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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
//
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// Compat.hh for pekwm
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// Copyright © 2009 Claes Nästén <me@pekdon.net>
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//
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// This program is licensed under the GNU GPL.
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// See the LICENSE file for more information.
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//
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#ifndef _COMPAT_HH_
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#define _COMPAT_HH_
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif // HAVE_CONFIG_H
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#include <cwchar>
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#include <cstddef>
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#ifndef HAVE_SWPRINTF
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namespace std {
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int swprintf(wchar_t *wcs, size_t maxlen, const wchar_t *format, ...);
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}
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#endif // HAVE_SWPRINTF
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#ifdef HAVE_SETENV
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extern "C" {
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#include <stdlib.h>
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}
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#else // ! HAVE_SETENV
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int setenv(const char *name, const char *value, int overwrite);
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#endif // HAVE_SETENV
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#ifdef HAVE_UNSETENV
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extern "C" {
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#include <stdlib.h>
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}
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#else // ! HAVE_UNSETENV
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int unsetenv(const char *name);
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#endif // HAVE_UNSETENV
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#ifndef HAVE_TIMERSUB
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#define timersub(a, b, result) \
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do { \
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(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
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(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
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if ((result)->tv_usec < 0) { \
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--(result)->tv_sec; \
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(result)->tv_usec += 1000000; \
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} \
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} while (0)
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#endif // HAVE_TIMERSUB
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#endif // _COMPAT_HH_
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