commit fa952e19019f4c5a693d5f0e1fa9ef182d5527e9
from: Christoph Lohmann <20h@r-36.net>
date: Tue Oct  9 17:33:26 2012 UTC

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

commit - 5967a7c0db8bbf113235d66653df934d59619b7c
commit + fa952e19019f4c5a693d5f0e1fa9ef182d5527e9
blob - 693739e00f3f9110bbbf3f24931a7d64e7d9e872
blob + 43f5bc2aec13a24c5cacb37ee47610d51152fb09
--- st.c
+++ 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");