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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <sys/param.h> 27 #include <sys/string.h> 28 29 #define IS_DIGIT(c) ((c) >= '0' && (c) <= '9') 30 31 #define IS_ALPHA(c) \ 32 (((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z')) 33 34 char * 35 strpbrk(const char *s, const char *b) 36 { 37 const char *p; 38 39 do { 40 for (p = b; *p != '\0' && *p != *s; ++p) 41 ; 42 if (*p != '\0') 43 return ((char *)s); 44 } while (*s++); 45 46 return (NULL); 47 } 48 49 /* 50 * Convert a string into a valid C identifier by replacing invalid 51 * characters with '_'. Also makes sure the string is nul-terminated 52 * and takes up at most n bytes. 53 */ 54 void 55 strident_canon(char *s, size_t n) 56 { 57 char c; 58 char *end = s + n - 1; 59 60 if ((c = *s) == 0) 61 return; 62 63 if (!IS_ALPHA(c) && c != '_') 64 *s = '_'; 65 66 while (s < end && ((c = *(++s)) != 0)) { 67 if (!IS_ALPHA(c) && !IS_DIGIT(c) && c != '_') 68 *s = '_'; 69 } 70 *s = 0; 71 } 72