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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [language/] [c/] [libc/] [string/] [v2_0/] [tests/] [strncpy1.c] - Rev 214
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//================================================================= // // strncpy1.c // // Testcase for C library strncpy() // //================================================================= //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later version. // // eCos is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //================================================================= //#####DESCRIPTIONBEGIN#### // // Author(s): ctarpy, jlarmour // Contributors: // Date: 2000-04-30 // Description: Contains testcode for C library strncpy() function // // //####DESCRIPTIONEND#### // INCLUDES #include <string.h> #include <cyg/infra/testcase.h> // FUNCTIONS // Functions to avoid having to use libc strings static int my_strlen(const char *s) { const char *ptr; ptr = s; for ( ptr=s ; *ptr != '\0' ; ptr++ ) ; return (int)(ptr-s); } // my_strlen() static int my_strncmp(const char *s1, const char *s2, size_t n) { if (n==0) return 0; while (n-- != 0 && *s1 == *s2) { if (n == 0 || *s1 == '\0' || *s2 == '\0') break; s1++; s2++; } return (*s1 - *s2); } // my_strncmp() 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() static char *my_strcpy(char *s1, const char *s2) { while (*s2 != '\0') { *(s1++) = *(s2++); } *s1 = '\0'; return s1; } // my_strcpy() int main( int argc, char *argv[] ) { char x[300]; char y[300]; char *ret; CYG_TEST_INIT(); CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library " "strncpy() function"); CYG_TEST_INFO("This testcase provides simple basic tests"); // Check 1 my_strcpy(x, "Nine rings for men doomed to die"); ret = strncpy(y, "Nine rings for men doomed to die", my_strlen(x)); CYG_TEST_PASS_FAIL( (my_strncmp(x, y, my_strlen(x)) == 0), "Simple copy" ); // Check return value CYG_TEST_PASS_FAIL( (y == ret), "Simple copy return value" ); // Check 2 my_strcpy(x, ""); my_strcpy(y, "Seven rings for the dwarves in their halls of stone"); ret = strncpy(y, x, 1); CYG_TEST_PASS_FAIL( (my_strcmp(y, "") == 0), "Copy empty string" ); // Check return value CYG_TEST_PASS_FAIL( (y == ret), "Copy empty string return value" ); // Check 3 my_strcpy(x, ""); my_strcpy(y, "Seven rings for the dwarves in their halls of stone"); ret = strncpy(y, x, 0); if (my_strcmp(y, "Seven rings for the dwarves " "in their halls of stone") == 0) CYG_TEST_PASS("Copy 0 characters"); else CYG_TEST_FAIL("Copy 0 characters"); // Check return value CYG_TEST_PASS_FAIL( (y == ret), "Copy empty string return value" ); // CYG_TEST_NA("Testing is not applicable to this configuration"); CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library " "strncpy() function"); } // main() // EOF strncpy1.c
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