mirror of
https://github.com/ascii-boxes/boxes.git
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93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*
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* boxes - Command line filter to draw/remove ASCII boxes around text
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* Copyright (c) 1999-2021 Thomas Jensen and the boxes contributors
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License, version 2, as published
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* by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*/
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/*
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* Tool functions for error reporting and some string handling and other needful things
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*/
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#ifndef TOOLS_H
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#define TOOLS_H
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#include <unitypes.h>
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#include "boxes.h"
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#define BMAX(a, b) ({ /* return the larger value */ \
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__typeof__ (a) _a = (a); \
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__typeof__ (b) _b = (b); \
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_a > _b ? _a : _b; \
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})
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#define BFREE(p) { /* free memory and clear pointer */ \
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if (p) { \
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free((void *) p); \
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(p) = NULL; \
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} \
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}
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int yyerror(const char *fmt, ...);
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void regerror(char *msg);
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int empty_line(const line_t *line);
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size_t expand_tabs_into(const uint32_t *input_buffer, const int tabstop, uint32_t **text,
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size_t **tabpos, size_t *tabpos_len);
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void btrim(char *text, size_t *len);
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void btrim32(uint32_t *text, size_t *len);
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char *my_strnrstr(const char *s1, const char *s2, const size_t s2_len,
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int skip);
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int strisyes(const char *s);
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int strisno(const char *s);
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/**
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* Concatenate variable number of strings into one. This would normally be achieved via snprintf(), but that's not
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* available on all platforms where boxes is compiled.
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* @param <count> number of strings given in the following
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* @param <...> the strings
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* @returns a new string, for which new memory was allocated
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*/
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char *concat_strings_alloc(size_t count, ...);
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void concat_strings(char *dst, int max_len, int count, ...);
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char *tabbify_indent(const size_t lineno, char *indentspc, const size_t indentspc_len);
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char *nspaces(const size_t n);
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void print_input_lines(const char *heading);
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void analyze_line_ascii(line_t *line);
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int array_contains(char **array, const size_t array_len, const char *s);
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#endif
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/*EOF*/ /* vim: set cindent sw=4: */
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