Mercurial > flash_v2

annotate packages/language/c/libc/stdio/current/tests/sscanf.c @ 208:e0c0827131d1 ecos

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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
parents 6ed91473a1cd
children d2c90368aeef
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1 //=================================================================
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2 //
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3 // sscanf.c
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4 //
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5 // Testcase for C library sscanf()
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6 //
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7 //=================================================================
208
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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 Red Hat, 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 version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
115
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40 //=================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): ctarpy, jlarmour
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44 // Contributors:
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45 // Date: 2000-04-20
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46 // Description: Contains testcode for C library sscanf() function
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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 // CONFIGURATION
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52
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53 #include <pkgconf/libc_stdio.h> // Configuration header
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54
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55 // INCLUDES
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56
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57 #include <stdio.h>
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58 #include <cyg/infra/testcase.h>
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59
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60 // HOW TO START TESTS
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61
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62 #if defined(CYGFUN_LIBC_STDIO_ungetc)
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63
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64 # define START_TEST( test ) test(0)
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65
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66 #else
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67
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68 # define START_TEST( test ) CYG_EMPTY_STATEMENT
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69
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70 #endif
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71
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72
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73 // FUNCTIONS
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74
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75 #if defined(CYGFUN_LIBC_STDIO_ungetc)
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76
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77 // Functions to avoid having to use libc strings
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78
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79 static int
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80 my_strcmp(const char *s1, const char *s2)
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81 {
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82 for ( ; *s1 == *s2 ; s1++,s2++ )
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83 {
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84 if ( *s1 == '\0')
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85 break;
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86 } // for
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87
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88 return (*s1 - *s2);
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89 } // my_strcmp()
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90
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91
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92 static char *
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93 my_strcpy(char *s1, const char *s2)
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94 {
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95 while (*s2 != '\0') {
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96 *(s1++) = *(s2++);
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97 }
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98 *s1 = '\0';
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99
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100 return s1;
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101 } // my_strcpy()
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102
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103
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104 static void
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105 test( CYG_ADDRWORD data )
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106 {
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107 static char x[300];
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108 static char y[300];
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109 char z[20];
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110 int ret;
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111 int int_test, int_test2, int_test3, int_test4;
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112
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113 // Check 1
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114 my_strcpy(x, "20");
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115 ret = sscanf(x, "%d", &int_test);
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116 CYG_TEST_PASS_FAIL(int_test==20, "%d test");
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117 CYG_TEST_PASS_FAIL(ret == 1, "%d test return code");
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118
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119 // Check 2
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120 my_strcpy(y, "PigsNoses");
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121 ret = sscanf(y, "%s", x);
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122 CYG_TEST_PASS_FAIL(my_strcmp(x, y)==0, "%s test");
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123 CYG_TEST_PASS_FAIL(ret == 1, "%s test return code");
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124
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125 // Check 3
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126 my_strcpy(x, "FE8C");
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127 ret = sscanf(x, "%X", &int_test);
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128 CYG_TEST_PASS_FAIL(int_test == 65164, "hex read leading zeroes");
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129 CYG_TEST_PASS_FAIL(ret == 1, "hex read leading zeroes return code");
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130
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131 // Check 4
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132 my_strcpy(x, "000053Ba");
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133 ret = sscanf(x, "%x", &int_test);
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134 CYG_TEST_PASS_FAIL(int_test == 21434, "hex read leading zeroes");
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135 CYG_TEST_PASS_FAIL(ret == 1, "hex read leading zeros return code");
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136
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137 // Check 5
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138 my_strcpy(x, "53Ba");
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139 ret = sscanf(x, "%3x", &int_test);
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140 CYG_TEST_PASS_FAIL(int_test == 1339, "hex read constrained width");
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141 CYG_TEST_PASS_FAIL(ret == 1, "hex read constrained width return code");
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142
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143 // Check 6
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144 my_strcpy(x, "get the first char test");
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145 ret = sscanf(x, "%c", &y[0]);
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146 CYG_TEST_PASS_FAIL(y[0] == 'g', "%c test");
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147 CYG_TEST_PASS_FAIL(ret == 1, "%c test return code");
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148
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149 // Check 7
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150 my_strcpy(x, "-5");
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151 ret = sscanf(x, "%d", &int_test);
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152 CYG_TEST_PASS_FAIL(int_test == -5, "negative integer");
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153 CYG_TEST_PASS_FAIL(ret == 1, "negative integer return code");
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154
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155 // Check 8
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156 my_strcpy(x, "53");
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157 ret = sscanf(x, "%o", &int_test);
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158 CYG_TEST_PASS_FAIL(int_test == 43, "%o test");
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159 CYG_TEST_PASS_FAIL(ret == 1, "%o test return code");
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160
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161 // Check 9
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162 int_test=10;
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163 my_strcpy(x, "-5 0");
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164 ret = sscanf(x, "%*d %d", &int_test);
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165 CYG_TEST_PASS_FAIL(int_test == 0, "assignment suppression");
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166 CYG_TEST_PASS_FAIL(ret == 1, "assignment suppression return code");
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167
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168 // Check 10
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169 int_test=0;
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170 my_strcpy(x, "052");
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171 ret = sscanf(x, "%i", &int_test);
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172 CYG_TEST_PASS_FAIL(int_test == 42, "octal with %i");
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173 CYG_TEST_PASS_FAIL(ret == 1, "octal with %i return code");
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174
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175 // Check 10
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176 int_test=0;
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177 my_strcpy(x, "0x05f");
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178 ret = sscanf(x, "%i", &int_test);
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179 CYG_TEST_PASS_FAIL(int_test == 95, "hex with %i");
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180 CYG_TEST_PASS_FAIL(ret == 1, "hex with %i return code");
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181
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182 // Check 11
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183 int_test=0;
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184 my_strcpy(x, "+023456");
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185 ret = sscanf(x, "%u", &int_test);
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186 CYG_TEST_PASS_FAIL(int_test == 23456, "unsigned int with %u");
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187 CYG_TEST_PASS_FAIL(ret == 1, "unsigned int with %u return code");
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188
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189 // Check 12
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190 my_strcpy(x, "aString 2747 D");
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191 ret = sscanf(x, "%s %d %c", y, &int_test, z);
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192 CYG_TEST_PASS_FAIL( (my_strcmp(y, "aString")==0) &&
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193 (int_test == 2747) &&
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194 (z[0] == 'D'), "A few combinations #1");
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195 CYG_TEST_PASS_FAIL(ret == 3, "Combinations #1 return code");
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196
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197
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198 // Check 13
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199 my_strcpy(x, "-6 52 awurble 2747 xxx");
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200 ret = sscanf(x, "%d %u %s %2d %n %c",
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201 &int_test, &int_test2, y, &int_test3, &int_test4, z);
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202 CYG_TEST_PASS_FAIL( (int_test == -6) && (int_test2 == 52) &&
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203 (my_strcmp(y, "awurble")==0) &&
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204 (int_test3 == 27) &&
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205 (int_test4 == 16) &&
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206 (z[0] == '4'), "A few combinations #2");
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207 CYG_TEST_PASS_FAIL(ret == 5, "Combinations #2 return code");
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208
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209
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210 #ifdef CYGSEM_LIBC_STDIO_SCANF_FLOATING_POINT
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211
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212 // How much _relative_ error do we allow?
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213 #define FLT_TOLERANCE 1.0e-3
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214
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215 #define MY_FABS(x) ((x) < 0.0 ? -(x) : (x))
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216
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217 CYG_TEST_INFO("Starting floating point specific tests");
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218
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219 {
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220 float flt_test, wanted;
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221
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222 // Check 14
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223 my_strcpy(x, "2.5");
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224 wanted = 2.5;
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225 ret = sscanf(x, "%f", &flt_test);
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226 CYG_TEST_PASS_FAIL( MY_FABS(flt_test - wanted) <
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227 MY_FABS(wanted * FLT_TOLERANCE),
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228 "Simple %f test #1" );
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229 CYG_TEST_PASS_FAIL( ret == 1, "Simple %f test #1 return code" );
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230
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231
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232 // Check 15
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233 my_strcpy(x, "-23.472345");
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234 wanted = -23.472345;
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235 ret = sscanf(x, "%f", &flt_test);
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236 CYG_TEST_PASS_FAIL( MY_FABS(flt_test - wanted) <
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237 MY_FABS(wanted * FLT_TOLERANCE),
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238 "Simple %f test #2" );
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239 CYG_TEST_PASS_FAIL( ret == 1, "Simple %f test #2 return code" );
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240
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241 // Check 16
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242 my_strcpy(x, "0.0");
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243 ret = sscanf(x, "%f", &flt_test);
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244 CYG_TEST_PASS_FAIL( flt_test==0.0, "Simple %f test 0.0" );
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245 CYG_TEST_PASS_FAIL( ret == 1, "Simple %f test 0.0 return code" );
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246
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247
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248 // Check 17
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249 my_strcpy(x, "-2.6334e00");
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250 wanted = -2.6334;
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251 ret = sscanf(x, "%e", &flt_test);
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252 CYG_TEST_PASS_FAIL( MY_FABS(flt_test - wanted) <
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253 MY_FABS(wanted * FLT_TOLERANCE),
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254 "Simple %e test #1" );
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255 CYG_TEST_PASS_FAIL( ret == 1, "Simple %e test #1 return code" );
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256
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257
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258 // Check 18
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259 my_strcpy(x, "-2.56789e-06");
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260 wanted = -2.56789e-06;
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261 ret = sscanf(x, "%e", &flt_test);
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262 CYG_TEST_PASS_FAIL( MY_FABS(flt_test-wanted) <
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263 MY_FABS(wanted * FLT_TOLERANCE),
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264 "Simple %e test #2" );
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265 CYG_TEST_PASS_FAIL( ret == 1, "Simple %e test #2 return code" );
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266
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267
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268 // Check 19
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269 my_strcpy(x, "-2.12389e-06");
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270 wanted = -2.12389e-06;
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271 ret = sscanf(x, "%g", &flt_test);
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272 CYG_TEST_PASS_FAIL( MY_FABS(flt_test-wanted) <
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273 MY_FABS(wanted * FLT_TOLERANCE),
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274 "Simple %g test #1" );
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275 CYG_TEST_PASS_FAIL( ret == 1, "Simple %g test #1 return code" );
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276
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277 // Check 20
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278 my_strcpy(x, "1.3423345");
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279 wanted = 1.342335;
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280 ret = sscanf(x, "%g", &flt_test);
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281 CYG_TEST_PASS_FAIL( MY_FABS(flt_test-wanted) <
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282 MY_FABS(wanted * FLT_TOLERANCE),
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283 "Simple %g test #2" );
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284 CYG_TEST_PASS_FAIL( ret == 1, "Simple %g test #2 return code" );
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285
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286
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287 } // compound
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288
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289 #else
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290 CYG_TEST_PASS("Floating point tests skipped - not configured");
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291 #endif // ifdef CYGSEM_LIBC_STDIO_SCANF_FLOATING_POINT
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292
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293
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294 CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
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295 "sscanf() function");
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296
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297 } // test()
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298
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299 #endif // defined(CYGFUN_LIBC_STDIO_ungetc)
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300
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301
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302 int
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303 main(int argc, char *argv[])
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304 {
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305 CYG_TEST_INIT();
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306
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307 CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
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308 "sscanf() function");
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309
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310 START_TEST( test );
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311
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312 CYG_TEST_NA("Testing is not applicable to this configuration");
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313 } // main()
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314
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315
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316 // EOF sscanf.c