1 /* $NetBSD: efun.c,v 1.6 2008/04/28 20:23:02 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _BMAKE_UTIL_H_ 33 #define _BMAKE_UTIL_H_ 34 35 #include <sys/cdefs.h> 36 #include <err.h> 37 #include <errno.h> 38 #include <string.h> 39 #include <stdlib.h> 40 #include <stdio.h> 41 #include <stdarg.h> 42 43 static void (*efunc)(int, const char *, ...) = err; 44 45 static __inline __always_inline char * 46 estrdup(const char *s) 47 { 48 char *d = strdup(s); 49 if (d == NULL) 50 (*efunc)(1, "Cannot copy string"); 51 return d; 52 } 53 54 static __inline __always_inline char * 55 estrndup(const char *s, size_t len) 56 { 57 char *d = strndup(s, len); 58 if (d == NULL) 59 (*efunc)(1, "Cannot copy string"); 60 return d; 61 } 62 63 static __inline __always_inline void * 64 emalloc(size_t n) 65 { 66 void *p = malloc(n); 67 if (p == NULL) 68 (*efunc)(1, "Cannot allocate %zu bytes", n); 69 return p; 70 } 71 72 static __inline __always_inline void * 73 ecalloc(size_t n, size_t s) 74 { 75 void *p = calloc(n, s); 76 if (p == NULL) 77 (*efunc)(1, "Cannot allocate %zu bytes", n); 78 return p; 79 } 80 81 static __inline __always_inline void * 82 erealloc(void *p, size_t n) 83 { 84 void *q = realloc(p, n); 85 if (q == NULL) 86 (*efunc)(1, "Cannot re-allocate %zu bytes", n); 87 return q; 88 } 89 90 #endif /* _BMAKE_UTIL_H_ */ 91