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annotate packages/language/c/libc/string/current/tests/strncat2.c @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
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children e0c0827131d1
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115
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1 //=================================================================
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2 //
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3 // strncat2.c
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4 //
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5 // Testcase for C library strncat()
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6 //
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7 //=================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //=================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): ctarpy, jlarmour
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35 // Contributors:
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36 // Date: 2000-04-30
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37 // Description: Contains testcode for C library strncat() function
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38 //
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39 //
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40 //####DESCRIPTIONEND####
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41
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42 // INCLUDES
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43
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44 #include <string.h>
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45 #include <cyg/infra/testcase.h>
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46
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47 // CONSTANTS
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48
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49 #define NUM_ROBUSTNESS_RUNS 300
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50
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51 // FUNCTIONS
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52
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53
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54 // Functions to avoid having to use libc strings
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55
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56 static int my_strlen(const char *s)
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57 {
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58 const char *ptr;
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59
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60 ptr = s;
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61 for ( ptr=s ; *ptr != '\0' ; ptr++ )
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62 ;
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63
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64 return (int)(ptr-s);
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65 } // my_strlen()
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66
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67
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68 static int my_strcmp(const char *s1, const char *s2)
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69 {
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70 for ( ; *s1 == *s2 ; s1++,s2++ )
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71 {
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72 if ( *s1 == '\0' )
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73 break;
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74 } // for
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75
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76 return (*s1 - *s2);
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77 } // my_strcmp()
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78
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79
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80 static char *my_strcpy(char *s1, const char *s2)
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81 {
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82 while (*s2 != '\0') {
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83 *(s1++) = *(s2++);
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84 }
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85 *s1 = '\0';
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86
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87 return s1;
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88 } // my_strcpy()
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89
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90
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91 int main( int argc, char *argv[] )
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92 {
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93 char x[300];
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94 char y[300];
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95 char *ret;
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96 int ctr;
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97 int fail;
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98
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99 CYG_TEST_INIT();
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100
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101 CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
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102 "strncat() function");
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103 CYG_TEST_INFO("This testcase tests robustness, and may take some time");
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104
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105 fail = 0;
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106 for (ctr = 0; ctr < NUM_ROBUSTNESS_RUNS; ctr++)
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107 {
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108 my_strcpy(x, "in the land of Mordor, ");
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109 my_strcpy(y, "where the shadows lie.");
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110 ret = strncat(x, y, my_strlen(y)+1 );
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111 if ((my_strcmp(x, "in the land of Mordor, where the shadows lie.")!=0))
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112 {
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113 fail = 1;
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114 break;
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115 } // if
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116 if (ret != x)
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117 {
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118 fail = 1;
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119 break;
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120 } // if
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121 }
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122 CYG_TEST_PASS_FAIL( (fail == 0), "Robustness test passed" );
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123
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124 // CYG_TEST_NA("Testing is not applicable to this configuration");
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125
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126 CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
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127 "strncat() function");
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128
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129 } // main()
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130
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131
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132 // EOF strncat2.c