diff options
-rw-r--r-- | file_io/unix/filedup.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/file_io/unix/filedup.c b/file_io/unix/filedup.c index 797f8045f..c68d2e970 100644 --- a/file_io/unix/filedup.c +++ b/file_io/unix/filedup.c @@ -20,6 +20,8 @@ #include "apr_thread_mutex.h" #include "apr_arch_inherit.h" +#include <assert.h> + static apr_status_t file_dup(apr_file_t **new_file, apr_file_t *old_file, apr_pool_t *p, int which_dup) @@ -29,6 +31,8 @@ static apr_status_t file_dup(apr_file_t **new_file, int flags = 0; #endif + assert(which_dup == 1 || which_dup == 2); + if (which_dup == 2) { if ((*new_file) == NULL) { /* We can't dup2 unless we have a valid new_file */ |