overflow errors

main.c

@@ -28,45 +28,42 @@
 struct editorConfig E;
 
 int main(int argc, char *argv[]) {
-
-  char * splash_screen = strdup(getenv("HOME"));
-  int home_path_len = (int) strlen(splash_screen);
-  char * splash_screen_relative_path = strdup("/.beluga/assets/beluga.txt");
-  int splash_screen_relative_path_len = (int) strlen(splash_screen_relative_path);
-
-  signal(SIGPIPE, SIG_IGN);  // don't die on broken pipe, just get EPIPE from write()
-
-  enableRawMode();
-  initEditor();
-  EditorPane *active = splitScreenGetActivePane();
-  struct buffer_t *buf;
-
-  splash_screen = realloc(splash_screen, sizeof(char) * (home_path_len + splash_screen_relative_path_len + 1));
-  strcat(splash_screen, "/.beluga/assets/beluga.txt");
-  free(splash_screen_relative_path);
-
-  appDebug("splash : %s\n", splash_screen);
-  active->buffer_id = bufferCreate(splash_screen, READ_ONLY);
-
-  if (argc >= 2) {
-    if (E.constantes.LSP) {
-
+    // Get HOME with NULL check
+    const char *home = getenv("HOME");
+    if (!home) {
+        fprintf(stderr, "Error: HOME environment variable not set\n");
+        return 1;
     }
-    active->buffer_id = bufferCreate(argv[1], READ_AND_WRITE);
 
-    buf = &E.buffers[active->buffer_id];
+    // Allocate and build splash screen path safely
+    char *splash_screen;
+    if (asprintf(&splash_screen, "%s/.beluga/assets/beluga.txt", home) == -1) {
+        fprintf(stderr, "Error: Failed to allocate splash screen path\n");
+        return 1;
+    }
 
-    appDebug("peoject root : %s\n", dirname(buf->fullname));
+    signal(SIGPIPE, SIG_IGN);
+    enableRawMode();
+    initEditor();
 
+    EditorPane *active = splitScreenGetActivePane();
+    struct buffer_t *buf;
 
-  }
-  free(splash_screen);
+    appDebug("splash : %s\n", splash_screen);
+    active->buffer_id = bufferCreate(splash_screen, READ_ONLY);
 
-  editorSetStatusMessage("HELP: Ctrl-x Ctrl-s = save | Ctrl-x Ctrl-c = quit");
+    if (argc >= 2) {
+        active->buffer_id = bufferCreate(argv[1], READ_AND_WRITE);
+        buf = &E.buffers[active->buffer_id];
+        appDebug("project root : %s\n", dirname(buf->fullname));
+    }
 
-  while (1) {
-    editorRefreshScreen();
-    editorProcessKeypress();
-  }
-  return 0;
+    free(splash_screen);  // Now guaranteed safe
+
+    editorSetStatusMessage("HELP: Ctrl-x Ctrl-s = save | Ctrl-x Ctrl-c = quit");
+    while (1) {
+        editorRefreshScreen();
+        editorProcessKeypress();
+    }
+    return 0;
 }