Files
android_development/ndk/sources/android/libportable/arch-mips/statfs.c
Andrew Hsieh 78175cbcc5 Don't use errno directly
errno in MIPS is macro for "*__errno)()".  Use of errno inside
WRAP(__errno)() cause infinite loop.  This may happen in other
wrapper functions which access errno.

Change all error to *REAL(__error)()

Change-Id: I1c09d84a58855bd7896fcd4e70f740b8a0f0b386
2013-03-19 18:06:30 -07:00

65 lines
1.9 KiB
C

/*
* Copyright 2012, The Android Open Source Project
*
* 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 <portability.h>
#include <string.h>
#include <errno.h>
#include <errno_portable.h>
#include <statfs_portable.h>
static inline void statfs_ntop(struct statfs *n_statfs, struct statfs_portable *p_statfs)
{
memset(p_statfs, '\0', sizeof(struct statfs_portable));
p_statfs->f_type = n_statfs->f_type;
p_statfs->f_bsize = n_statfs->f_bsize;
p_statfs->f_blocks = n_statfs->f_blocks;
p_statfs->f_bfree = n_statfs->f_bfree;
p_statfs->f_bavail = n_statfs->f_bavail;
p_statfs->f_files = n_statfs->f_files;
p_statfs->f_ffree = n_statfs->f_ffree;
p_statfs->f_fsid = n_statfs->f_fsid;
p_statfs->f_namelen = n_statfs->f_namelen;
p_statfs->f_frsize = n_statfs->f_frsize;
}
int WRAP(statfs)(const char* path, struct statfs_portable* stat)
{
struct statfs mips_stat;
int ret;
if (invalid_pointer(stat)) {
*REAL(__errno)() = EFAULT;
return -1;
}
ret = REAL(statfs)(path, &mips_stat);
statfs_ntop(&mips_stat, stat);
return ret;
}
int WRAP(fstatfs)(int fd, struct statfs_portable* stat)
{
struct statfs mips_stat;
int ret;
if (invalid_pointer(stat)) {
*REAL(__errno)() = EFAULT;
return -1;
}
ret = REAL(fstatfs)(fd, &mips_stat);
statfs_ntop(&mips_stat, stat);
return ret;
}