| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Test for ,ccs= handling in fopen. |
| 2 | Copyright (C) 2001-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001. |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <errno.h> |
| 21 | #include <locale.h> |
| 22 | #include <mcheck.h> |
| 23 | #include <stdio.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <string.h> |
| 26 | #include <wchar.h> |
| 27 | #include <sys/resource.h> |
| 28 | |
| 29 | |
| 30 | static const char inputfile[] = "../iconvdata/testdata/ISO-8859-1"; |
| 31 | |
| 32 | static int |
| 33 | do_bz17916 (void) |
| 34 | { |
| 35 | /* BZ #17916 -- check invalid large ccs= case. */ |
| 36 | struct rlimit rl; |
| 37 | getrlimit (RLIMIT_STACK, &rl); |
| 38 | rl.rlim_cur = 1024 * 1024; |
| 39 | setrlimit (RLIMIT_STACK, &rl); |
| 40 | |
| 41 | const size_t sz = 2 * 1024 * 1024; |
| 42 | char *ccs = malloc (sz); |
| 43 | strcpy (ccs, "r,ccs="); |
| 44 | memset (ccs + 6, 'A', sz - 6 - 1); |
| 45 | ccs[sz - 1] = '\0'; |
| 46 | |
| 47 | FILE *fp = fopen (inputfile, ccs); |
| 48 | if (fp != NULL) |
| 49 | { |
| 50 | printf ("unxpected success\n"); |
| 51 | return 1; |
| 52 | } |
| 53 | free (ccs); |
| 54 | |
| 55 | return 0; |
| 56 | } |
| 57 | |
| 58 | static int |
| 59 | do_test (void) |
| 60 | { |
| 61 | FILE *fp; |
| 62 | |
| 63 | mtrace (); |
| 64 | |
| 65 | setlocale (LC_ALL, "de_DE.UTF-8"); |
| 66 | |
| 67 | fp = fopen (inputfile, "r,ccs=ISO-8859-1"); |
| 68 | if (fp == NULL) |
| 69 | { |
| 70 | printf ("cannot open \"%s\": %s\n", inputfile, strerror (errno)); |
| 71 | exit (1); |
| 72 | } |
| 73 | |
| 74 | while (! feof_unlocked (fp)) |
| 75 | { |
| 76 | wchar_t buf[200]; |
| 77 | |
| 78 | if (fgetws_unlocked (buf, sizeof (buf) / sizeof (buf[0]), fp) == NULL) |
| 79 | break; |
| 80 | |
| 81 | fputws (buf, stdout); |
| 82 | } |
| 83 | |
| 84 | fclose (fp); |
| 85 | |
| 86 | return do_bz17916 (); |
| 87 | } |
| 88 | |
| 89 | #define TEST_FUNCTION do_test () |
| 90 | #include "../test-skeleton.c" |