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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2007, 2010, 2011, 2013-2015, 2023
* Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef SUDO_LBUF_H
#define SUDO_LBUF_H
/*
* Line buffer struct.
*/
struct sudo_lbuf {
int (*output)(const char *);
char *buf;
const char *continuation;
unsigned int indent;
unsigned int len;
unsigned int size;
unsigned short cols;
unsigned short error;
};
typedef int (*sudo_lbuf_output_t)(const char *);
/* Flags for sudo_lbuf_append_esc() */
#define LBUF_ESC_CNTRL 0x01
#define LBUF_ESC_BLANK 0x02
#define LBUF_ESC_QUOTE 0x04
sudo_dso_public void sudo_lbuf_init_v1(struct sudo_lbuf *lbuf, sudo_lbuf_output_t output, unsigned int indent, const char *continuation, int cols);
sudo_dso_public void sudo_lbuf_destroy_v1(struct sudo_lbuf *lbuf);
sudo_dso_public bool sudo_lbuf_append_v1(struct sudo_lbuf *lbuf, const char * restrict fmt, ...) sudo_printflike(2, 3);
sudo_dso_public bool sudo_lbuf_append_esc_v1(struct sudo_lbuf *lbuf, int flags, const char * restrict fmt, ...) sudo_printflike(3, 4);
sudo_dso_public bool sudo_lbuf_append_quoted_v1(struct sudo_lbuf *lbuf, const char *set, const char * restrict fmt, ...) sudo_printflike(3, 4);
sudo_dso_public void sudo_lbuf_print_v1(struct sudo_lbuf *lbuf);
sudo_dso_public bool sudo_lbuf_error_v1(struct sudo_lbuf *lbuf);
sudo_dso_public void sudo_lbuf_clearerr_v1(struct sudo_lbuf *lbuf);
#define sudo_lbuf_init(_a, _b, _c, _d, _e) sudo_lbuf_init_v1((_a), (_b), (_c), (_d), (_e))
#define sudo_lbuf_destroy(_a) sudo_lbuf_destroy_v1((_a))
#define sudo_lbuf_append sudo_lbuf_append_v1
#define sudo_lbuf_append_esc sudo_lbuf_append_esc_v1
#define sudo_lbuf_append_quoted sudo_lbuf_append_quoted_v1
#define sudo_lbuf_print(_a) sudo_lbuf_print_v1((_a))
#define sudo_lbuf_error(_a) sudo_lbuf_error_v1((_a))
#define sudo_lbuf_clearerr(_a) sudo_lbuf_clearerr_v1((_a))
#endif /* SUDO_LBUF_H */
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