2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2000-2008 Poul-Henning Kamp
5 * Copyright (c) 2000-2008 Dag-Erling Smørgrav
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer
13 * in this position and unchanged.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/_types.h>
37 typedef int (sbuf_drain_func)(void *, const char *, int);
40 * Structure definition
43 char *s_buf; /* storage buffer */
44 sbuf_drain_func *s_drain_func; /* drain function */
45 void *s_drain_arg; /* user-supplied drain argument */
46 int s_error; /* current error code */
47 ssize_t s_size; /* size of storage buffer */
48 ssize_t s_len; /* current length of string */
49 #define SBUF_FIXEDLEN 0x00000000 /* fixed length buffer (default) */
50 #define SBUF_AUTOEXTEND 0x00000001 /* automatically extend buffer */
51 #define SBUF_INCLUDENUL 0x00000002 /* nulterm byte is counted in len */
52 #define SBUF_DRAINTOEOR 0x00000004 /* use section 0 as drain EOR marker */
53 #define SBUF_NOWAIT 0x00000008 /* Extend with non-blocking malloc */
54 #define SBUF_USRFLAGMSK 0x0000ffff /* mask of flags the user may specify */
55 #define SBUF_DYNAMIC 0x00010000 /* s_buf must be freed */
56 #define SBUF_FINISHED 0x00020000 /* set by sbuf_finish() */
57 #define SBUF_DYNSTRUCT 0x00080000 /* sbuf must be freed */
58 #define SBUF_INSECTION 0x00100000 /* set by sbuf_start_section() */
59 #define SBUF_DRAINATEOL 0x00200000 /* drained contents ended in \n */
60 int s_flags; /* flags */
61 ssize_t s_sect_len; /* current length of section */
62 ssize_t s_rec_off; /* current record start offset */
65 #ifndef HD_COLUMN_MASK
66 #define HD_COLUMN_MASK 0xff
67 #define HD_DELIM_MASK 0xff00
68 #define HD_OMIT_COUNT (1 << 16)
69 #define HD_OMIT_HEX (1 << 17)
70 #define HD_OMIT_CHARS (1 << 18)
71 #endif /* HD_COLUMN_MASK */
77 struct sbuf *sbuf_new(struct sbuf *, char *, int, int);
78 #define sbuf_new_auto() \
79 sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND)
80 int sbuf_get_flags(struct sbuf *);
81 void sbuf_clear_flags(struct sbuf *, int);
82 void sbuf_set_flags(struct sbuf *, int);
83 void sbuf_clear(struct sbuf *);
84 int sbuf_setpos(struct sbuf *, ssize_t);
85 int sbuf_bcat(struct sbuf *, const void *, size_t);
86 int sbuf_bcpy(struct sbuf *, const void *, size_t);
87 int sbuf_cat(struct sbuf *, const char *);
88 int sbuf_cpy(struct sbuf *, const char *);
89 int sbuf_printf(struct sbuf *, const char *, ...)
91 int sbuf_vprintf(struct sbuf *, const char *, __va_list)
93 int sbuf_nl_terminate(struct sbuf *);
94 int sbuf_putc(struct sbuf *, int);
95 void sbuf_set_drain(struct sbuf *, sbuf_drain_func *, void *);
96 int sbuf_drain(struct sbuf *);
97 int sbuf_trim(struct sbuf *);
98 int sbuf_error(const struct sbuf *);
99 int sbuf_finish(struct sbuf *);
100 char *sbuf_data(struct sbuf *);
101 ssize_t sbuf_len(struct sbuf *);
102 int sbuf_done(const struct sbuf *);
103 void sbuf_delete(struct sbuf *);
104 void sbuf_start_section(struct sbuf *, ssize_t *);
105 ssize_t sbuf_end_section(struct sbuf *, ssize_t, size_t, int);
106 void sbuf_hexdump(struct sbuf *, const void *, int, const char *,
108 int sbuf_count_drain(void *arg, const char *data, int len);
109 int sbuf_printf_drain(void *arg, const char *data, int len);
110 void sbuf_putbuf(struct sbuf *);
114 struct sbuf *sbuf_uionew(struct sbuf *, struct uio *, int *);
115 int sbuf_bcopyin(struct sbuf *, const void *, size_t);
116 int sbuf_copyin(struct sbuf *, const void *, size_t);