string.c (2190B)
1 /* 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24 /** 25 * Tests for fallback implementations of string handling routines 26 * provided in os/ subdirectory for some platforms. 27 */ 28 29 /* Test relies on assert() */ 30 #undef NDEBUG 31 32 #ifdef HAVE_DIX_CONFIG_H 33 #include <dix-config.h> 34 #endif 35 36 #include <assert.h> 37 #include "os.h" 38 #include "tests-common.h" 39 40 /* Ensure we're testing our functions, even on platforms with libc versions */ 41 #include <string.h> 42 #undef strndup 43 #define strndup my_strndup 44 char *strndup(const char *str, size_t n); 45 46 #include "../os/strndup.c" 47 48 static void 49 strndup_checks(void) 50 { 51 const char *sample = "0123456789abcdef"; 52 char *allofit; 53 54 char *firsthalf = strndup(sample, 8); 55 char *secondhalf = strndup(sample + 8, 8); 56 57 assert(strcmp(firsthalf, "01234567") == 0); 58 assert(strcmp(secondhalf, "89abcdef") == 0); 59 60 free(firsthalf); 61 free(secondhalf); 62 63 allofit = strndup(sample, 20); 64 assert(strcmp(allofit, sample) == 0); 65 free(allofit); 66 } 67 68 int 69 string_test(void) 70 { 71 strndup_checks(); 72 73 return 0; 74 }