aboutsummaryrefslogtreecommitdiff
path: root/stdio-common/tst-fmemopen3.c
diff options
context:
space:
mode:
Diffstat (limited to 'stdio-common/tst-fmemopen3.c')
-rw-r--r--stdio-common/tst-fmemopen3.c322
1 files changed, 0 insertions, 322 deletions
diff --git a/stdio-common/tst-fmemopen3.c b/stdio-common/tst-fmemopen3.c
deleted file mode 100644
index f38b288137..0000000000
--- a/stdio-common/tst-fmemopen3.c
+++ /dev/null
@@ -1,322 +0,0 @@
-/* fmemopen tests for append and read mode.
- Copyright (C) 2015-2017 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 <assert.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-
-static void
-print_buffer (const char *s, size_t n)
-{
- size_t i;
- printf ("{");
- for (i=0; i<n; ++i)
- {
- printf ("0x%02X (%c)", s[i], s[i]);
- if (i != n)
- printf (", ");
- }
-}
-
-/* This test check append mode initial position (a/a+) based on POSIX defition
- (BZ#6544 and BZ#13151). */
-static int
-do_test_write_append (const char *mode)
-{
- char buf[32] = "testing buffer";
- char exp[32] = "testing bufferXX";
-
- FILE *fp = fmemopen (buf, sizeof (buf), mode);
-
- fflush (fp);
- fprintf (fp, "X");
- fseek (fp, 0, SEEK_SET);
- fprintf (fp, "X");
- fclose (fp);
-
- if (strcmp (buf, exp) != 0)
- {
- printf ("%s: check failed: %s != %s\n", __FUNCTION__, buf, exp);
- return 1;
- }
-
- return 0;
-}
-
-/* This test check append mode initial position (a/a+) based on POSIX defition
- (BZ#6544 and BZ#13151) for buffer without null byte end. */
-static int
-do_test_write_append_without_null (const char *mode)
-{
- char buf[] = { 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55 };
- char exp[] = { 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55 };
-
- /* If '\0' is not found in buffer, POSIX states that SEEK_SET should be
- the size argument. */
- FILE *fp = fmemopen (buf, sizeof (buf) - 2, "a");
-
- fflush (fp);
- fputc (0x70, fp);
- fseek (fp, 0, SEEK_SET);
- fputc (0x70, fp);
- fputc (0x70, fp);
- fclose (fp);
-
- /* POSIX also states that a write operation on the stream shall not advance
- the current buffer size beyond the size given in fmemopen, so the string
- should be same. */
- if (memcmp (buf, exp, sizeof (buf)) != 0)
- {
- printf ("%s: check failed: ", __FUNCTION__);
- print_buffer (buf, sizeof (buf));
- printf ("!= ");
- print_buffer (exp, sizeof (exp));
- printf ("\n");
- return 1;
- }
-
- return 0;
-}
-
-/* This test check for initial position and feek value for fmemopen objects
- opened with append mode. */
-static int
-do_test_read_append (void)
-{
- char buf[32] = "testing buffer";
- size_t buflen = strlen (buf);
- long fpos;
-
- /* POSIX defines for 'a+' the initial position is the first null byte. */
- FILE *fp = fmemopen (buf, sizeof (buf), "a+");
-
- fpos = ftell (fp);
- if (fpos != buflen)
- {
- printf ("%s: ftell|SEEK_SET (fp) %li != strlen (%s) %zu\n",
- __FUNCTION__, fpos, buf, buflen);
- fclose (fp);
- return 1;
- }
-
- fseek (fp, 0, SEEK_END);
-
- if (fpos != buflen)
- {
- printf ("%s: ftell|SEEK_END (fp) %li != strlen (%s) %zu\n",
- __FUNCTION__, fpos, buf, buflen);
- fclose (fp);
- return 1;
- }
- fclose (fp);
-
- /* Check if attempting to read past the current size, defined as strlen (buf)
- yield an EOF. */
- fp = fmemopen (buf, sizeof (buf), "a+");
- if (getc(fp) != EOF)
- {
- printf ("%s: getc(fp) != EOF\n", __FUNCTION__);
- fclose (fp);
- return -1;
- }
-
- fclose (fp);
-
- return 0;
-}
-
-/* This test check for fseek (SEEK_END) using negative offsets (BZ#14292). The
- starting position of descriptor is different base on the opening mode. */
-static int
-do_test_read_seek_neg (const char *mode, const char *expected)
-{
- char buf[] = "abcdefghijklmnopqrstuvxz0123456789";
- char tmp[10];
- size_t tmps = sizeof (tmps);
- long offset = -11;
-
- FILE *fp = fmemopen (buf, sizeof (buf), mode);
- fseek (fp, offset, SEEK_END);
- fread (tmp, tmps, 1, fp);
-
- if (memcmp (tmp, expected, tmps) != 0)
- {
- printf ("%s: fmemopen(%s) - fseek (fp, %li, SEEK_END):\n",
- __FUNCTION__, mode, offset);
- printf (" returned: ");
- print_buffer (tmp, tmps);
- printf ("\n");
- printf (" expected: ");
- print_buffer (expected, tmps);
- printf ("\n");
- return 1;
- }
-
- fclose (fp);
-
- return 0;
-}
-
-static int
-do_test_read_seek_negative (void)
-{
- int ret = 0;
-
- /* 'r' and 'w' modes defines the initial position at the buffer start and
- seek with SEEK_END shall seek relative to its size give in fmemopen
- call. The expected tmp result is 0 to 9 *without* the ending null */
- ret += do_test_read_seek_neg ("r", "0123456789");
- /* 'a+' mode sets the initial position at the first null byte in buffer and
- SEEK_END shall seek relative to its size as well. The expected result is
- z012345678, since SEEK_END plus a+ start at '\0', not size. */
- ret += do_test_read_seek_neg ("a+", "z012345678");
-
- return ret;
-}
-
-static int
-do_test_write_append_2 (const char *str)
-{
- char buf[10];
- size_t strn = strlen (str);
- strcpy (buf, str);
-
- FILE *fp = fmemopen (buf, sizeof (buf), "a+");
- size_t r = ftell (fp);
- size_t e = strlen (buf);
- if (r != e)
- {
- printf ("%s: ftell returned %zu, expected %zu\n", __FUNCTION__, r, e);
- return 1;
- }
-
- if (fseek (fp, 0, SEEK_SET) == -1)
- {
- printf ("%s: fseek returned -1\n", __FUNCTION__);
- return 1;
- }
-
- int gr;
- for (int i=0; i<strn; ++i)
- {
- if ((gr = getc (fp)) != str[i])
- {
- printf ("%s: getc failed returned %d, expected %d\n", __FUNCTION__,
- gr, str[i]);
- return 1;
- }
- }
- if ((gr = getc (fp)) != EOF)
- {
- printf ("%s: getc failed returned %d, expected EOF\n", __FUNCTION__,
- gr);
- return 1;
- }
-
- if (fseek (fp, e+1, SEEK_SET) == -1)
- {
- printf ("%s: fseek returned -1\n", __FUNCTION__);
- return 1;
- }
-
- if ((r = ftell (fp)) != e+1)
- {
- printf ("%s: ftell returned %zu, expected %zu\n", __FUNCTION__, r, e+1);
- return 1;
- }
-
- if ((gr = getc (fp)) != EOF)
- {
- printf ("%s: getc failed returned %i\n", __FUNCTION__, gr);
- return 1;
- }
-
- /* Check if internal position is not changed with a getc returning EOF. */
- if ((r = ftell (fp)) != e+1)
- {
- printf ("%s: ftell returned %zu, expected %zu\n", __FUNCTION__, r, e+1);
- return 1;
- }
-
- if (fseek (fp, 0, SEEK_CUR) == -1)
- {
- printf ("%s: fseek returned -1\n", __FUNCTION__);
- return 1;
- }
-
- /* This should be overwritten by fprintf + fflush. */
- buf[e+2] = 'X';
-
- if ((r = fprintf (fp, "%d", 101)) != 3)
- {
- printf ("%s: fprintf returned %zu, expected %d\n", __FUNCTION__, r, 3);
- return 1;
- }
-
- fflush (fp);
-
- /* Check if internal position is changed by 3 (strlen of '101'). */
- if ((r = ftell (fp)) != e+3)
- {
- printf ("%s: ftell returned %zu, expected %zu\n", __FUNCTION__, r, e+3);
- return 1;
- }
-
- char exp[20];
- sprintf (exp, "%s%d", str, 101);
- if (memcmp (buf, exp, strlen (exp)) != 0)
- {
- printf ("%s: check failed:", __FUNCTION__);
- printf ("\nexpected: ");
- print_buffer (buf, sizeof (buf));
- printf ("\nbuffer: ");
- print_buffer (exp, sizeof (exp));
- printf ("\n");
- return 1;
- }
-
- fclose(fp);
-
- return 0;
-}
-
-static int
-do_test (void)
-{
- int ret = 0;
-
- ret += do_test_write_append ("a");
- ret += do_test_write_append_without_null ("a");
- ret += do_test_write_append ("a+");
- ret += do_test_write_append_without_null ("a+");
-
- ret += do_test_read_append ();
-
- ret += do_test_read_seek_negative ();
-
- /* First test plus addend will fit in the define buffer of size 10. */
- ret += do_test_write_append_2 ("test");
- /* The second test will also fit, but not the final '\0'. */
- ret += do_test_write_append_2 ("testing");
-
- return ret;
-}
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"