| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2002 Manuel Novoa III |
| 2 | * An __assert() function compatible with the modified glibc assert.h |
| 3 | * that is used by uClibc. |
| 4 | * |
| 5 | * This library is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Library General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This library is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * Library General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Library General Public |
| 16 | * License along with this library; if not, write to the Free |
| 17 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 18 | */ |
| 19 | |
| 20 | /* Oct 28, 2002 |
| 21 | * |
| 22 | * ANSI/ISO C99 requires assert() to write to stderr. This means that |
| 23 | * writing to STDERR_FILENO is insufficient, as the user could freopen |
| 24 | * stderr. It is also insufficient to output to fileno(stderr) since |
| 25 | * this would fail in the custom stream case. I didn't remove the |
| 26 | * old code though, as it doesn't use stdio stream functionality |
| 27 | * and is useful in debugging the stdio code. |
| 28 | */ |
| 29 | |
| 30 | #include <stdio.h> |
| 31 | #include <stdlib.h> |
| 32 | #include <unistd.h> |
| 33 | |
| 34 | /* Get the prototype from assert.h as a double-check. */ |
| 35 | #undef NDEBUG |
| 36 | #include <assert.h> |
| 37 | #undef assert |
| 38 | |
| 39 | |
| 40 | #define ASSERT_SHOW_PROGNAME 1 |
| 41 | |
| 42 | static smallint in_assert; /* bss inits to 0. */ |
| 43 | |
| 44 | void __assert(const char *assertion, const char * filename, |
| 45 | unsigned int linenumber, register const char * function) |
| 46 | { |
| 47 | if (!in_assert) { |
| 48 | in_assert = 1; |
| 49 | |
| 50 | fprintf(stderr, |
| 51 | #ifdef ASSERT_SHOW_PROGNAME |
| 52 | "%s: %s: %d: %s: Assertion `%s' failed.\n", __uclibc_progname, |
| 53 | #else |
| 54 | "%s: %d: %s: Assertion `%s' failed.\n", |
| 55 | #endif |
| 56 | filename, |
| 57 | linenumber, |
| 58 | /* Function name isn't available with some compilers. */ |
| 59 | ((function == NULL) ? "?function?" : function), |
| 60 | assertion |
| 61 | ); |
| 62 | } |
| 63 | /* shouldn't we? fflush(stderr); */ |
| 64 | abort(); |
| 65 | } |
| 66 | libc_hidden_def(__assert) |