libc/stdio: Rework custom streams interface similar to glibc.

[uclinux-h8/uclibc-ng.git] / libc / stdio / fread.c

diff --git a/libc/stdio/fread.c b/libc/stdio/fread.c
index f8bea5a..2a8de6d 100644 (file)
--- a/libc/stdio/fread.c
+++ b/libc/stdio/fread.c
@@ -15,7 +15,7 @@ size_t fread_unlocked(void * __restrict ptr, size_t size, size_t nmemb,
                                                FILE * __restrict stream)
 {
        __STDIO_STREAM_VALIDATE(stream);
-       assert(stream->__filedes >= -1);
+       assert(stream->__filedes >= -2);
 
        /* Note: If nmbem * size > SIZE_MAX then there is an application
         * bug since no array can be larger than SIZE_MAX in size. */