1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2019 Joyent, Inc. 14 */ 15 16 #include <errno.h> 17 #include <libcustr.h> 18 #include <limits.h> 19 #include <stdio.h> 20 #include <stdlib.h> 21 #include <string.h> 22 #include <sys/debug.h> 23 24 static void 25 expect(const char *var, custr_t *cu, const char *str, const char *file, 26 size_t line) 27 { 28 if (strcmp(custr_cstr(cu), str) == 0) 29 return; 30 31 char msgbuf[256]; 32 33 (void) snprintf(msgbuf, sizeof (msgbuf), "%s == '%s' ('%s' == '%s')", 34 var, str, custr_cstr(cu), str); 35 36 (void) assfail(msgbuf, file, line); 37 } 38 39 #define EXPECT(_cu, _str) expect(#_cu, _cu, _str, __FILE__, __LINE__) 40 #define FAIL(_expr, _ev) \ 41 VERIFY3S(_expr, ==, -1); \ 42 VERIFY3S(errno, ==, (_ev)) 43 44 int 45 main(void) 46 { 47 custr_t *cu; 48 49 VERIFY0(custr_alloc(&cu)); 50 51 VERIFY0(custr_append(cu, "12345")); 52 EXPECT(cu, "12345"); 53 54 FAIL(custr_trunc(cu, 6), EINVAL); 55 FAIL(custr_rtrunc(cu, 10), EINVAL); 56 57 VERIFY0(custr_trunc(cu, 3)); 58 EXPECT(cu, "123"); 59 60 VERIFY0(custr_rtrunc(cu, 1)); 61 EXPECT(cu, "1"); 62 63 return (0); 64 } 65