If there is really someone without SHELL set, help him/her.

diff --git a/st.c b/st.c
index 693739e..43f5bc2 100644 (file)
--- a/st.c
+++ b/st.c
@@ -865,6 +865,9 @@ execsh(void) {
        char **args;
        char *envshell = getenv("SHELL");
 
+       if (envshell == NULL)
+               envshell ="/bin/sh";
+
        unsetenv("COLUMNS");
        unsetenv("LINES");
        unsetenv("TERMCAP");