1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright (c) 1999, by Sun Microsystems, Inc. 28*0Sstevel@tonic-gate * All rights reserved. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate /* This is a private header file. */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.4 */ 34*0Sstevel@tonic-gate /* extensible strings */ 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #ifndef _S_STRING_H 37*0Sstevel@tonic-gate #define _S_STRING_H 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #include <string.h> 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate typedef struct string { 42*0Sstevel@tonic-gate char *base; /* base of string */ 43*0Sstevel@tonic-gate char *end; /* end of allocated space+1 */ 44*0Sstevel@tonic-gate char *ptr; /* ptr into string */ 45*0Sstevel@tonic-gate } string; 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate /* 48*0Sstevel@tonic-gate * LINT: expect lint warnings from the following macros 49*0Sstevel@tonic-gate * Some macros have an integer at the end, which has null effect according 50*0Sstevel@tonic-gate * to lint, but causes the last expression to be evaluated as an int (didn't 51*0Sstevel@tonic-gate * change this). 52*0Sstevel@tonic-gate */ 53*0Sstevel@tonic-gate #define s_clone(s) s_copy((s)->ptr) 54*0Sstevel@tonic-gate #define s_curlen(s) ((s)->ptr - (s)->base) 55*0Sstevel@tonic-gate #define s_dup(s) s_copy((s)->base) 56*0Sstevel@tonic-gate #define s_getc(s) (*((s)->ptr++)) 57*0Sstevel@tonic-gate #define s_peek(s) (*((s)->ptr)) 58*0Sstevel@tonic-gate #define s_putc(s,c) (((s)->ptr < (s)->end) ? (*((s)->ptr)++ = (char)(c)) : s_grow((s),(c))) 59*0Sstevel@tonic-gate #define s_reset(s) ((s) ? (*((s)->ptr = (s)->base) = '\0' , (s)) : s_new()) 60*0Sstevel@tonic-gate #define s_restart(s) ((s)->ptr = (s)->base , (s)) 61*0Sstevel@tonic-gate #define s_skipc(s) ((s)->ptr++) 62*0Sstevel@tonic-gate #define s_space(s) ((s)->end - (s)->base) 63*0Sstevel@tonic-gate #define s_terminate(s) (((s)->ptr < (s)->end) ? (*(s)->ptr = 0) : (s_grow((s),0), (s)->ptr--, 0)) 64*0Sstevel@tonic-gate #define s_to_c(s) ((s)->base) 65*0Sstevel@tonic-gate #define s_ptr_to_c(s) ((s)->ptr) 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate #ifdef __STDC__ 68*0Sstevel@tonic-gate extern string *s_append(string *to, char *from); 69*0Sstevel@tonic-gate extern string *s_array(char *, size_t len); 70*0Sstevel@tonic-gate extern string *s_copy(char *); 71*0Sstevel@tonic-gate extern void s_free(string*); 72*0Sstevel@tonic-gate extern int s_grow(string *sp, int c); 73*0Sstevel@tonic-gate extern string *s_new(void); 74*0Sstevel@tonic-gate extern string *s_parse(string *from, string *to); 75*0Sstevel@tonic-gate extern char *s_read_line(FILE *fp, string *to); 76*0Sstevel@tonic-gate extern size_t s_read_to_eof(FILE *fp, string *to); 77*0Sstevel@tonic-gate extern string *s_seq_read(FILE *fp, string *to, int lineortoken); 78*0Sstevel@tonic-gate extern void s_skipwhite(string *from); 79*0Sstevel@tonic-gate extern string *s_tok(string*, char*); 80*0Sstevel@tonic-gate extern void s_tolower(string*); 81*0Sstevel@tonic-gate #else 82*0Sstevel@tonic-gate extern string *s_append(); 83*0Sstevel@tonic-gate extern string *s_array(); 84*0Sstevel@tonic-gate extern string *s_copy(); 85*0Sstevel@tonic-gate extern void s_free(); 86*0Sstevel@tonic-gate extern int s_grow(); 87*0Sstevel@tonic-gate extern string *s_new(); 88*0Sstevel@tonic-gate extern string *s_parse(); 89*0Sstevel@tonic-gate extern char *s_read_line(); 90*0Sstevel@tonic-gate extern size_t s_read_to_eof(); 91*0Sstevel@tonic-gate extern string *s_seq_read(); 92*0Sstevel@tonic-gate extern void s_skipwhite(); 93*0Sstevel@tonic-gate extern string *s_tok(); 94*0Sstevel@tonic-gate extern void s_tolower(); 95*0Sstevel@tonic-gate #endif 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate /* controlling the action of s_seq_read */ 98*0Sstevel@tonic-gate #define TOKEN 0 /* read the next whitespace delimited token */ 99*0Sstevel@tonic-gate #define LINE 1 /* read the next logical input line */ 100*0Sstevel@tonic-gate #define s_getline(a,b) s_seq_read(a,b,LINE) 101*0Sstevel@tonic-gate #define s_gettoken(a,b) s_seq_read(a,b,TOKEN) 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate #endif /* _S_STRING_H */ 104