diff options
Diffstat (limited to 'libio/tst-wmemstream1.c')
-rw-r--r-- | libio/tst-wmemstream1.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libio/tst-wmemstream1.c b/libio/tst-wmemstream1.c index f8b308bc6c..f80655b2a4 100644 --- a/libio/tst-wmemstream1.c +++ b/libio/tst-wmemstream1.c @@ -1,5 +1,40 @@ #include <wchar.h> +extern int fclose (FILE*); + +#if defined __GNUC__ && __GNUC__ >= 11 +/* Verify that calling fclose on the result of open_wmemstream doesn't + trigger GCC -Wmismatched-dealloc with fclose forward-declared and + without <stdio.h> included first (it is included later, in. + "tst-memstream1.c"). */ +#pragma GCC diagnostic push +#pragma GCC diagnostic error "-Wmismatched-dealloc" +#endif + +int test_open_wmemstream_no_stdio (void) +{ + { + wchar_t *buf; + size_t size; + FILE *f = open_wmemstream (&buf, &size); + fclose (f); + } + + { + FILE* (*pf)(wchar_t**, size_t*) = open_wmemstream; + wchar_t *buf; + size_t size; + FILE *f = pf (&buf, &size); + fclose (f); + } + return 0; +} + +#if defined __GNUC__ && __GNUC__ >= 11 +/* Restore -Wmismatched-dealloc setting. */ +# pragma GCC diagnostic pop +#endif + #define CHAR_T wchar_t #define W(o) L##o #define OPEN_MEMSTREAM open_wmemstream |