1 //=================================================================
5 // Testcase for C library strncpy()
7 //=================================================================
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40 //=================================================================
41 //#####DESCRIPTIONBEGIN####
43 // Author(s): ctarpy, jlarmour
46 // Description: Contains testcode for C library strncpy() function
49 //####DESCRIPTIONEND####
54 #include <cyg/infra/testcase.h>
59 // Functions to avoid having to use libc strings
61 static int my_strlen(const char *s)
66 for ( ptr=s ; *ptr != '\0' ; ptr++ )
73 static int my_strncmp(const char *s1, const char *s2, size_t n)
78 while (n-- != 0 && *s1 == *s2)
80 if (n == 0 || *s1 == '\0' || *s2 == '\0')
90 static int my_strcmp(const char *s1, const char *s2)
92 for ( ; *s1 == *s2 ; s1++,s2++ )
102 static char *my_strcpy(char *s1, const char *s2)
104 while (*s2 != '\0') {
114 main( int argc, char *argv[] )
122 CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
123 "strncpy() function");
124 CYG_TEST_INFO("This testcase provides simple basic tests");
127 my_strcpy(x, "Nine rings for men doomed to die");
128 ret = strncpy(y, "Nine rings for men doomed to die", my_strlen(x));
129 CYG_TEST_PASS_FAIL( (my_strncmp(x, y, my_strlen(x)) == 0),
131 // Check return value
132 CYG_TEST_PASS_FAIL( (y == ret), "Simple copy return value" );
137 my_strcpy(y, "Seven rings for the dwarves in their halls of stone");
138 ret = strncpy(y, x, 1);
139 CYG_TEST_PASS_FAIL( (my_strcmp(y, "") == 0), "Copy empty string" );
140 // Check return value
141 CYG_TEST_PASS_FAIL( (y == ret), "Copy empty string return value" );
145 my_strcpy(y, "Seven rings for the dwarves in their halls of stone");
146 ret = strncpy(y, x, 0);
147 if (my_strcmp(y, "Seven rings for the dwarves "
148 "in their halls of stone") == 0)
149 CYG_TEST_PASS("Copy 0 characters");
151 CYG_TEST_FAIL("Copy 0 characters");
152 // Check return value
153 CYG_TEST_PASS_FAIL( (y == ret), "Copy empty string return value" );
155 // CYG_TEST_NA("Testing is not applicable to this configuration");
157 CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
158 "strncpy() function");