mirror of
https://github.com/mpv-player/mpv
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25417a626d
MinGW maps the "printf" format string archetype to the non-standard MSVCRT functions, even if __USE_MINGW_ANSI_STDIO is defined and set to 1. We need to use "gnu_printf" to use the format strings as provided by vsnprintf and similar functions to get correct warnings. Since "gnu_printf" isn't necessarily available on other GCC compatible compilers (such as clang), do this only on MinGW.
57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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 along
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* with MPlayer; 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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#ifndef MPLAYER_MPCOMMON_H
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#define MPLAYER_MPCOMMON_H
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// both int64_t and double should be able to represent this exactly
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#define MP_NOPTS_VALUE (-1LL<<63)
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#define ROUND(x) ((int)((x) < 0 ? (x) - 0.5 : (x) + 0.5))
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#define MP_TALLOC_ELEMS(p) (talloc_get_size(p) / sizeof((p)[0]))
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#define MP_GROW_ARRAY(p, nextidx) do { \
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if ((nextidx) == MP_TALLOC_ELEMS(p)) \
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p = talloc_realloc_size(NULL, p, talloc_get_size(p) * 2); } while (0)
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#define MP_RESIZE_ARRAY(ctx, p, count) do { \
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p = talloc_realloc_size((ctx), p, (count) * sizeof(p[0])); } while (0)
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#ifdef __GNUC__
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/** Use gcc attribute to check printf fns. a1 is the 1-based index of
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* the parameter containing the format, and a2 the index of the first
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* argument. **/
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#ifdef __MINGW32__
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// MinGW maps "printf" to the non-standard MSVCRT functions, even if
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// __USE_MINGW_ANSI_STDIO is defined and set to 1. We need to use "gnu_printf",
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// which isn't necessarily available on other GCC compatible compilers.
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#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (gnu_printf, a1, a2)))
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#else
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#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (printf, a1, a2)))
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#endif
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#else
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#define PRINTF_ATTRIBUTE(a1, a2)
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#endif
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extern const char *mplayer_version;
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#endif /* MPLAYER_MPCOMMON_H */
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