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//=================================================================

//

//        getenv.c

//

//        Testcase for C library getenv()

//

//=================================================================

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//=================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     jlarmour

// Contributors:  

// Date:          2000-04-30

// Description:   Contains testcode for C library getenv() function

//

//

//####DESCRIPTIONEND####

// INCLUDES

#include <stdlib.h>                 // Main header for stdlib functions

#include <cyg/infra/testcase.h>     // Testcase API

// GLOBALS

extern char **environ;              // Standard environment definition

// FUNCTIONS

static int

my_strcmp(const char *s1, const char *s2)

{

    for ( ; *s1 == *s2 ; s1++,s2++ )

    {

        if ( *s1 == '\0' )

            break;

    } // for

    return (*s1 - *s2);

} // my_strcmp()

int

main( int argc, char *argv[] )

{

    char *str;

    char *env1[] = { NULL };

    char *env2[] = { "WIBBLE=fred", NULL };

    char *env3[] = { "PATH=/usr/local/bin:/usr/bin",

                     "HOME=/home/fred",

                     "TEST=1234=5678",

                     "home=hatstand",

                     NULL };

    CYG_TEST_INIT();

    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C "

                  "library getenv() function");

    // Check 1

    str = getenv("ThisIsAVeryUnlikelyName");

    CYG_TEST_PASS_FAIL( str==NULL, "Simple getenv() default environ" );

    // Check 2

    environ = (char **)&env1;

    str = getenv("wibble");

    CYG_TEST_PASS_FAIL( str==NULL, "Simple getenv() with empty environ" );

    // Check 3

    environ = (char **)&env2;

    str = getenv("WIBBLE");

    CYG_TEST_PASS_FAIL( (str != NULL) && !my_strcmp(str, "fred"),

                        "Simple getenv()" );

    // Check 4

    str = getenv("wibble");

    CYG_TEST_PASS_FAIL( str==NULL,

                        "Simple getenv() for something not in the "

                        "environment" );

    // Check 5

    environ = (char **)&env3;

    str = getenv("PATH");

    CYG_TEST_PASS_FAIL( (str!= NULL) &&

                        !my_strcmp(str,"/usr/local/bin:/usr/bin"),

                        "Multiple string environment" );

    // Check 6

    str = getenv("PATh");

    CYG_TEST_PASS_FAIL( str==NULL, "getenv() for something not in the "

                        "environment for multiple string environment" );

    // Check 7

    str = getenv("home");

    CYG_TEST_PASS_FAIL( (str != NULL) && !my_strcmp(str, "hatstand"),

                        "Case-sensitive environment names" );

    // Check 8

    str = getenv("TEST");

    CYG_TEST_PASS_FAIL( (str != NULL) && !my_strcmp(str, "1234=5678"),

                        "environment value containing '='" );

//    CYG_TEST_NA("Testing is not applicable to this configuration");

    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C "

                    "library getenv() function");

} // main()

// EOF getenv.c