From 184ad46a27dc65a82faa2cda76fe91bcca3404cf Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 18 Dec 2000 16:13:37 +0000
Subject: [PATCH] fixed accept() for memory debugging

---
 lib/ftp.c      | 2 ++
 lib/memdebug.c | 9 +++++++++
 lib/memdebug.h | 4 ++++
 memanalyze.pl  | 5 +++++
 4 files changed, 20 insertions(+)

diff --git a/lib/ftp.c b/lib/ftp.c
index 705d090c8..93f1d3048 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -197,6 +197,8 @@ static CURLcode AllowServerConnect(struct UrlData *data,
       getsockname(sock, (struct sockaddr *) &add, (int *)&size);
       s=accept(sock, (struct sockaddr *) &add, (int *)&size);
 
+      sclose(sock); /* close the first socket */
+
       if( -1 == s) {
 	/* DIE! */
 	failf(data, "Error accept()ing server connect");
diff --git a/lib/memdebug.c b/lib/memdebug.c
index cbd860ec1..1bd945e0d 100644
--- a/lib/memdebug.c
+++ b/lib/memdebug.c
@@ -133,6 +133,15 @@ int curl_socket(int domain, int type, int protocol, int line, char *source)
   return sockfd;
 }
 
+int curl_accept(int s, struct sockaddr *addr, int *addrlen,
+                int line, char *source)
+{
+  int sockfd=(accept)(s, addr, addrlen);
+  fprintf(logfile?logfile:stderr, "FD %s:%d accept() = %d\n",
+          source, line, sockfd);
+  return sockfd;
+}
+
 /* this is our own defined way to close sockets on *ALL* platforms */
 int curl_sclose(int sockfd, int line, char *source)
 {
diff --git a/lib/memdebug.h b/lib/memdebug.h
index 21330a0b2..86271b5b2 100644
--- a/lib/memdebug.h
+++ b/lib/memdebug.h
@@ -9,6 +9,8 @@ void curl_memdebug(char *logname);
 /* file descriptor manipulators */
 int curl_socket(int domain, int type, int protocol, int, char *);
 int curl_sclose(int sockfd, int, char *);
+int curl_accept(int s, struct sockaddr *addr, int *addrlen,
+                int line, char *source);
 
 /* Set this symbol on the command-line, recompile all lib-sources */
 #define strdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)
@@ -18,6 +20,8 @@ int curl_sclose(int sockfd, int, char *);
 
 #define socket(domain,type,protocol)\
  curl_socket(domain,type,protocol,__LINE__,__FILE__)
+#define accept(sock,addr,len)\
+ curl_accept(sock,addr,len,__LINE__,__FILE__)
 
 /* sclose is probably already defined, redefine it! */
 #undef sclose
diff --git a/memanalyze.pl b/memanalyze.pl
index 48fff8f27..aa8dddb13 100755
--- a/memanalyze.pl
+++ b/memanalyze.pl
@@ -84,6 +84,11 @@ while(<STDIN>) {
             $getfile{$1}="$source:$linenum";
             $openfile++;
         }
+        elsif($function =~ /accept\(\) = (\d*)/) {
+            $filedes{$1}=1;
+            $getfile{$1}="$source:$linenum";
+            $openfile++;
+        }
         elsif($function =~ /sclose\((\d*)\)/) {
             if($filedes{$1} != 1) {
                 print "Close without open: $line\n";