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-rw-r--r--ip/ip.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ip/ip.c b/ip/ip.c
index fd68cf4..7123fa5 100644
--- a/ip/ip.c
+++ b/ip/ip.c
@@ -10,7 +10,7 @@ main()
printf("Content-type: %s\r\n\r\n", "text/plain");
- if (ra = getenv("REMOTE_ADDR"))
+ if ((ra = getenv("REMOTE_ADDR")) != NULL)
printf("%s\n", ra);
return 0;