1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2002 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program 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 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 /* 01/02/2003 Port to LTP avenkat (at) us.ibm.com*/ 21 /* 06/30/2001 Port to Linux nsharoff (at) us.ibm.com */ 22 23 /* 24 * NAME 25 * mallopt 26 * 27 * CALLS 28 * malloc(3x), mallopt(3x), mallinfo(3x). 29 * 30 * ALGORITHM 31 * Set options, malloc memory, and check resource ussage. 32 * 33 * RESTRICTIONS 34 */ 35 36 #ifdef CONFIG_COLDFIRE 37 #define __MALLOC_STANDARD__ 38 #endif 39 #include <errno.h> 40 /* 41 * NOTE: struct mallinfo is only exported via malloc.h (not stdlib.h), even 42 * though it's an obsolete header for malloc(3). 43 * 44 * Inconsistencies rock. 45 */ 46 #include <malloc.h> 47 #include <stdio.h> 48 49 #include "test.h" 50 #include "safe_macros.h" 51 52 #define FAILED 0 53 #define PASSED 1 54 #define MAX_FAST_SIZE (80 * sizeof(size_t) / 4) 55 56 int local_flag = PASSED; 57 58 char *TCID = "mallopt01"; 59 int block_number; 60 FILE *temp; 61 int TST_TOTAL = 6; 62 extern int tst_COUNT; /* Test Case counter for tst_routines */ 63 64 void printinfo(); 65 66 #if !defined(UCLINUX) 67 struct mallinfo info; 68 69 int main(int argc, char *argv[]) 70 { 71 char *buf; 72 73 tst_parse_opts(argc, argv, NULL, NULL); 74 75 tst_tmpdir(); 76 77 buf = SAFE_MALLOC(NULL, 20480); 78 79 /* 80 * Check space usage. 81 */ 82 83 info = mallinfo(); 84 if (info.uordblks < 20480) { 85 printinfo(); 86 tst_resm(TFAIL, "mallinfo failed: uordblks < 20K"); 87 } 88 if (info.smblks != 0) { 89 printinfo(); 90 tst_resm(TFAIL, "mallinfo failed: smblks != 0"); 91 } 92 if (info.uordblks >= 20480 && info.smblks == 0) 93 tst_resm(TPASS, "mallinfo() succeeded"); 94 free(buf); 95 96 /* 97 * Test mallopt's M_MXFAST and M_NLBLKS cmds. 98 */ 99 100 if (mallopt(M_MXFAST, MAX_FAST_SIZE) == 0) 101 tst_resm(TFAIL, "mallopt(M_MXFAST, %d) failed", (int)MAX_FAST_SIZE); 102 else 103 tst_resm(TPASS, "mallopt(M_MXFAST, %d) succeeded", (int)MAX_FAST_SIZE); 104 105 if (mallopt(M_NLBLKS, 50) == 0) 106 tst_resm(TFAIL, "mallopt(M_NLBLKS, 50) failed"); 107 else 108 tst_resm(TPASS, "mallopt(M_NLBLKS, 50) succeeded"); 109 110 if ((buf = malloc(1024)) == NULL) { 111 tst_resm(TFAIL, "malloc(1024) failed"); 112 } else { 113 tst_resm(TPASS, "malloc(1024) succeeded"); 114 free(buf); 115 } 116 117 if (mallopt(M_MXFAST, 0) == 0) 118 tst_resm(TFAIL, "mallopt(M_MXFAST, 0) failed"); 119 else 120 tst_resm(TPASS, "mallopt(M_MXFAST, 0) succeeded"); 121 122 if ((buf = malloc(1024)) == NULL) { 123 tst_resm(TFAIL, "malloc(1024) failed"); 124 } else { 125 tst_resm(TPASS, "malloc(1024) succeeded"); 126 free(buf); 127 } 128 129 unlink("core"); 130 tst_rmdir(); 131 tst_exit(); 132 } 133 134 void printinfo(void) 135 { 136 137 fprintf(stderr, "mallinfo structure:\n"); 138 fprintf(stderr, "mallinfo.arena = %d\n", info.arena); 139 fprintf(stderr, "mallinfo.ordblks = %d\n", info.ordblks); 140 fprintf(stderr, "mallinfo.smblks = %d\n", info.smblks); 141 fprintf(stderr, "mallinfo.hblkhd = %d\n", info.hblkhd); 142 fprintf(stderr, "mallinfo.hblks = %d\n", info.hblks); 143 fprintf(stderr, "mallinfo.usmblks = %d\n", info.usmblks); 144 fprintf(stderr, "mallinfo.fsmblks = %d\n", info.fsmblks); 145 fprintf(stderr, "mallinfo.uordblks = %d\n", info.uordblks); 146 fprintf(stderr, "mallinfo.fordblks = %d\n", info.fordblks); 147 fprintf(stderr, "mallinfo.keepcost = %d\n", info.keepcost); 148 } 149 150 #else 151 int main(void) 152 { 153 tst_brkm(TCONF, NULL, "test is not available on uClinux"); 154 } 155 #endif /* if !defined(UCLINUX) */ 156
