handle cases where HOME is missing

diff --git a/nnn.c b/nnn.c
index bb40085268065cf0b2738b8f705f2874db8cb973..9371e9a9bb5ba9e7f7f93a12664e75b34ab47f8a 100644 (file)
--- a/nnn.c
+++ b/nnn.c
@@ -391,7 +391,7 @@ printerr(int linenum)
 {
        exitcurses();
        fprintf(stderr, "line %d: (%d) %s\n", linenum, errno, strerror(errno));
-       if (cfg.noxdisplay)
+       if (cfg.noxdisplay && g_cppath[0])
                unlink(g_cppath);
        exit(1);
 }
@@ -608,6 +608,9 @@ xbasename(char *path)
 static void
 writecp(const char *buf, const size_t buflen)
 {
+       if (!g_cppath[0])
+               return;
+
        FILE *fp = fopen(g_cppath, "w");
 
        if (fp) {
@@ -3417,7 +3420,7 @@ main(int argc, char *argv[])
                cfg.quote = 1;
 
        /* Check if X11 is available */
-       if (getenv("NNN_NO_X")) {
+       if (getenv("NNN_NO_X") && getenv("HOME")) {
                cfg.noxdisplay = 1;
                size_t len = xstrlcpy(g_cppath, getenv("HOME"), 48);
                xstrlcpy(g_cppath + len - 1, "/.nnncp", 48 - len);
@@ -3442,7 +3445,7 @@ main(int argc, char *argv[])
        browse(ipath, ifilter);
        exitcurses();
 
-       if (cfg.noxdisplay)
+       if (cfg.noxdisplay && g_cppath[0])
                unlink(g_cppath);
 
 #ifdef LINUX_INOTIFY