1 | #include "test.h" |
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2 | #include <string.h> |
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3 | #include <errno.h> |
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4 | |
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5 | |
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6 | const char *it = "<UNSET>"; /* Routine name for message routines. */ |
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7 | int errors = 0; |
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8 | |
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9 | /* Complain if condition is not true. */ |
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10 | #define check(thing) checkit(thing, __LINE__) |
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11 | |
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12 | void |
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13 | checkit (int ok, |
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14 | int l ) |
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15 | |
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16 | { |
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17 | newfunc(it); |
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18 | line(l); |
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19 | |
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20 | if (!ok) |
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21 | { |
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22 | printf("string.c:%d %s\n", l, it); |
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23 | ++errors; |
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24 | } |
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25 | } |
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26 | |
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27 | |
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28 | |
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29 | /* Complain if first two args don't strcmp as equal. */ |
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30 | #define equal(a, b) funcqual(a,b,__LINE__); |
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31 | |
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32 | void |
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33 | funcqual (char *a, |
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34 | char *b, |
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35 | int l) |
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36 | { |
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37 | newfunc(it); |
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38 | |
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39 | line(l); |
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40 | if (a == NULL && b == NULL) return; |
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41 | if (strcmp(a,b)) { |
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42 | printf("string.c:%d (%s)\n", l, it); |
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43 | } |
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44 | } |
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45 | |
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46 | |
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47 | |
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48 | static char one[50]; |
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49 | static char two[50]; |
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50 | |
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51 | |
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52 | void test_string() |
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53 | { |
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54 | /* Test strcmp first because we use it to test other things. */ |
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55 | it = "strcmp"; |
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56 | check(strcmp("", "") == 0); /* Trivial case. */ |
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57 | check(strcmp("a", "a") == 0); /* Identity. */ |
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58 | check(strcmp("abc", "abc") == 0); /* Multicharacter. */ |
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59 | check(strcmp("abc", "abcd") < 0); /* Length mismatches. */ |
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60 | check(strcmp("abcd", "abc") > 0); |
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61 | check(strcmp("abcd", "abce") < 0); /* Honest miscompares. */ |
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62 | check(strcmp("abce", "abcd") > 0); |
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63 | check(strcmp("a\103", "a") > 0); /* Tricky if char signed. */ |
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64 | check(strcmp("a\103", "a\003") > 0); |
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65 | |
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66 | /* Test strcpy next because we need it to set up other tests. */ |
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67 | it = "strcpy"; |
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68 | check(strcpy(one, "abcd") == one); /* Returned value. */ |
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69 | equal(one, "abcd"); /* Basic test. */ |
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70 | |
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71 | (void) strcpy(one, "x"); |
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72 | equal(one, "x"); /* Writeover. */ |
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73 | equal(one+2, "cd"); /* Wrote too much? */ |
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74 | |
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75 | (void) strcpy(two, "hi there"); |
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76 | (void) strcpy(one, two); |
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77 | equal(one, "hi there"); /* Basic test encore. */ |
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78 | equal(two, "hi there"); /* Stomped on source? */ |
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79 | |
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80 | (void) strcpy(one, ""); |
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81 | equal(one, ""); /* Boundary condition. */ |
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82 | |
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83 | /* strcat. */ |
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84 | it = "strcat"; |
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85 | (void) strcpy(one, "ijk"); |
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86 | check(strcat(one, "lmn") == one); /* Returned value. */ |
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87 | equal(one, "ijklmn"); /* Basic test. */ |
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88 | |
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89 | (void) strcpy(one, "x"); |
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90 | (void) strcat(one, "yz"); |
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91 | equal(one, "xyz"); /* Writeover. */ |
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92 | equal(one+4, "mn"); /* Wrote too much? */ |
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93 | |
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94 | (void) strcpy(one, "gh"); |
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95 | (void) strcpy(two, "ef"); |
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96 | (void) strcat(one, two); |
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97 | equal(one, "ghef"); /* Basic test encore. */ |
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98 | equal(two, "ef"); /* Stomped on source? */ |
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99 | |
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100 | (void) strcpy(one, ""); |
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101 | (void) strcat(one, ""); |
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102 | equal(one, ""); /* Boundary conditions. */ |
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103 | (void) strcpy(one, "ab"); |
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104 | (void) strcat(one, ""); |
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105 | equal(one, "ab"); |
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106 | (void) strcpy(one, ""); |
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107 | (void) strcat(one, "cd"); |
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108 | equal(one, "cd"); |
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109 | |
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110 | /* strncat - first test it as strcat, with big counts, |
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111 | then test the count mechanism. */ |
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112 | it = "strncat"; |
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113 | (void) strcpy(one, "ijk"); |
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114 | check(strncat(one, "lmn", 99) == one); /* Returned value. */ |
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115 | equal(one, "ijklmn"); /* Basic test. */ |
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116 | |
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117 | (void) strcpy(one, "x"); |
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118 | (void) strncat(one, "yz", 99); |
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119 | equal(one, "xyz"); /* Writeover. */ |
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120 | equal(one+4, "mn"); /* Wrote too much? */ |
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121 | |
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122 | (void) strcpy(one, "gh"); |
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123 | (void) strcpy(two, "ef"); |
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124 | (void) strncat(one, two, 99); |
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125 | equal(one, "ghef"); /* Basic test encore. */ |
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126 | equal(two, "ef"); /* Stomped on source? */ |
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127 | |
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128 | (void) strcpy(one, ""); |
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129 | (void) strncat(one, "", 99); |
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130 | equal(one, ""); /* Boundary conditions. */ |
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131 | (void) strcpy(one, "ab"); |
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132 | (void) strncat(one, "", 99); |
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133 | equal(one, "ab"); |
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134 | (void) strcpy(one, ""); |
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135 | (void) strncat(one, "cd", 99); |
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136 | equal(one, "cd"); |
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137 | |
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138 | (void) strcpy(one, "ab"); |
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139 | (void) strncat(one, "cdef", 2); |
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140 | equal(one, "abcd"); /* Count-limited. */ |
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141 | |
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142 | (void) strncat(one, "gh", 0); |
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143 | equal(one, "abcd"); /* Zero count. */ |
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144 | |
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145 | (void) strncat(one, "gh", 2); |
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146 | equal(one, "abcdgh"); /* Count, length equal. */ |
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147 | it = "strncmp"; |
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148 | /* strncmp - first test as strcmp with big counts";*/ |
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149 | check(strncmp("", "", 99) == 0); /* Trivial case. */ |
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150 | check(strncmp("a", "a", 99) == 0); /* Identity. */ |
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151 | check(strncmp("abc", "abc", 99) == 0); /* Multicharacter. */ |
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152 | check(strncmp("abc", "abcd", 99) < 0); /* Length unequal. */ |
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153 | check(strncmp("abcd", "abc",99) > 0); |
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154 | check(strncmp("abcd", "abce", 99) < 0); /* Honestly unequal. */ |
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155 | check(strncmp("abce", "abcd",99)>0); |
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156 | check(strncmp("abce", "abcd", 3) == 0); /* Count limited. */ |
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157 | check(strncmp("abce", "abc", 3) == 0); /* Count == length. */ |
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158 | check(strncmp("abcd", "abce", 4) < 0); /* Nudging limit. */ |
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159 | check(strncmp("abc", "def", 0) == 0); /* Zero count. */ |
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160 | |
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161 | /* strncpy - testing is a bit different because of odd semantics. */ |
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162 | it = "strncpy"; |
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163 | check(strncpy(one, "abc", 4) == one); /* Returned value. */ |
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164 | equal(one, "abc"); /* Did the copy go right? */ |
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165 | |
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166 | (void) strcpy(one, "abcdefgh"); |
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167 | (void) strncpy(one, "xyz", 2); |
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168 | equal(one, "xycdefgh"); /* Copy cut by count. */ |
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169 | |
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170 | (void) strcpy(one, "abcdefgh"); |
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171 | (void) strncpy(one, "xyz", 3); /* Copy cut just before NUL. */ |
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172 | equal(one, "xyzdefgh"); |
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173 | |
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174 | (void) strcpy(one, "abcdefgh"); |
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175 | (void) strncpy(one, "xyz", 4); /* Copy just includes NUL. */ |
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176 | equal(one, "xyz"); |
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177 | equal(one+4, "efgh"); /* Wrote too much? */ |
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178 | |
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179 | (void) strcpy(one, "abcdefgh"); |
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180 | (void) strncpy(one, "xyz", 5); /* Copy includes padding. */ |
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181 | equal(one, "xyz"); |
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182 | equal(one+4, ""); |
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183 | equal(one+5, "fgh"); |
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184 | |
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185 | (void) strcpy(one, "abc"); |
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186 | (void) strncpy(one, "xyz", 0); /* Zero-length copy. */ |
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187 | equal(one, "abc"); |
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188 | |
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189 | (void) strncpy(one, "", 2); /* Zero-length source. */ |
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190 | equal(one, ""); |
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191 | equal(one+1, ""); |
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192 | equal(one+2, "c"); |
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193 | |
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194 | (void) strcpy(one, "hi there"); |
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195 | (void) strncpy(two, one, 9); |
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196 | equal(two, "hi there"); /* Just paranoia. */ |
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197 | equal(one, "hi there"); /* Stomped on source? */ |
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198 | |
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199 | /* strlen. */ |
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200 | it = "strlen"; |
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201 | check(strlen("") == 0); /* Empty. */ |
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202 | check(strlen("a") == 1); /* Single char. */ |
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203 | check(strlen("abcd") == 4); /* Multiple chars. */ |
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204 | |
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205 | /* strchr. */ |
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206 | it = "strchr"; |
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207 | check(strchr("abcd", 'z') == NULL); /* Not found. */ |
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208 | (void) strcpy(one, "abcd"); |
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209 | check(strchr(one, 'c') == one+2); /* Basic test. */ |
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210 | check(strchr(one, 'd') == one+3); /* End of string. */ |
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211 | check(strchr(one, 'a') == one); /* Beginning. */ |
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212 | check(strchr(one, '\0') == one+4); /* Finding NUL. */ |
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213 | (void) strcpy(one, "ababa"); |
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214 | check(strchr(one, 'b') == one+1); /* Finding first. */ |
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215 | (void) strcpy(one, ""); |
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216 | check(strchr(one, 'b') == NULL); /* Empty string. */ |
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217 | check(strchr(one, '\0') == one); /* NUL in empty string. */ |
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218 | |
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219 | /* index - just like strchr. */ |
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220 | it = "index"; |
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221 | check(index("abcd", 'z') == NULL); /* Not found. */ |
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222 | (void) strcpy(one, "abcd"); |
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223 | check(index(one, 'c') == one+2); /* Basic test. */ |
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224 | check(index(one, 'd') == one+3); /* End of string. */ |
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225 | check(index(one, 'a') == one); /* Beginning. */ |
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226 | check(index(one, '\0') == one+4); /* Finding NUL. */ |
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227 | (void) strcpy(one, "ababa"); |
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228 | check(index(one, 'b') == one+1); /* Finding first. */ |
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229 | (void) strcpy(one, ""); |
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230 | check(index(one, 'b') == NULL); /* Empty string. */ |
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231 | check(index(one, '\0') == one); /* NUL in empty string. */ |
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232 | |
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233 | /* strrchr. */ |
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234 | it = "strrchr"; |
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235 | check(strrchr("abcd", 'z') == NULL); /* Not found. */ |
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236 | (void) strcpy(one, "abcd"); |
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237 | check(strrchr(one, 'c') == one+2); /* Basic test. */ |
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238 | check(strrchr(one, 'd') == one+3); /* End of string. */ |
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239 | check(strrchr(one, 'a') == one); /* Beginning. */ |
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240 | check(strrchr(one, '\0') == one+4); /* Finding NUL. */ |
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241 | (void) strcpy(one, "ababa"); |
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242 | check(strrchr(one, 'b') == one+3); /* Finding last. */ |
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243 | (void) strcpy(one, ""); |
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244 | check(strrchr(one, 'b') == NULL); /* Empty string. */ |
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245 | check(strrchr(one, '\0') == one); /* NUL in empty string. */ |
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246 | |
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247 | /* rindex - just like strrchr. */ |
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248 | it = "rindex"; |
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249 | check(rindex("abcd", 'z') == NULL); /* Not found. */ |
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250 | (void) strcpy(one, "abcd"); |
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251 | check(rindex(one, 'c') == one+2); /* Basic test. */ |
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252 | check(rindex(one, 'd') == one+3); /* End of string. */ |
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253 | check(rindex(one, 'a') == one); /* Beginning. */ |
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254 | check(rindex(one, '\0') == one+4); /* Finding NUL. */ |
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255 | (void) strcpy(one, "ababa"); |
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256 | check(rindex(one, 'b') == one+3); /* Finding last. */ |
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257 | (void) strcpy(one, ""); |
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258 | check(rindex(one, 'b') == NULL); /* Empty string. */ |
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259 | check(rindex(one, '\0') == one); /* NUL in empty string. */ |
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260 | |
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261 | /* strpbrk - somewhat like strchr. */ |
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262 | it = "strpbrk"; |
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263 | check(strpbrk("abcd", "z") == NULL); /* Not found. */ |
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264 | (void) strcpy(one, "abcd"); |
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265 | check(strpbrk(one, "c") == one+2); /* Basic test. */ |
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266 | check(strpbrk(one, "d") == one+3); /* End of string. */ |
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267 | check(strpbrk(one, "a") == one); /* Beginning. */ |
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268 | check(strpbrk(one, "") == NULL); /* Empty search list. */ |
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269 | check(strpbrk(one, "cb") == one+1); /* Multiple search. */ |
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270 | (void) strcpy(one, "abcabdea"); |
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271 | check(strpbrk(one, "b") == one+1); /* Finding first. */ |
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272 | check(strpbrk(one, "cb") == one+1); /* With multiple search. */ |
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273 | check(strpbrk(one, "db") == one+1); /* Another variant. */ |
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274 | (void) strcpy(one, ""); |
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275 | check(strpbrk(one, "bc") == NULL); /* Empty string. */ |
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276 | check(strpbrk(one, "") == NULL); /* Both strings empty. */ |
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277 | |
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278 | /* strstr - somewhat like strchr. */ |
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279 | it = "strstr"; |
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280 | check(strstr("z", "abcd") == NULL); /* Not found. */ |
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281 | check(strstr("abx", "abcd") == NULL); /* Dead end. */ |
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282 | (void) strcpy(one, "abcd"); |
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283 | check(strstr(one,"c") == one+2); /* Basic test. */ |
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284 | check(strstr(one, "bc") == one+1); /* Multichar. */ |
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285 | check(strstr(one,"d") == one+3); /* End of string. */ |
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286 | check(strstr(one,"cd") == one+2); /* Tail of string. */ |
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287 | check(strstr(one,"abc") == one); /* Beginning. */ |
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288 | check(strstr(one,"abcd") == one); /* Exact match. */ |
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289 | check(strstr(one,"de") == NULL); /* Past end. */ |
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290 | check(strstr(one,"") == one); /* Finding empty. */ |
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291 | (void) strcpy(one, "ababa"); |
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292 | check(strstr(one,"ba") == one+1); /* Finding first. */ |
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293 | (void) strcpy(one, ""); |
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294 | check(strstr(one, "b") == NULL); /* Empty string. */ |
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295 | check(strstr(one,"") == one); /* Empty in empty string. */ |
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296 | (void) strcpy(one, "bcbca"); |
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297 | check(strstr(one,"bca") == one+2); /* False start. */ |
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298 | (void) strcpy(one, "bbbcabbca"); |
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299 | check(strstr(one,"bbca") == one+1); /* With overlap. */ |
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300 | |
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301 | /* strspn. */ |
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302 | it = "strspn"; |
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303 | check(strspn("abcba", "abc") == 5); /* Whole string. */ |
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304 | check(strspn("abcba", "ab") == 2); /* Partial. */ |
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305 | check(strspn("abc", "qx") == 0); /* None. */ |
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306 | check(strspn("", "ab") == 0); /* Null string. */ |
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307 | check(strspn("abc", "") == 0); /* Null search list. */ |
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308 | |
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309 | /* strcspn. */ |
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310 | it = "strcspn"; |
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311 | check(strcspn("abcba", "qx") == 5); /* Whole string. */ |
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312 | check(strcspn("abcba", "cx") == 2); /* Partial. */ |
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313 | check(strcspn("abc", "abc") == 0); /* None. */ |
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314 | check(strcspn("", "ab") == 0); /* Null string. */ |
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315 | check(strcspn("abc", "") == 3); /* Null search list. */ |
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316 | |
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317 | /* strtok - the hard one. */ |
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318 | it = "strtok"; |
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319 | (void) strcpy(one, "first, second, third"); |
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320 | equal(strtok(one, ", "), "first"); /* Basic test. */ |
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321 | equal(one, "first"); |
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322 | equal(strtok((char *)NULL, ", "), "second"); |
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323 | equal(strtok((char *)NULL, ", "), "third"); |
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324 | check(strtok((char *)NULL, ", ") == NULL); |
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325 | (void) strcpy(one, ", first, "); |
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326 | equal(strtok(one, ", "), "first"); /* Extra delims, 1 tok. */ |
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327 | check(strtok((char *)NULL, ", ") == NULL); |
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328 | (void) strcpy(one, "1a, 1b; 2a, 2b"); |
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329 | equal(strtok(one, ", "), "1a"); /* Changing delim lists. */ |
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330 | equal(strtok((char *)NULL, "; "), "1b"); |
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331 | equal(strtok((char *)NULL, ", "), "2a"); |
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332 | (void) strcpy(two, "x-y"); |
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333 | equal(strtok(two, "-"), "x"); /* New string before done. */ |
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334 | equal(strtok((char *)NULL, "-"), "y"); |
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335 | check(strtok((char *)NULL, "-") == NULL); |
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336 | (void) strcpy(one, "a,b, c,, ,d"); |
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337 | equal(strtok(one, ", "), "a"); /* Different separators. */ |
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338 | equal(strtok((char *)NULL, ", "), "b"); |
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339 | equal(strtok((char *)NULL, " ,"), "c"); /* Permute list too. */ |
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340 | equal(strtok((char *)NULL, " ,"), "d"); |
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341 | check(strtok((char *)NULL, ", ") == NULL); |
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342 | check(strtok((char *)NULL, ", ") == NULL); /* Persistence. */ |
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343 | (void) strcpy(one, ", "); |
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344 | check(strtok(one, ", ") == NULL); /* No tokens. */ |
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345 | (void) strcpy(one, ""); |
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346 | check(strtok(one, ", ") == NULL); /* Empty string. */ |
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347 | (void) strcpy(one, "abc"); |
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348 | equal(strtok(one, ", "), "abc"); /* No delimiters. */ |
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349 | check(strtok((char *)NULL, ", ") == NULL); |
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350 | (void) strcpy(one, "abc"); |
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351 | equal(strtok(one, ""), "abc"); /* Empty delimiter list. */ |
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352 | check(strtok((char *)NULL, "") == NULL); |
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353 | (void) strcpy(one, "abcdefgh"); |
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354 | (void) strcpy(one, "a,b,c"); |
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355 | equal(strtok(one, ","), "a"); /* Basics again... */ |
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356 | equal(strtok((char *)NULL, ","), "b"); |
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357 | equal(strtok((char *)NULL, ","), "c"); |
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358 | check(strtok((char *)NULL, ",") == NULL); |
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359 | equal(one+6, "gh"); /* Stomped past end? */ |
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360 | equal(one, "a"); /* Stomped old tokens? */ |
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361 | equal(one+2, "b"); |
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362 | equal(one+4, "c"); |
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363 | |
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364 | /* memcmp. */ |
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365 | it = "memcmp"; |
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366 | check(memcmp("a", "a", 1) == 0); /* Identity. */ |
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367 | check(memcmp("abc", "abc", 3) == 0); /* Multicharacter. */ |
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368 | check(memcmp("abcd", "abce", 4) < 0); /* Honestly unequal. */ |
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369 | check(memcmp("abce", "abcd",4)); |
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370 | check(memcmp("alph", "beta", 4) < 0); |
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371 | check(memcmp("abce", "abcd", 3) == 0); /* Count limited. */ |
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372 | check(memcmp("abc", "def", 0) == 0); /* Zero count. */ |
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373 | |
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374 | /* memcmp should test strings as unsigned */ |
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375 | one[0] = 0xfe; |
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376 | two[0] = 0x03; |
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377 | check(memcmp(one, two,1) > 0); |
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378 | |
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379 | |
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380 | /* memchr. */ |
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381 | it = "memchr"; |
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382 | check(memchr("abcd", 'z', 4) == NULL); /* Not found. */ |
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383 | (void) strcpy(one, "abcd"); |
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384 | check(memchr(one, 'c', 4) == one+2); /* Basic test. */ |
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385 | check(memchr(one, 'd', 4) == one+3); /* End of string. */ |
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386 | check(memchr(one, 'a', 4) == one); /* Beginning. */ |
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387 | check(memchr(one, '\0', 5) == one+4); /* Finding NUL. */ |
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388 | (void) strcpy(one, "ababa"); |
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389 | check(memchr(one, 'b', 5) == one+1); /* Finding first. */ |
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390 | check(memchr(one, 'b', 0) == NULL); /* Zero count. */ |
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391 | check(memchr(one, 'a', 1) == one); /* Singleton case. */ |
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392 | (void) strcpy(one, "a\203b"); |
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393 | check(memchr(one, 0203, 3) == one+1); /* Unsignedness. */ |
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394 | |
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395 | /* memcpy - need not work for overlap. */ |
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396 | it = "memcpy"; |
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397 | check(memcpy(one, "abc", 4) == one); /* Returned value. */ |
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398 | equal(one, "abc"); /* Did the copy go right? */ |
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399 | |
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400 | (void) strcpy(one, "abcdefgh"); |
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401 | (void) memcpy(one+1, "xyz", 2); |
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402 | equal(one, "axydefgh"); /* Basic test. */ |
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403 | |
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404 | (void) strcpy(one, "abc"); |
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405 | (void) memcpy(one, "xyz", 0); |
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406 | equal(one, "abc"); /* Zero-length copy. */ |
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407 | |
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408 | (void) strcpy(one, "hi there"); |
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409 | (void) strcpy(two, "foo"); |
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410 | (void) memcpy(two, one, 9); |
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411 | equal(two, "hi there"); /* Just paranoia. */ |
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412 | equal(one, "hi there"); /* Stomped on source? */ |
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413 | #if 0 |
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414 | /* memmove - must work on overlap. */ |
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415 | it = "memmove"; |
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416 | check(memmove(one, "abc", 4) == one); /* Returned value. */ |
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417 | equal(one, "abc"); /* Did the copy go right? */ |
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418 | |
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419 | (void) strcpy(one, "abcdefgh"); |
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420 | (void) memmove(one+1, "xyz", 2); |
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421 | equal(one, "axydefgh"); /* Basic test. */ |
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422 | |
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423 | (void) strcpy(one, "abc"); |
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424 | (void) memmove(one, "xyz", 0); |
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425 | equal(one, "abc"); /* Zero-length copy. */ |
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426 | |
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427 | (void) strcpy(one, "hi there"); |
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428 | (void) strcpy(two, "foo"); |
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429 | (void) memmove(two, one, 9); |
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430 | equal(two, "hi there"); /* Just paranoia. */ |
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431 | equal(one, "hi there"); /* Stomped on source? */ |
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432 | |
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433 | (void) strcpy(one, "abcdefgh"); |
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434 | (void) memmove(one+1, one, 9); |
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435 | equal(one, "aabcdefgh"); /* Overlap, right-to-left. */ |
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436 | |
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437 | (void) strcpy(one, "abcdefgh"); |
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438 | (void) memmove(one+1, one+2, 7); |
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439 | equal(one, "acdefgh"); /* Overlap, left-to-right. */ |
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440 | |
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441 | (void) strcpy(one, "abcdefgh"); |
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442 | (void) memmove(one, one, 9); |
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443 | equal(one, "abcdefgh"); /* 100% overlap. */ |
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444 | #endif |
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445 | #if 0 |
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446 | /* memccpy - first test like memcpy, then the search part |
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447 | The SVID, the only place where memccpy is mentioned, says |
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448 | overlap might fail, so we don't try it. Besides, it's hard |
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449 | to see the rationale for a non-left-to-right memccpy. */ |
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450 | it = "memccpy"; |
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451 | check(memccpy(one, "abc", 'q', 4) == NULL); /* Returned value. */ |
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452 | equal(one, "abc"); /* Did the copy go right? */ |
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453 | |
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454 | (void) strcpy(one, "abcdefgh"); |
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455 | (void) memccpy(one+1, "xyz", 'q', 2); |
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456 | equal(one, "axydefgh"); /* Basic test. */ |
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457 | |
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458 | (void) strcpy(one, "abc"); |
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459 | (void) memccpy(one, "xyz", 'q', 0); |
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460 | equal(one, "abc"); /* Zero-length copy. */ |
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461 | |
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462 | (void) strcpy(one, "hi there"); |
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463 | (void) strcpy(two, "foo"); |
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464 | (void) memccpy(two, one, 'q', 9); |
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465 | equal(two, "hi there"); /* Just paranoia. */ |
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466 | equal(one, "hi there"); /* Stomped on source? */ |
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467 | |
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468 | (void) strcpy(one, "abcdefgh"); |
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469 | (void) strcpy(two, "horsefeathers"); |
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470 | check(memccpy(two, one, 'f', 9) == two+6); /* Returned value. */ |
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471 | equal(one, "abcdefgh"); /* Source intact? */ |
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472 | equal(two, "abcdefeathers"); /* Copy correct? */ |
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473 | |
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474 | (void) strcpy(one, "abcd"); |
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475 | (void) strcpy(two, "bumblebee"); |
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476 | check(memccpy(two, one, 'a', 4) == two+1); /* First char. */ |
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477 | equal(two, "aumblebee"); |
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478 | check(memccpy(two, one, 'd', 4) == two+4); /* Last char. */ |
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479 | equal(two, "abcdlebee"); |
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480 | (void) strcpy(one, "xyz"); |
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481 | check(memccpy(two, one, 'x', 1) == two+1); /* Singleton. */ |
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482 | equal(two, "xbcdlebee"); |
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483 | #endif |
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484 | /* memset. */ |
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485 | it = "memset"; |
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486 | (void) strcpy(one, "abcdefgh"); |
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487 | check(memset(one+1, 'x', 3) == one+1); /* Return value. */ |
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488 | equal(one, "axxxefgh"); /* Basic test. */ |
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489 | |
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490 | (void) memset(one+2, 'y', 0); |
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491 | equal(one, "axxxefgh"); /* Zero-length set. */ |
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492 | |
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493 | (void) memset(one+5, 0, 1); |
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494 | equal(one, "axxxe"); /* Zero fill. */ |
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495 | equal(one+6, "gh"); /*, the leftover. */ |
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496 | |
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497 | (void) memset(one+2, 010045, 1); |
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498 | equal(one, "ax\045xe"); /* Unsigned char convert. */ |
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499 | |
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500 | /* bcopy - much like memcpy. |
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501 | Berklix manual is silent about overlap, so don't test it. */ |
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502 | it = "bcopy"; |
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503 | (void) bcopy("abc", one, 4); |
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504 | equal(one, "abc"); /* Simple copy. */ |
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505 | |
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506 | (void) strcpy(one, "abcdefgh"); |
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507 | (void) bcopy("xyz", one+1, 2); |
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508 | equal(one, "axydefgh"); /* Basic test. */ |
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509 | |
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510 | (void) strcpy(one, "abc"); |
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511 | (void) bcopy("xyz", one, 0); |
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512 | equal(one, "abc"); /* Zero-length copy. */ |
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513 | |
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514 | (void) strcpy(one, "hi there"); |
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515 | (void) strcpy(two, "foo"); |
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516 | (void) bcopy(one, two, 9); |
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517 | equal(two, "hi there"); /* Just paranoia. */ |
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518 | equal(one, "hi there"); /* Stomped on source? */ |
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519 | |
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520 | /* bzero. */ |
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521 | it = "bzero"; |
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522 | (void) strcpy(one, "abcdef"); |
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523 | bzero(one+2, 2); |
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524 | equal(one, "ab"); /* Basic test. */ |
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525 | equal(one+3, ""); |
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526 | equal(one+4, "ef"); |
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527 | |
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528 | (void) strcpy(one, "abcdef"); |
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529 | bzero(one+2, 0); |
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530 | equal(one, "abcdef"); /* Zero-length copy. */ |
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531 | |
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532 | /* bcmp - somewhat like memcmp. */ |
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533 | it = "bcmp"; |
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534 | check(bcmp("a", "a", 1) == 0); /* Identity. */ |
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535 | check(bcmp("abc", "abc", 3) == 0); /* Multicharacter. */ |
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536 | check(bcmp("abcd", "abce", 4) != 0); /* Honestly unequal. */ |
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537 | check(bcmp("abce", "abcd",4)); |
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538 | check(bcmp("alph", "beta", 4) != 0); |
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539 | check(bcmp("abce", "abcd", 3) == 0); /* Count limited. */ |
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540 | check(bcmp("abc", "def", 0) == 0); /* Zero count. */ |
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541 | |
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542 | #if 0 /* strerror - VERY system-dependent. */ |
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543 | { |
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544 | extern CONST unsigned int _sys_nerr; |
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545 | extern CONST char *CONST _sys_errlist[]; |
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546 | int f; |
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547 | it = "strerror"; |
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548 | f = open("/", O_WRONLY); /* Should always fail. */ |
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549 | check(f < 0 && errno > 0 && errno < _sys_nerr); |
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550 | equal(strerror(errno), _sys_errlist[errno]); |
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551 | } |
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552 | #endif |
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553 | } |
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554 | |
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