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// Copyright 2014 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 <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/xattr.h>
#include <string>
std::string ErrorMessage(int error_number) {
char buf[1024] = "";
// In its infinite wisdom, GNU libc defines strerror_r with extended
// functionality which is not compatible with not the
// SUSv3-conformant one which returns an error code; see DESCRIPTION
// at strerror(1).
return std::string(strerror_r(error_number, buf, sizeof buf));
}
int portable_fstatat(
int dirfd, char *name, portable_stat_struct *statbuf, int flags) {
return fstatat64(dirfd, name, statbuf, flags);
}
int StatSeconds(const portable_stat_struct &statbuf, StatTimes t) {
switch (t) {
case STAT_ATIME:
return statbuf.st_atim.tv_sec;
case STAT_CTIME:
return statbuf.st_ctim.tv_sec;
case STAT_MTIME:
return statbuf.st_mtim.tv_sec;
default:
CHECK(false);
}
return 0;
}
int StatNanoSeconds(const portable_stat_struct &statbuf, StatTimes t) {
switch (t) {
case STAT_ATIME:
return statbuf.st_atim.tv_nsec;
case STAT_CTIME:
return statbuf.st_ctim.tv_nsec;
case STAT_MTIME:
return statbuf.st_mtim.tv_nsec;
default:
CHECK(false);
}
return 0;
}
ssize_t portable_getxattr(const char *path, const char *name, void *value,
size_t size) {
return ::getxattr(path, name, value, size);
}
ssize_t portable_lgetxattr(const char *path, const char *name, void *value,
size_t size) {
return ::lgetxattr(path, name, value, size);
}
int portable_sysctlbyname(const char *name_chars, long *mibp, size_t *sizep) {
errno = ENOSYS;
return -1;
}
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