mirror of https://github.com/axmolengine/axmol.git
39 lines
1010 B
C
39 lines
1010 B
C
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#ifndef ALHELPERS_H
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#define ALHELPERS_H
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#include "AL/al.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Some helper functions to get the name from the format enums. */
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const char *FormatName(ALenum type);
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/* Easy device init/deinit functions. InitAL returns 0 on success. */
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int InitAL(char ***argv, int *argc);
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void CloseAL(void);
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/* Cross-platform timeget and sleep functions. */
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int altime_get(void);
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void al_nssleep(unsigned long nsec);
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/* C doesn't allow casting between function and non-function pointer types, so
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* with C99 we need to use a union to reinterpret the pointer type. Pre-C99
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* still needs to use a normal cast and live with the warning (C++ is fine with
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* a regular reinterpret_cast).
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*/
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#if __STDC_VERSION__ >= 199901L
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#define FUNCTION_CAST(T, ptr) (union{void *p; T f;}){ptr}.f
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#elif defined(__cplusplus)
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#define FUNCTION_CAST(T, ptr) reinterpret_cast<T>(ptr)
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#else
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#define FUNCTION_CAST(T, ptr) (T)(ptr)
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif /* ALHELPERS_H */
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