54f9de6cce
Callers of the lbuf functions now check the error flag to tell if a memory allocation error ocurred.
56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
/*
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* Copyright (c) 2007, 2010, 2011, 2013-2015
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* Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SUDO_LBUF_H
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#define SUDO_LBUF_H
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/*
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* Line buffer struct.
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*/
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struct sudo_lbuf {
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int (*output)(const char *);
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char *buf;
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const char *continuation;
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int indent;
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int len;
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int size;
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short cols;
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short error;
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};
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typedef int (*sudo_lbuf_output_t)(const char *);
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__dso_public void sudo_lbuf_init_v1(struct sudo_lbuf *lbuf, sudo_lbuf_output_t output, int indent, const char *continuation, int cols);
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__dso_public void sudo_lbuf_destroy_v1(struct sudo_lbuf *lbuf);
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__dso_public bool sudo_lbuf_append_v1(struct sudo_lbuf *lbuf, const char *fmt, ...) __printflike(2, 3);
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__dso_public bool sudo_lbuf_append_quoted_v1(struct sudo_lbuf *lbuf, const char *set, const char *fmt, ...) __printflike(3, 4);
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__dso_public void sudo_lbuf_print_v1(struct sudo_lbuf *lbuf);
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__dso_public bool sudo_lbuf_error_v1(struct sudo_lbuf *lbuf);
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__dso_public void sudo_lbuf_clearerr_v1(struct sudo_lbuf *lbuf);
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#define sudo_lbuf_init(_a, _b, _c, _d, _e) sudo_lbuf_init_v1((_a), (_b), (_c), (_d), (_e))
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#define sudo_lbuf_destroy(_a) sudo_lbuf_destroy_v1((_a))
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#define sudo_lbuf_append sudo_lbuf_append_v1
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#define sudo_lbuf_append_quoted sudo_lbuf_append_quoted_v1
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#define sudo_lbuf_print(_a) sudo_lbuf_print_v1((_a))
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#define sudo_lbuf_error(_a) sudo_lbuf_error_v1((_a))
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#define sudo_lbuf_clearerr(_a) sudo_lbuf_clearerr_v1((_a))
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#endif /* SUDO_LBUF_H */
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