- Added a setenv replacement for systems which lack it

1 files changed, 21 insertions, 0 deletions

diff --git a/helper.c b/helper.c
index 47e797b6c..91a78b577 100644
--- a/helper.c
+++ b/helper.c
@@ -149,3 +149,24 @@ void setproctitle(const char *fmt, ...)
         /* FIXME */
 }
 #endif /* !HAVE_SETPROCTITLE */
+
+#ifndef HAVE_SETENV
+int setenv(const char *name, const char *value, int overwrite)
+{
+        char *env_string;
+        int result;
+        
+        /* Don't overwrite existing env. var if overwrite is 0 */
+        if (!overwrite && (getenv(name) != NULL))
+                return(0);
+        
+        env_string = xmalloc(strlen(name) + strlen(value) + 2);
+        sprintf(env_string, "%s=%s", name, value);
+        
+        result = putenv(env_string);
+        
+        xfree(env_string);
+        
+        return(result); 
+}
+#endif /* !HAVE_SETENV */