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5b618982b5
Recent versions of jni.h such as the one provided by Debian Jessie's OpenJDK define UNUSED in a way that conflicts with our definition and usage, so we need to explicitly undefine it before redefining it to avoid compiler noise.
126 lines
2.5 KiB
C
126 lines
2.5 KiB
C
/* Copyright (c) 2008-2014, Avian Contributors
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Permission to use, copy, modify, and/or distribute this software
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for any purpose with or without fee is hereby granted, provided
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that the above copyright notice and this permission notice appear
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in all copies.
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There is NO WARRANTY for this software. See license.txt for
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details. */
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#ifndef JNI_UTIL
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#define JNI_UTIL
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#include "stdio.h"
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#include "stdlib.h"
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#include "string.h"
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#include <avian/util/runtime-array.h>
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#undef JNIEXPORT
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#ifdef UNUSED
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#undef UNUSED
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#endif
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#if (defined __MINGW32__) || (defined _MSC_VER)
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#define PLATFORM_WINDOWS
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#define PATH_SEPARATOR ';'
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#define JNIEXPORT __declspec(dllexport)
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#else // not (defined __MINGW32__) || (defined _MSC_VER)
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#define PLATFORM_POSIX
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#define PATH_SEPARATOR ':'
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#define JNIEXPORT __attribute__((visibility("default"))) __attribute__((used))
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#endif // not (defined __MINGW32__) || (defined _MSC_VER)
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#ifdef _MSC_VER
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#define UNUSED
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typedef char int8_t;
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typedef unsigned char uint8_t;
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typedef short int16_t;
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typedef unsigned short uint16_t;
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typedef int int32_t;
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typedef unsigned int uint32_t;
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typedef __int64 int64_t;
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typedef unsigned __int64 uint64_t;
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#define INT32_MAX 2147483647
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#define not!
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#define or ||
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#define and &&
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#define xor ^
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#ifdef _M_IX86
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#define ARCH_x86_32
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#elif defined _M_X64
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#define ARCH_x86_64
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#endif
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#else // not _MSC_VER
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#define UNUSED __attribute__((unused))
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#include "stdint.h"
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#include "errno.h"
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#ifdef __i386__
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#define ARCH_x86_32
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#elif defined __x86_64__
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#define ARCH_x86_64
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#elif defined __arm__
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#define ARCH_arm
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#endif
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#endif // not _MSC_VER
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inline void throwNew(JNIEnv* e, const char* class_, const char* message, ...)
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{
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jclass c = e->FindClass(class_);
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if (c) {
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if (message) {
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static const unsigned BufferSize = 256;
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char buffer[BufferSize];
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va_list list;
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va_start(list, message);
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#ifdef _MSC_VER
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vsnprintf_s(buffer, BufferSize - 1, _TRUNCATE, message, list);
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#else
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vsnprintf(buffer, BufferSize - 1, message, list);
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#endif
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va_end(list);
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e->ThrowNew(c, buffer);
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} else {
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e->ThrowNew(c, 0);
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}
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e->DeleteLocalRef(c);
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}
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}
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inline void throwNewErrno(JNIEnv* e, const char* class_)
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{
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#ifdef _MSC_VER
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const unsigned size = 128;
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char buffer[size];
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strerror_s(buffer, size, errno);
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throwNew(e, class_, buffer);
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#else
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throwNew(e, class_, strerror(errno));
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#endif
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}
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inline void* allocate(JNIEnv* e, unsigned size)
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{
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void* p = malloc(size);
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if (p == 0) {
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throwNew(e, "java/lang/OutOfMemoryError", 0);
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}
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return p;
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}
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#endif // JNI_UTIL
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