diff options
Diffstat (limited to 'src/stdio/_stdio.h')
| -rw-r--r-- | src/stdio/_stdio.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/stdio/_stdio.h b/src/stdio/_stdio.h index cf53179d..f02715c6 100644 --- a/src/stdio/_stdio.h +++ b/src/stdio/_stdio.h @@ -34,7 +34,16 @@ #else #define ASSERT_STREAM(__stream, __orientation, __operation) do { \ ASSERT_NONNULL(__stream); \ - if (((__orientation) && stream->orientation) && ((__orientation) != stream->orientation)) { \ + if ((__stream)->fd == -1) { \ + UNDEFINED("In call to %s: Stream is not open (use after close?)", __func__); \ + } \ + if (((__operation) == OP_INPUT) && !(__stream)->read) { \ + UNDEFINED("In call to %s: Attempted input operation on output stream", __func__); \ + } \ + if (((__operation) == OP_OUTPUT) && !(__stream)->write) { \ + UNDEFINED("In call to %s: Attempted output operation on input stream", __func__); \ + } \ + if (((__orientation) && (__stream)->orientation) && ((__orientation) != (__stream)->orientation)) { \ UNDEFINED("In call to %s(): Requested %s operation on %s oriented stream", __func__, (__orientation) > 0 ? "wide" : "byte", (stream->orientation) > 0 ? "wide" : "byte"); \ } \ } while (0) |