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-rw-r--r--lib/memdebug.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/memdebug.c b/lib/memdebug.c
index 83cc5d307..ba3c964c9 100644
--- a/lib/memdebug.c
+++ b/lib/memdebug.c
@@ -204,7 +204,7 @@ void curl_dofree(void *ptr, int line, const char *source)
int curl_socket(int domain, int type, int protocol, int line, char *source)
{
int sockfd=(socket)(domain, type, protocol);
- if(logfile)
+ if(logfile && (sockfd!=-1))
fprintf(logfile, "FD %s:%d socket() = %d\n",
source, line, sockfd);
return sockfd;