diff options
Diffstat (limited to 'stdio-common/tst-put-error.c')
-rw-r--r-- | stdio-common/tst-put-error.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/stdio-common/tst-put-error.c b/stdio-common/tst-put-error.c new file mode 100644 index 0000000000..a93008c8c5 --- /dev/null +++ b/stdio-common/tst-put-error.c @@ -0,0 +1,33 @@ +#include <errno.h> +#include <error.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + + +static int +do_test (void) +{ + char tmpl[] = "/tmp/tst-put-error.XXXXXX"; + int fd = mkstemp (tmpl); + if (fd == -1) + error (EXIT_FAILURE, errno, "cannot create temporary file"); + FILE *fp = fdopen (fd, "w"); + if (fp == NULL) + error (EXIT_FAILURE, errno, "fdopen"); + setlinebuf (fp); + close (fd); + unlink ("aaa"); + int n = fprintf (fp, "hello world\n"); + printf ("fprintf = %d\n", n); + if (n >= 0) + error (EXIT_FAILURE, 0, "first fprintf succeeded"); + n = fprintf (fp, "hello world\n"); + printf ("fprintf = %d\n", n); + if (n >= 0) + error (EXIT_FAILURE, 0, "second fprintf succeeded"); + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |