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// Copyright 2015 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/main/native/unix_jni.h"
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/extattr.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include <string>
using std::string;
// See unix_jni.h.
string ErrorMessage(int error_number) {
char buf[1024] = "";
if (strerror_r(error_number, buf, sizeof buf) < 0) {
snprintf(buf, sizeof buf, "strerror_r(%d): errno %d", error_number, errno);
}
return string(buf);
}
int portable_fstatat(int dirfd, char *name, portable_stat_struct *statbuf,
int flags) {
return fstatat(dirfd, name, statbuf, flags);
}
int StatSeconds(const portable_stat_struct &statbuf, StatTimes t) {
switch (t) {
case STAT_ATIME:
return statbuf.st_atime;
case STAT_CTIME:
return statbuf.st_ctime;
case STAT_MTIME:
return statbuf.st_mtime;
default:
CHECK(false);
}
}
int StatNanoSeconds(const portable_stat_struct &statbuf, StatTimes t) {
switch (t) {
case STAT_ATIME:
return statbuf.st_atimespec.tv_nsec;
case STAT_CTIME:
return statbuf.st_ctimespec.tv_nsec;
case STAT_MTIME:
return statbuf.st_mtimespec.tv_nsec;
default:
CHECK(false);
}
}
ssize_t portable_getxattr(const char *path, const char *name, void *value,
size_t size) {
return extattr_get_file(path, EXTATTR_NAMESPACE_SYSTEM, name, value, size);
}
ssize_t portable_lgetxattr(const char *path, const char *name, void *value,
size_t size) {
return extattr_get_link(path, EXTATTR_NAMESPACE_SYSTEM, name, value, size);
}
int portable_sysctlbyname(const char *name_chars, long *mibp, size_t *sizep) {
return sysctlbyname(name_chars, mibp, sizep, NULL, 0);
}