From 34c5e4a1f1de2e755311855c1b15d1f35a1bd61f Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 4 Sep 2005 20:10:35 +0000 Subject: * stdio-common/Makefile (tests): Add tst-put-error. * stdio-common/tst-put-error.c: New file. * libio/fileops.c (_IO_new_file_xsputn): If overflow fails and no more data would have to be written signal error. * libio/oldfileops.c (_IO_old_file_xsputn): Likewise. * libio/fileops.c (_IO_new_file_overflow): Use NULL not 0. --- stdio-common/tst-put-error.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 stdio-common/tst-put-error.c (limited to 'stdio-common/tst-put-error.c') 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 +#include +#include +#include +#include + + +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" -- cgit v1.2.3