66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
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* Copyright 2008-2013 Various Authors
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* Copyright 2004 Timo Hirvonen
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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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
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CMUS_FORMAT_PRINT_H
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#define CMUS_FORMAT_PRINT_H
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#include "gbuf.h"
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struct format_option {
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union {
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/* NULL is treated like "" */
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const char *fo_str;
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int fo_int;
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/* [h:]mm:ss. can be negative */
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int fo_time;
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double fo_double;
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};
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/* set to 1 if you want to disable printing */
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unsigned int empty : 1;
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/* set to 1 if zero padding is allowed */
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unsigned int pad_zero : 1;
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enum { FO_STR = 1, FO_INT, FO_TIME, FO_DOUBLE } type;
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char ch;
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const char *str;
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};
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/* gcc < 4.6 and icc < 12.0 can't properly initialize anonymous unions */
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#if (defined(__GNUC__) && defined(__GNUC_MINOR__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6))) || \
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(defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1200)
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#define UNION_INIT(f, v) { .f = v }
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#else
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#define UNION_INIT(f, v) .f = v
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#endif
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#define DEF_FO_STR(c, s, z) { UNION_INIT(fo_str, ""), .type = FO_STR, .pad_zero = z, .ch = c, .str = s }
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#define DEF_FO_INT(c, s, z) { UNION_INIT(fo_int, 0), .type = FO_INT, .pad_zero = z, .ch = c, .str = s }
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#define DEF_FO_TIME(c, s, z) { UNION_INIT(fo_time, 0), .type = FO_TIME, .pad_zero = z, .ch = c, .str = s }
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#define DEF_FO_DOUBLE(c, s, z) { UNION_INIT(fo_double, 0.), .type = FO_DOUBLE, .pad_zero = z, .ch = c, .str = s }
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#define DEF_FO_END { .type = 0 }
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struct fp_len {
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int llen;
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int mlen;
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int rlen;
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};
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struct fp_len format_print(struct gbuf *buf, int str_width, const char *format, const struct format_option *fopts);
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int format_valid(const char *format, const struct format_option *fopts);
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#endif
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