8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / lib / libmail / inc / s_string.h
blob2153a54e02703856b5902f1d6cab5626fa781f32
1 /*
2 * CDDL HEADER START
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.
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.
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]
20 * CDDL HEADER END
22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23 /* All Rights Reserved */
27 * Copyright (c) 1999, by Sun Microsystems, Inc.
28 * All rights reserved.
31 /* This is a private header file. */
33 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.4 */
34 /* extensible strings */
36 #ifndef _S_STRING_H
37 #define _S_STRING_H
39 #include <string.h>
41 typedef struct string {
42 char *base; /* base of string */
43 char *end; /* end of allocated space+1 */
44 char *ptr; /* ptr into string */
45 } string;
48 * LINT: expect lint warnings from the following macros
49 * Some macros have an integer at the end, which has null effect according
50 * to lint, but causes the last expression to be evaluated as an int (didn't
51 * change this).
53 #define s_clone(s) s_copy((s)->ptr)
54 #define s_curlen(s) ((s)->ptr - (s)->base)
55 #define s_dup(s) s_copy((s)->base)
56 #define s_getc(s) (*((s)->ptr++))
57 #define s_peek(s) (*((s)->ptr))
58 #define s_putc(s,c) (((s)->ptr < (s)->end) ? (*((s)->ptr)++ = (char)(c)) : s_grow((s),(c)))
59 #define s_reset(s) ((s) ? (*((s)->ptr = (s)->base) = '\0' , (s)) : s_new())
60 #define s_restart(s) ((s)->ptr = (s)->base , (s))
61 #define s_skipc(s) ((s)->ptr++)
62 #define s_space(s) ((s)->end - (s)->base)
63 #define s_terminate(s) (((s)->ptr < (s)->end) ? (*(s)->ptr = 0) : (s_grow((s),0), (s)->ptr--, 0))
64 #define s_to_c(s) ((s)->base)
65 #define s_ptr_to_c(s) ((s)->ptr)
67 #ifdef __STDC__
68 extern string *s_append(string *to, char *from);
69 extern string *s_array(char *, size_t len);
70 extern string *s_copy(char *);
71 extern void s_free(string*);
72 extern int s_grow(string *sp, int c);
73 extern string *s_new(void);
74 extern string *s_parse(string *from, string *to);
75 extern char *s_read_line(FILE *fp, string *to);
76 extern size_t s_read_to_eof(FILE *fp, string *to);
77 extern string *s_seq_read(FILE *fp, string *to, int lineortoken);
78 extern void s_skipwhite(string *from);
79 extern string *s_tok(string*, char*);
80 extern void s_tolower(string*);
81 #else
82 extern string *s_append();
83 extern string *s_array();
84 extern string *s_copy();
85 extern void s_free();
86 extern int s_grow();
87 extern string *s_new();
88 extern string *s_parse();
89 extern char *s_read_line();
90 extern size_t s_read_to_eof();
91 extern string *s_seq_read();
92 extern void s_skipwhite();
93 extern string *s_tok();
94 extern void s_tolower();
95 #endif
97 /* controlling the action of s_seq_read */
98 #define TOKEN 0 /* read the next whitespace delimited token */
99 #define LINE 1 /* read the next logical input line */
100 #define s_getline(a,b) s_seq_read(a,b,LINE)
101 #define s_gettoken(a,b) s_seq_read(a,b,TOKEN)
103 #endif /* _S_STRING_H */