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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 Cygnus eCos Public License |
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12 // Version 1.0 (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://sourceware.cygnus.com/ecos |
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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 Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //================================================================= |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): ctarpy, jlarmour |
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33 // Contributors: jlarmour |
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34 // Date: 1998/6/3 |
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35 // Description: Contains testcode for C library strncat() function |
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36 // |
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37 // |
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38 //####DESCRIPTIONEND#### |
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39 |
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40 // Declarations for test system: |
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41 // |
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42 // TESTCASE_TYPE=CYG_TEST_MODULE |
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43 // COMPOUND_TESTCASE |
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44 |
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45 |
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46 // CONFIGURATION |
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47 |
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48 #include <pkgconf/libc.h> // Configuration header |
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49 |
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50 // INCLUDES |
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51 |
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52 #include <string.h> |
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53 #include <cyg/infra/testcase.h> |
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54 #include <sys/cstartup.h> // C library initialisation |
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55 |
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56 // CONSTANTS |
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57 |
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58 #define NUM_ROBUSTNESS_RUNS 300 |
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59 |
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60 // FUNCTIONS |
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61 |
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62 |
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63 externC void |
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64 cyg_package_start( void ) |
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65 { |
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66 #ifdef CYGPKG_LIBC |
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67 cyg_iso_c_start(); |
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68 #else |
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69 (void)main(0, NULL); |
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70 #endif |
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71 } // cyg_package_start() |
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72 |
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73 |
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74 |
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75 // Functions to avoid having to use libc strings |
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76 |
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77 #ifdef CYGPKG_LIBC |
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78 static int my_strlen(const char *s) |
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79 { |
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80 const char *ptr; |
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81 |
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82 ptr = s; |
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83 for ( ptr=s ; *ptr != '\0' ; ptr++ ) |
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84 ; |
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85 |
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86 return (int)(ptr-s); |
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87 } // my_strlen() |
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88 |
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89 |
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90 static int my_strcmp(const char *s1, const char *s2) |
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91 { |
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92 for ( ; *s1 == *s2 ; s1++,s2++ ) |
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93 { |
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94 if ( *s1 == '\0' ) |
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95 break; |
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96 } // for |
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97 |
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98 return (*s1 - *s2); |
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99 } // my_strcmp() |
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100 |
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101 |
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102 static char *my_strcpy(char *s1, const char *s2) |
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103 { |
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104 while (*s2 != '\0') { |
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105 *(s1++) = *(s2++); |
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106 } |
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107 *s1 = '\0'; |
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108 |
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109 return s1; |
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110 } // my_strcpy() |
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111 |
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112 #endif // ifdef CYGPKG_LIBC |
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113 |
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114 |
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115 int main( int argc, char *argv[] ) |
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116 { |
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117 #ifdef CYGPKG_LIBC |
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118 char x[300]; |
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119 char y[300]; |
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120 char *ret; |
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121 int ctr; |
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122 int fail; |
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123 #endif |
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124 |
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125 CYG_TEST_INIT(); |
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126 |
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127 CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library " |
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128 "strncat() function"); |
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129 CYG_TEST_INFO("This testcase tests robustness, and may take some time"); |
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130 |
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131 #ifdef CYGPKG_LIBC |
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132 |
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133 fail = 0; |
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134 for (ctr = 0; ctr < NUM_ROBUSTNESS_RUNS; ctr++) |
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135 { |
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136 my_strcpy(x, "in the land of Mordor, "); |
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137 my_strcpy(y, "where the shadows lie."); |
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138 ret = strncat(x, y, my_strlen(y)+1 ); |
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139 if ((my_strcmp(x, "in the land of Mordor, where the shadows lie.")!=0)) |
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140 { |
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141 fail = 1; |
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142 break; |
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143 } // if |
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144 if (ret != x) |
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145 { |
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146 fail = 1; |
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147 break; |
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148 } // if |
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149 } |
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150 CYG_TEST_PASS_FAIL( (fail == 0), "Robustness test passed" ); |
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151 |
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152 |
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153 #else // ifndef CYGPKG_LIBC |
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154 CYG_TEST_NA("Testing is not applicable to this configuration"); |
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155 #endif // ifndef CYGPKG_LIBC |
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156 |
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157 CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library " |
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158 "strncat() function"); |
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159 |
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160 } // main() |
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161 |
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162 |
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163 // EOF strncat2.c |
