From 41d1d28807deba7e7fe84b75945f2f65ce5b8e15 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Wed, 23 Oct 2002 00:29:25 +0000
Subject: [PATCH] Now handles readline() returning NULL correctly (user hits
 CTRL-D, etc).

---
 test/test_physfs.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/test/test_physfs.c b/test/test_physfs.c
index 34078e41..ee67d059 100644
--- a/test/test_physfs.c
+++ b/test/test_physfs.c
@@ -714,10 +714,17 @@ static void trim_command(const char *orig, char *copy)
 static int process_command(char *complete_cmd)
 {
     const command_info *i;
-    char *cmd_copy = malloc(strlen(complete_cmd) + 1);
+    char *cmd_copy;
     char *args;
     int rc = 1;
 
+    if (complete_cmd == NULL)  /* can happen if user hits CTRL-D, etc. */
+    {
+        printf("\n");
+        return(0);
+    } /* if */
+
+    cmd_copy = malloc(strlen(complete_cmd) + 1);
     if (cmd_copy == NULL)
     {
         printf("\n\n\nOUT OF MEMORY!\n\n\n");
@@ -877,7 +884,8 @@ int main(int argc, char **argv)
 #endif
 
         rc = process_command(buf);
-        free(buf);
+        if (buf != NULL)
+            free(buf);
     } while (rc);
 
     if (!PHYSFS_deinit())