swrap: Add fopen64() on systems which provide it

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/src/socket_wrapper.c b/src/socket_wrapper.c
index b22bd2f4bdddd7eefbbc863110845396b70f35d9..395d0d79424b2e7125893f2f2c9954df9efb5205 100644 (file)
--- a/src/socket_wrapper.c
+++ b/src/socket_wrapper.c
@@ -421,6 +421,9 @@ typedef int (*__libc_dup)(int fd);
 typedef int (*__libc_dup2)(int oldfd, int newfd);
 typedef int (*__libc_fcntl)(int fd, int cmd, ...);
 typedef FILE *(*__libc_fopen)(const char *name, const char *mode);
+#ifdef HAVE_FOPEN64
+typedef FILE *(*__libc_fopen64)(const char *name, const char *mode);
+#endif
 #ifdef HAVE_EVENTFD
 typedef int (*__libc_eventfd)(int count, int flags);
 #endif
@@ -496,6 +499,9 @@ struct swrap_libc_symbols {
        SWRAP_SYMBOL_ENTRY(dup2);
        SWRAP_SYMBOL_ENTRY(fcntl);
        SWRAP_SYMBOL_ENTRY(fopen);
+#ifdef HAVE_FOPEN64
+       SWRAP_SYMBOL_ENTRY(fopen64);
+#endif
 #ifdef HAVE_EVENTFD
        SWRAP_SYMBOL_ENTRY(eventfd);
 #endif
@@ -858,6 +864,15 @@ static FILE *libc_fopen(const char *name, const char *mode)
        return swrap.libc.symbols._libc_fopen.f(name, mode);
 }
 
+#ifdef HAVE_FOPEN64
+static FILE *libc_fopen64(const char *name, const char *mode)
+{
+       swrap_bind_symbol_libc(fopen64);
+
+       return swrap.libc.symbols._libc_fopen64.f(name, mode);
+}
+#endif /* HAVE_FOPEN64 */
+
 static int libc_vopen(const char *pathname, int flags, va_list ap)
 {
        long int mode = 0;
@@ -3597,6 +3612,31 @@ FILE *fopen(const char *name, const char *mode)
        return swrap_fopen(name, mode);
 }
 
+/****************************************************************************
+ *   FOPEN64
+ ***************************************************************************/
+
+#ifdef HAVE_FOPEN64
+static FILE *swrap_fopen64(const char *name, const char *mode)
+{
+       FILE *fp;
+
+       fp = libc_fopen64(name, mode);
+       if (fp != NULL) {
+               int fd = fileno(fp);
+
+               swrap_remove_stale(fd);
+       }
+
+       return fp;
+}
+
+FILE *fopen64(const char *name, const char *mode)
+{
+       return swrap_fopen64(name, mode);
+}
+#endif /* HAVE_FOPEN64 */
+
 /****************************************************************************
  *   OPEN
  ***************************************************************************/