/* Copyright (c) 2009 Aleksandar Kanchev All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* $Id$ */ #include #include "../../libc/stdlib/stdlib_private.h" /* Test code from bug # */ int main(void) { char *p, *p1; /* Step 1: test with just one free chunk */ p = malloc(20); if (!p) return 1; /* releasing 10 bytes returns them from the heap */ p1 = realloc(p, 10); if (p != p1) return 2; if (__flp) return 3; /* should extend the free chunk */ p = malloc(15); if (!p) return 4; /* should be empty */ if (__flp) return 5; /* should be the following chunk */ p1 += 10 + sizeof(size_t); if (p != p1) return 6; /* should point right after the last chunk */ p += 15; if (p != __brkval) return 7; /* Step 2: Test with 2 free chunks. */ p = malloc(8); if (!p) return 8; p1 = malloc(9); if (!p1) return 9; free(p); p = malloc(20); if (!p) return 10; if (!__flp) return 11; p1 = realloc(p, 10); if (p1 != p) return 12; if (!__flp) return 13; if (__flp->nx) return 14; p = malloc(15); if (!p) return 15; if (!__flp) return 16; if (__flp->nx) return 17; p1 += 10 + sizeof(size_t); if (p != p1) return 18; p += 15; if (p != __brkval) return 19; return 0; }