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annotate packages/services/memalloc/common/current/tests/malloc2.c @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
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1 //=================================================================
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2 //
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3 // malloc2.c
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4 //
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5 // Stress testcase for C library malloc(), calloc() and free()
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6 //
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7 //=================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //=================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): jlarmour
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43 // Contributors:
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44 // Date: 2000-04-30
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45 // Description: Contains testcode to stress-test C library malloc(),
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46 // calloc() and free() functions
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47 //
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48 //
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49 //####DESCRIPTIONEND####
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50
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51 // INCLUDES
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52
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53 #include <pkgconf/system.h> // Overall system configuration
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54 #include <pkgconf/memalloc.h> // config header so we can know size of malloc pool
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55 #ifdef CYGPKG_ISOINFRA
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56 # include <pkgconf/isoinfra.h>
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57 # include <stdlib.h>
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58 #endif
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59
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60 #include <cyg/infra/testcase.h>
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61
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62 #if !defined(CYGPKG_ISOINFRA)
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63 # define NA_MSG "Requires isoinfra package"
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64 #elif !CYGINT_ISO_MAIN_STARTUP
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65 # define NA_MSG "Requires main() to be called"
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66 #elif !CYGINT_ISO_MALLOC
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67 # define NA_MSG "Requires malloc"
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68 #elif !CYGINT_ISO_MALLINFO
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69 # define NA_MSG "Requires mallinfo"
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70 #endif
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71
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72 #ifdef NA_MSG
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73 void
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74 cyg_start(void)
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75 {
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76 CYG_TEST_INIT();
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77 CYG_TEST_NA( NA_MSG );
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78 CYG_TEST_FINISH("Done");
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79 }
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80 #else
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81
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82 // CONSTANTS
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83
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84 #define NUM_ITERATIONS 1000
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85
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86 // GLOBALS
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87
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88 static int problem=0;
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89
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90 // FUNCTIONS
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91
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92 extern int
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93 cyg_memalloc_maxalloc( void );
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94
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95 static void *
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96 safe_malloc( size_t size )
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97 {
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98 void *ptr;
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99
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100 ptr=malloc(size);
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101
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102 if (ptr==NULL)
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103 {
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104 CYG_TEST_FAIL( "malloc returned NULL! "
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105 "Perhaps the allocator doesn't coalesce?" );
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106 problem++;
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107 } // if
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108
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109 return ptr;
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110 } // safe_malloc()
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111
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112
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113 static void *
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114 safe_calloc( size_t size )
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115 {
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116 void *ptr;
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117 int i;
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118
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119 ptr=calloc(size,1);
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120
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121 if (ptr==NULL)
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122 {
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123 CYG_TEST_FAIL( "calloc returned NULL! "
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124 "Perhaps the allocator doesn't coalesce" );
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125 problem++;
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126 } // if
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127 else
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128 {
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129 for (i=0; i < size; i++)
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130 {
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131 if (((char *)ptr)[i] != 0)
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132 {
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133 CYG_TEST_FAIL("calloc didn't clear data completely");
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134 problem++;
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135 return ptr;
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136 } // if
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137 } // for
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138 } // else
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139
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140 return ptr;
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141 } // safe_calloc()
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142
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143
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144 static void
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145 fill_with_data( char *buf, int size )
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146 {
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147 int i;
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148
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149 for (i=0; i < size; i++)
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150 buf[i] = 'f';
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151
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152 for (i=0; i < size; i++)
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153 if (buf[i] != 'f')
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154 {
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155 CYG_TEST_FAIL( "data written to buffer does not compare "
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156 "correctly! #1" );
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157 problem++;
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158 return;
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159 } // if
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160
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161
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162 for (i=0; i < size; i++)
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163 buf[i] = 'z';
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164
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165 for (i=0; i < size; i++)
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166 if (buf[i] != 'z')
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167 {
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168 CYG_TEST_FAIL( "data written to buffer does not compare "
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169 "correctly! #2" );
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170 problem++;
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171 return;
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172 } // if
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173
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174 } // fill_with_data()
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175
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176
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177 int
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178 main( int argc, char *argv[] )
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179 {
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180 char *str1, *str2, *str3;
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181 int j;
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182 int poolmax;
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183
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184 CYG_TEST_INIT();
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185
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186 CYG_TEST_INFO("Starting stress tests from testcase " __FILE__ " for C "
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187 "library malloc(), calloc() and free() functions");
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188
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189 poolmax = mallinfo().maxfree;
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190
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191 if ( poolmax <= 0 ) {
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192 CYG_TEST_FAIL_FINISH( "Can't determine allocation size to use" );
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193 }
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194
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195 if ( poolmax < 300 )
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196 {
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197 CYG_TEST_FAIL_FINISH("This testcase cannot safely be used with a "
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198 "memory pool for malloc less than 300 bytes");
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199 } // if
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200
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201
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202 for ( j=1; j < NUM_ITERATIONS; j++)
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203 {
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204 // if ((j % 100) == 0)
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205 // CYG_TEST_STILL_ALIVE( j, "Multiple mallocs and frees continuing" );
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206
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207
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208 str1 = (char *)safe_malloc(50);
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209 fill_with_data( str1, 50 );
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210 str2 = (char *)safe_calloc(11);
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211 fill_with_data( str2, 11 );
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212 str3 = (char *)safe_malloc(32);
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213 fill_with_data( str3, 32 );
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214
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215 free(str2);
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216 free(str1);
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217
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218 str2 = (char *)safe_calloc(11);
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219 fill_with_data( str2, 11 );
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220 free(str2);
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221
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222 str1 = (char *)safe_calloc(50);
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223 fill_with_data( str1, 50 );
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224 free(str3);
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225
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226 str3 = (char *)safe_malloc(32);
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227 fill_with_data( str3, 32 );
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228 free(str1);
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229
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230 str2 = (char *)safe_calloc(11);
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231 fill_with_data( str2, 11 );
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232 str1 = (char *)safe_malloc(50);
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233 fill_with_data( str1, 50 );
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234
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235 free(str3);
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236 free(str1);
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237 free(str2);
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238
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239 if (problem != 0)
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240 break;
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241 } // for
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242
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243 // Did it completely successfully?
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244 if (j==NUM_ITERATIONS)
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245 CYG_TEST_PASS("Stress test completed successfully");
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246
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247 CYG_TEST_FINISH("Finished stress tests from testcase " __FILE__ " for C "
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248 "library malloc(), calloc() and free() functions");
126
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249
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250 return 0;
115
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251 } // main()
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252
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253 #endif // ifndef NA_MSG
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254
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255 // EOF malloc2.c