Added fopen() and fclose() leak tracking

lib/memdebug.c

@@ -151,4 +151,20 @@ int curl_sclose(int sockfd, int line, char *source)
   return sockfd;
 }
 
+FILE *curl_fopen(char *file, char *mode, int line, char *source)
+{
+  FILE *res=(fopen)(file, mode);
+  fprintf(logfile?logfile:stderr, "FILE %s:%d fopen(\"%s\") = %p\n",
+          source, line, file, res);
+  return res;
+}
+
+int curl_fclose(FILE *file, int line, char *source)
+{
+  int res=(fclose)(file);
+  fprintf(logfile?logfile:stderr, "FILE %s:%d fclose(%p)\n",
+          source, line, file);
+  return res;
+}
+
 #endif /* MALLOCDEBUG */

lib/memdebug.h

 #ifdef MALLOCDEBUG
+
+#include <sys/socket.h>
+#include <stdio.h>
+
 /* memory functions */
 void *curl_domalloc(size_t size, int line, char *source);
 void *curl_dorealloc(void *ptr, size_t size, int line, char *source);
@@ -12,6 +16,10 @@ int curl_sclose(int sockfd, int, char *);
 int curl_accept(int s, struct sockaddr *addr, int *addrlen,
                 int line, char *source);
 
+/* FILE functions */
+FILE *curl_fopen(char *file, char *mode, int line, char *source);
+int curl_fclose(FILE *file, int line, char *source);
+
 /* Set this symbol on the command-line, recompile all lib-sources */
 #define strdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)
 #define malloc(size) curl_domalloc(size, __LINE__, __FILE__)
@@ -27,4 +35,8 @@ int curl_accept(int s, struct sockaddr *addr, int *addrlen,
 #undef sclose
 #define sclose(sockfd) curl_sclose(sockfd,__LINE__,__FILE__)
 
+#undef fopen
+#define fopen(file,mode) curl_fopen(file,mode,__LINE__,__FILE__)
+#define fclose(file) curl_fclose(file,__LINE__,__FILE__)
+
 #endif