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Diffstat (limited to 'pw/sbuf/sys/sbuf.h')
| -rw-r--r-- | pw/sbuf/sys/sbuf.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/pw/sbuf/sys/sbuf.h b/pw/sbuf/sys/sbuf.h new file mode 100644 index 0000000..f2cd679 --- /dev/null +++ b/pw/sbuf/sys/sbuf.h @@ -0,0 +1,123 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2000-2008 Poul-Henning Kamp + * Copyright (c) 2000-2008 Dag-Erling Coïdan Smørgrav + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer + * in this position and unchanged. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _SYS_SBUF_H_ +#define _SYS_SBUF_H_ + +#include <sys/_types.h> + +typedef __builtin_va_list __va_list; + +struct sbuf; +typedef int (sbuf_drain_func)(void *, const char *, int); + +/* + * Structure definition + */ +struct sbuf { + char *s_buf; /* storage buffer */ + sbuf_drain_func *s_drain_func; /* drain function */ + void *s_drain_arg; /* user-supplied drain argument */ + int s_error; /* current error code */ + ssize_t s_size; /* size of storage buffer */ + ssize_t s_len; /* current length of string */ +#define SBUF_FIXEDLEN 0x00000000 /* fixed length buffer (default) */ +#define SBUF_AUTOEXTEND 0x00000001 /* automatically extend buffer */ +#define SBUF_INCLUDENUL 0x00000002 /* nulterm byte is counted in len */ +#define SBUF_DRAINTOEOR 0x00000004 /* use section 0 as drain EOR marker */ +#define SBUF_NOWAIT 0x00000008 /* Extend with non-blocking malloc */ +#define SBUF_USRFLAGMSK 0x0000ffff /* mask of flags the user may specify */ +#define SBUF_DYNAMIC 0x00010000 /* s_buf must be freed */ +#define SBUF_FINISHED 0x00020000 /* set by sbuf_finish() */ +#define SBUF_DYNSTRUCT 0x00080000 /* sbuf must be freed */ +#define SBUF_INSECTION 0x00100000 /* set by sbuf_start_section() */ +#define SBUF_DRAINATEOL 0x00200000 /* drained contents ended in \n */ + int s_flags; /* flags */ + ssize_t s_sect_len; /* current length of section */ + ssize_t s_rec_off; /* current record start offset */ +}; + +#ifndef HD_COLUMN_MASK +#define HD_COLUMN_MASK 0xff +#define HD_DELIM_MASK 0xff00 +#define HD_OMIT_COUNT (1 << 16) +#define HD_OMIT_HEX (1 << 17) +#define HD_OMIT_CHARS (1 << 18) +#endif /* HD_COLUMN_MASK */ + +__BEGIN_DECLS +/* + * API functions + */ +struct sbuf *sbuf_new(struct sbuf *, char *, int, int); +#define sbuf_new_auto() \ + sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND) +int sbuf_get_flags(struct sbuf *); +void sbuf_clear_flags(struct sbuf *, int); +void sbuf_set_flags(struct sbuf *, int); +void sbuf_clear(struct sbuf *); +int sbuf_setpos(struct sbuf *, ssize_t); +int sbuf_bcat(struct sbuf *, const void *, size_t); +int sbuf_bcpy(struct sbuf *, const void *, size_t); +int sbuf_cat(struct sbuf *, const char *); +int sbuf_cpy(struct sbuf *, const char *); +int sbuf_printf(struct sbuf *, const char *, ...) + __printflike(2, 3); +int sbuf_vprintf(struct sbuf *, const char *, __va_list) + __printflike(2, 0); +int sbuf_nl_terminate(struct sbuf *); +int sbuf_putc(struct sbuf *, int); +void sbuf_set_drain(struct sbuf *, sbuf_drain_func *, void *); +int sbuf_trim(struct sbuf *); +int sbuf_error(const struct sbuf *); +int sbuf_finish(struct sbuf *); +char *sbuf_data(struct sbuf *); +ssize_t sbuf_len(struct sbuf *); +int sbuf_done(const struct sbuf *); +void sbuf_delete(struct sbuf *); +void sbuf_start_section(struct sbuf *, ssize_t *); +ssize_t sbuf_end_section(struct sbuf *, ssize_t, size_t, int); +void sbuf_hexdump(struct sbuf *, const void *, int, const char *, + int); +int sbuf_count_drain(void *arg, const char *data, int len); +int sbuf_printf_drain(void *arg, const char *data, int len); +void sbuf_putbuf(struct sbuf *); + +#ifdef _KERNEL +struct uio; +struct sbuf *sbuf_uionew(struct sbuf *, struct uio *, int *); +int sbuf_bcopyin(struct sbuf *, const void *, size_t); +int sbuf_copyin(struct sbuf *, const void *, size_t); +#endif +__END_DECLS + +#endif |