safe_clib.h

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/*
BSD 3-Clause License
 
Copyright (c) 2022, Stable Cloud Computing, Inc.
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
 
1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
 
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 
3. Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SCC_SYS_SAFE_CLIB_H
#define _SCC_SYS_SAFE_CLIB_H
 
#include <cstdio>
#include <sys/types.h>
 
namespace scc::util
{
 
int safe_close(int fd);
int safe_close_throw(int fd);
ssize_t safe_read(int fd, void *buf, size_t count);
ssize_t safe_read_throw(int fd, void *buf, size_t count);
ssize_t safe_write(int fd, const void *buf, size_t count);
ssize_t safe_write_throw(int fd, const void *buf, size_t count);
int safe_dup(int oldfd);
int safe_dup_throw(int oldfd);
int safe_dup2(int oldfd, int newfd);
int safe_dup2_throw(int oldfd, int newfd);
 
int safe_open(const char *pathname, int flags);
int safe_open(const char *pathname, int flags, mode_t mode);
int safe_open_throw(const char *pathname, int flags);
int safe_open_throw(const char *pathname, int flags, mode_t mode);
 
FILE* safe_fopen(const char *pathname, const char *mode);
FILE* safe_fopen_throw(const char *pathname, const char *mode);
int safe_fclose(FILE* stream);
int safe_fclose_throw(FILE* stream);
int safe_fscanf(FILE *stream, const char *format, ...);
int safe_fscanf_throw(FILE *stream, const char *format, ...);
ssize_t safe_getline(char **lineptr, size_t *n, FILE *stream);
ssize_t safe_getline_throw(char **lineptr, size_t *n, FILE *stream);
int safe_truncate(const char *path, off_t length);
int safe_truncate_throw(const char *path, off_t length);
int safe_ftruncate(int fd, off_t length);
int safe_ftruncate_throw(int fd, off_t length);
 
int safe_wait(int *wstatus);
int safe_waitpid(pid_t pid, int *wstatus, int options);
int safe_wait_throw(int *wstatus);
int safe_waitpid_throw(pid_t pid, int *wstatus, int options);
 
}
 
#endif