On systems without clearenv() the environ variable must be imported a…

…s external before it can be manipulated to reset the environment. This is, for example, necessary on FreeBSD, otherwise the effect of "environ = NULL" is a compiler error or in some cases to create a new local variable.
canonical · Jun 9, 2019 · 1b99bc2 · 1b99bc2
1 parent 170df31
commit 1b99bc2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/process.c b/src/process.c
@@ -73,6 +73,10 @@ static GHashTable *processes = NULL;
 static pid_t signal_pid;
 static int signal_pipe[2];
 
+#ifndef HAVE_CLEARENV
+extern char **environ;
+#endif
+
 Process *
 process_get_current (void)
 {