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Add Rust impl of wasmtime_ssp_fd_prestat_dir_name

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This commit is contained in:
Jakub Konka
2019-05-02 12:57:20 +02:00
committed by Dan Gohman
parent 2549abd671
commit 3e94af81df
4 changed files with 30 additions and 37 deletions
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9
wasmtime-wasi/sandboxed-system-primitives/include/wasmtime_ssp.h
View File

@@ -497,15 +497,6 @@ __wasi_errno_t wasmtime_ssp_environ_sizes_get(
size_t *environ_buf_size
) WASMTIME_SSP_SYSCALL_NAME(environ_sizes_get) __attribute__((__warn_unused_result__));
__wasi_errno_t wasmtime_ssp_fd_prestat_dir_name(
#if !defined(WASMTIME_SSP_STATIC_CURFDS)
struct fd_prestats *prestats,
#endif
__wasi_fd_t fd,
char *path,
size_t path_len
) WASMTIME_SSP_SYSCALL_NAME(fd_prestat_dir_name) __attribute__((__warn_unused_result__));
__wasi_errno_t wasmtime_ssp_fd_close(
#if !defined(WASMTIME_SSP_STATIC_CURFDS)
struct fd_table *curfds,

27
wasmtime-wasi/sandboxed-system-primitives/src/posix.c
View File

@@ -652,33 +652,6 @@ static __wasi_errno_t fd_table_insert_fd(
return fd_table_insert(ft, fo, rights_base, rights_inheriting, out);
}
__wasi_errno_t wasmtime_ssp_fd_prestat_dir_name(
#if !defined(WASMTIME_SSP_STATIC_CURFDS)
struct fd_prestats *prestats,
#endif
__wasi_fd_t fd,
char *path,
size_t path_len
) {
rwlock_rdlock(&prestats->lock);
struct fd_prestat *prestat;
__wasi_errno_t error = fd_prestats_get_entry(prestats, fd, &prestat);
if (error != 0) {
rwlock_unlock(&prestats->lock);
return error;
}
if (path_len != prestat->dir_name_len) {
rwlock_unlock(&prestats->lock);
return EINVAL;
}
memcpy(path, prestat->dir_name, path_len);
rwlock_unlock(&prestats->lock);
return 0;
}
__wasi_errno_t wasmtime_ssp_fd_close(
#if !defined(WASMTIME_SSP_STATIC_CURFDS)
struct fd_table *curfds,