemGetSource();
 const char* lovrFilesystemGetUserDirectory();
+int lovrFilesystemGetWorkingDirectory(char* dest, unsigned int size);
 bool lovrFilesystemIsDirectory(const char* path);
 bool lovrFilesystemIsFile(const char* path);
 bool lovrFilesystemIsFused();