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#ifdef __wasi__
#include <stdlib.h>
#include <string.h>
#include <wasi/api.h>
extern "C" void __cxa_throw(void* ptr, void* type, void* destructor)
{
abort();
}
extern "C" void* __cxa_allocate_exception(size_t thrown_size)
{
abort();
}
extern "C" __wasi_errno_t __wasi_path_open32(__wasi_fd_t fd, __wasi_lookupflags_t dirflags, const char* path, size_t path_len, __wasi_oflags_t oflags, uint32_t fs_rights_base, uint32_t fs_rights_inherting, __wasi_fdflags_t fdflags, __wasi_fd_t* opened_fd)
__attribute__((
__import_module__("wasi_snapshot_preview1"),
__import_name__("path_open32"),
__warn_unused_result__));
__wasi_errno_t __wasi_path_open(__wasi_fd_t fd, __wasi_lookupflags_t dirflags, const char* path, size_t path_len, __wasi_oflags_t oflags, __wasi_rights_t fs_rights_base, __wasi_rights_t fs_rights_inherting, __wasi_fdflags_t fdflags, __wasi_fd_t* opened_fd)
{
return __wasi_path_open32(fd, dirflags, path, path_len, oflags, fs_rights_base, fs_rights_inherting, fdflags, opened_fd);
}
extern "C" __wasi_errno_t __wasi_fd_seek32(__wasi_fd_t fd, int32_t offset, __wasi_whence_t whence, int32_t* newoffset)
__attribute__((
__import_module__("wasi_snapshot_preview1"),
__import_name__("fd_seek32"),
__warn_unused_result__));
__wasi_errno_t __wasi_fd_seek(__wasi_fd_t fd, __wasi_filedelta_t offset, __wasi_whence_t whence, __wasi_filesize_t* newoffset)
{
int32_t newoffset32 = 0;
__wasi_errno_t result = __wasi_fd_seek32(fd, int32_t(offset), whence, &newoffset32);
*newoffset = newoffset32;
return result;
}
extern "C" int system(const char* command)
{
// WASI doesn't provide a system() equivalent; we highjack readlink here, the reasoning being that if we run against a real WASI implementation,
// the effect is more likely to be benign.
return __wasi_path_readlink(-1, command, strlen(command), 0, 0, 0);
}
#endif
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