1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1998 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/param.h> 30 #include <libintl.h> 31 #include <string.h> 32 #include <stdlib.h> 33 #include <stdarg.h> 34 #include <stdio.h> 35 #include <errno.h> 36 37 #include "utils.h" 38 39 static const char PNAME_FMT[] = "%s: "; 40 static const char ERRNO_FMT[] = ": %s\n"; 41 42 static const char *pname; 43 44 /*PRINTFLIKE1*/ 45 void 46 warn(const char *format, ...) 47 { 48 int err = errno; 49 va_list alist; 50 51 if (pname != NULL) 52 (void) fprintf(stderr, gettext(PNAME_FMT), pname); 53 54 va_start(alist, format); 55 (void) vfprintf(stderr, format, alist); 56 va_end(alist); 57 58 if (strchr(format, '\n') == NULL) 59 (void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err)); 60 } 61 62 /*PRINTFLIKE1*/ 63 void 64 die(const char *format, ...) 65 { 66 int err = errno; 67 va_list alist; 68 69 if (pname != NULL) 70 (void) fprintf(stderr, gettext(PNAME_FMT), pname); 71 72 va_start(alist, format); 73 (void) vfprintf(stderr, format, alist); 74 va_end(alist); 75 76 if (strchr(format, '\n') == NULL) 77 (void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err)); 78 79 exit(E_ERROR); 80 } 81 82 const char * 83 getpname(const char *arg0) 84 { 85 const char *p = strrchr(arg0, '/'); 86 87 if (p == NULL) 88 p = arg0; 89 else 90 p++; 91 92 pname = p; 93 return (p); 94 } 95 96 int 97 valid_abspath(const char *p) 98 { 99 if (p[0] != '/') { 100 warn(gettext("pathname is not an absolute path -- %s\n"), p); 101 return (0); 102 } 103 104 if (strlen(p) > MAXPATHLEN) { 105 warn(gettext("pathname is too long -- %s\n"), p); 106 return (0); 107 } 108 109 return (1); 110 } 111 112 int 113 valid_str2int(const char *p, int *ip) 114 { 115 int i; 116 char *q; 117 118 errno = 0; 119 i = (int)strtol(p, &q, 10); 120 121 if (errno != 0 || q == p || i < 0 || (*q != '\0' && *q != '\n')) 122 return (0); 123 124 *ip = i; 125 return (1); 126 } 127 128 int 129 valid_str2ull(const char *p, unsigned long long *ullp) 130 { 131 long long ll; 132 char *q; 133 134 errno = 0; 135 ll = strtoll(p, &q, 10); 136 137 if (errno != 0 || q == p || ll < 0LL || (*q != '\0' && *q != '\n')) 138 return (0); 139 140 *ullp = (unsigned long long)ll; 141 return (1); 142 } 143