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Diffstat (limited to 'libio/tst-ftell-append.c')
-rw-r--r-- | libio/tst-ftell-append.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/libio/tst-ftell-append.c b/libio/tst-ftell-append.c deleted file mode 100644 index 7ffdf346b3..0000000000 --- a/libio/tst-ftell-append.c +++ /dev/null @@ -1,169 +0,0 @@ -/* Verify that ftell returns the correct value after a read and a write on a - file opened in a+ mode. - Copyright (C) 2014-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -#include <locale.h> -#include <wchar.h> - -/* data points to either char_data or wide_data, depending on whether we're - testing regular file mode or wide mode respectively. Similarly, - fputs_func points to either fputs or fputws. data_len keeps track of the - length of the current data and file_len maintains the current file - length. */ -#define BUF_LEN 4 -static void *buf; -static char char_buf[BUF_LEN]; -static wchar_t wide_buf[BUF_LEN]; -static const void *data; -static const char *char_data = "abcdefghijklmnopqrstuvwxyz"; -static const wchar_t *wide_data = L"abcdefghijklmnopqrstuvwxyz"; -static size_t data_len; -static size_t file_len; - -typedef int (*fputs_func_t) (const void *data, FILE *fp); -fputs_func_t fputs_func; - -typedef void *(*fgets_func_t) (void *s, int size, FILE *stream); -fgets_func_t fgets_func; - -static int do_test (void); - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" - -static FILE * -init_file (const char *filename) -{ - FILE *fp = fopen (filename, "w"); - if (fp == NULL) - { - printf ("fopen: %m\n"); - return NULL; - } - - int written = fputs_func (data, fp); - - if (written == EOF) - { - printf ("fputs failed to write data\n"); - fclose (fp); - return NULL; - } - - file_len = data_len; - - fclose (fp); - - fp = fopen (filename, "a+"); - if (fp == NULL) - { - printf ("fopen(a+): %m\n"); - return NULL; - } - - return fp; -} - -static int -do_one_test (const char *filename) -{ - FILE *fp = init_file (filename); - - if (fp == NULL) - return 1; - - void *ret = fgets_func (buf, BUF_LEN, fp); - - if (ret == NULL) - { - printf ("read failed: %m\n"); - fclose (fp); - return 1; - } - - int written = fputs_func (data, fp); - - if (written == EOF) - { - printf ("fputs failed to write data\n"); - fclose (fp); - return 1; - } - - file_len += data_len; - - long off = ftell (fp); - - if (off != file_len) - { - printf ("Incorrect offset %ld, expected %zu\n", off, file_len); - fclose (fp); - return 1; - } - else - printf ("Correct offset %ld after write.\n", off); - - return 0; -} - -/* Run the tests for regular files and wide mode files. */ -static int -do_test (void) -{ - int ret = 0; - char *filename; - int fd = create_temp_file ("tst-ftell-append-tmp.", &filename); - - if (fd == -1) - { - printf ("create_temp_file: %m\n"); - return 1; - } - - close (fd); - - /* Tests for regular files. */ - puts ("Regular mode:"); - fputs_func = (fputs_func_t) fputs; - fgets_func = (fgets_func_t) fgets; - data = char_data; - buf = char_buf; - data_len = strlen (char_data); - ret |= do_one_test (filename); - - /* Tests for wide files. */ - puts ("Wide mode:"); - if (setlocale (LC_ALL, "en_US.UTF-8") == NULL) - { - printf ("Cannot set en_US.UTF-8 locale.\n"); - return 1; - } - fputs_func = (fputs_func_t) fputws; - fgets_func = (fgets_func_t) fgetws; - data = wide_data; - buf = wide_buf; - data_len = wcslen (wide_data); - ret |= do_one_test (filename); - - return ret; -} |