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ez_libc.h
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ez_libc.h
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/***************************************************************************
* Copyright (C) 2018 by John D. Robertson *
* john@rrci.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
/***************************************************************************
ez_libc.h - description
glibc calls with boilerplate error handling.
-------------------
begin : Tue Nov 13 19:42:23 EST 2018
email : john@rrci.com
***************************************************************************/
#ifndef EZ_LIBC_H
#define EZ_LIBC_H
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <dirent.h>
#include <grp.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include "ez.h"
#ifdef __cplusplus
extern "C" {
#endif
ez_proto (int, access,
const char *pathname,
int mode);
#ifdef DEBUG
# define ez_access(...) \
_ez_access(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_access(...) \
_ez_access(__VA_ARGS__)
#endif
ez_proto (int, atexit,
void(*function)(void));
#ifdef DEBUG
# define ez_atexit(...) \
_ez_atexit(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_atexit(...) \
_ez_atexit(__VA_ARGS__)
#endif
ez_proto (int, chdir,
const char *path);
#ifdef DEBUG
# define ez_chdir(...) \
_ez_chdir(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_chdir(...) \
_ez_chdir(__VA_ARGS__)
#endif
ez_proto (int, chown,
const char *pathname,
uid_t owner,
gid_t group);
#ifdef DEBUG
# define ez_chown(...) \
_ez_chown(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_chown(...) \
_ez_chown(__VA_ARGS__)
#endif
ez_proto (int, close,
int fd);
#ifdef DEBUG
# define ez_close(...) \
_ez_close(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_close(...) \
_ez_close(__VA_ARGS__)
#endif
ez_proto (int, closedir,
DIR *dirp);
#ifdef DEBUG
# define ez_closedir(...) \
_ez_closedir(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_closedir(...) \
_ez_closedir(__VA_ARGS__)
#endif
ez_proto (int, dup2, int oldfd, int newfd);
#ifdef DEBUG
# define ez_dup2(...) \
_ez_dup2(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_dup2(...) \
_ez_dup2(__VA_ARGS__)
#endif
ez_proto (int, execve,
const char *filename,
char *const argv[],
char *const envp[]);
#ifdef DEBUG
# define ez_execve(...) \
_ez_execve(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_execve(...) \
_ez_execve(__VA_ARGS__)
#endif
ez_proto (int, fchmod,
int fd,
mode_t mode);
#ifdef DEBUG
# define ez_fchmod(...) \
_ez_fchmod(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fchmod(...) \
_ez_fchmod(__VA_ARGS__)
#endif
ez_proto (int, fchown,
int fd,
uid_t owner,
gid_t group);
#ifdef DEBUG
# define ez_fchown(...) \
_ez_fchown(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fchown(...) \
_ez_fchown(__VA_ARGS__)
#endif
ez_proto (int, fclose,
FILE *stream);
#ifdef DEBUG
# define ez_fclose(...) \
_ez_fclose(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fclose(...) \
_ez_fclose(__VA_ARGS__)
#endif
ez_proto (int, fflush,
FILE *stream);
#ifdef DEBUG
# define ez_fflush(...) \
_ez_fflush(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fflush(...) \
_ez_fflush(__VA_ARGS__)
#endif
ez_proto (char*, fgets,
char *s,
int size,
FILE *stream);
#ifdef DEBUG
# define ez_fgets(...) \
_ez_fgets(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fgets(...) \
_ez_fgets(__VA_ARGS__)
#endif
ez_proto (FILE*, fdopen,
int fd,
const char *mode);
#ifdef DEBUG
# define ez_fdopen(...) \
_ez_fdopen(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fdopen(...) \
_ez_fdopen(__VA_ARGS__)
#endif
ez_proto (int, flock,
int fd,
int operation);
#ifdef DEBUG
# define ez_flock(...) \
_ez_flock(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_flock(...) \
_ez_flock(__VA_ARGS__)
#endif
ez_proto (FILE*, fopen,
const char *pathname,
const char *mode);
#ifdef DEBUG
# define ez_fopen(...) \
_ez_fopen(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fopen(...) \
_ez_fopen(__VA_ARGS__)
#endif
ez_proto (pid_t, fork);
#ifdef DEBUG
# define ez_fork(...) \
_ez_fork(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fork(...) \
_ez_fork(__VA_ARGS__)
#endif
ez_proto (int, fprintf,
FILE *stream,
const char *fmt,
...);
#ifdef DEBUG
# define ez_fprintf(...) \
_ez_fprintf(__FILE__, __LINE__, __func__, __VA_ARGS__)
#else
# define ez_fprintf(...) \
_ez_fprintf(__VA_ARGS__)
#endif
ez_proto (int, fputc,
int c,
FILE *stream);
#ifdef DEBUG
# define ez_fputc(...) \
_ez_fputc(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fputc(...) \
_ez_fputc(__VA_ARGS__)
#endif
ez_proto (int, fputs,
const char *s,
FILE *stream);
#ifdef DEBUG
# define ez_fputs(...) \
_ez_fputs(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fputs(...) \
_ez_fputs(__VA_ARGS__)
#endif
ez_proto (size_t, fread,
void *ptr,
size_t size,
size_t nmemb,
FILE *stream);
#ifdef DEBUG
# define ez_fread(...) \
_ez_fread(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fread(...) \
_ez_fread(__VA_ARGS__)
#endif
ez_proto (size_t, fwrite,
const void *ptr,
size_t size,
size_t nmemb,
FILE *stream);
#ifdef DEBUG
# define ez_fwrite(...) \
_ez_fwrite(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_fwrite(...) \
_ez_fwrite(__VA_ARGS__)
#endif
ez_proto (int, getaddrinfo,
const char *node,
const char *service,
const struct addrinfo *hints,
struct addrinfo **res);
#ifdef DEBUG
# define ez_getaddrinfo(...) \
_ez_getaddrinfo(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_getaddrinfo(...) \
_ez_getaddrinfo(__VA_ARGS__)
#endif
ez_proto (int, getnameinfo,
const struct sockaddr *addr,
socklen_t addrlen,
char *host,
socklen_t hostlen,
char *serv,
socklen_t servlen,
int flags);
#ifdef DEBUG
# define ez_getnameinfo(...) \
_ez_getnameinfo(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_getnameinfo(...) \
_ez_getnameinfo(__VA_ARGS__)
#endif
ez_proto (struct group*, getgrnam,
const char *name);
#ifdef DEBUG
# define ez_getgrnam(...) \
_ez_getgrnam(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_getgrnam(...) \
_ez_getgrnam(__VA_ARGS__)
#endif
ez_proto (int, mkdir,
const char *pathname,
mode_t mode);
#ifdef DEBUG
# define ez_mkdir(...) \
_ez_mkdir(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_mkdir(...) \
_ez_mkdir(__VA_ARGS__)
#endif
ez_proto (int, mkstemp,
char *tmpl);
#ifdef DEBUG
# define ez_mkstemp(...) \
_ez_mkstemp(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_mkstemp(...) \
_ez_mkstemp(__VA_ARGS__)
#endif
ez_proto (int, mkstemps, char *tmpl, int suffixlen);
#ifdef DEBUG
# define ez_mkstemps(...) \
_ez_mkstemps(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_mkstemps(...) \
_ez_mkstemps(__VA_ARGS__)
#endif
ez_proto (int, open,
const char *pathname,
int flags,
mode_t mode);
#ifdef DEBUG
# define ez_open(...) \
_ez_open(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_open(...) \
_ez_open(__VA_ARGS__)
#endif
ez_proto (DIR*, opendir,
const char *name);
#ifdef DEBUG
# define ez_opendir(...) \
_ez_opendir(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_opendir(...) \
_ez_opendir(__VA_ARGS__)
#endif
ez_proto (int, pclose,
FILE *stream);
#ifdef DEBUG
# define ez_pclose(...) \
_ez_pclose(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_pclose(...) \
_ez_pclose(__VA_ARGS__)
#endif
ez_proto (int, pipe, int pipefd[2]);
#ifdef DEBUG
# define ez_pipe(...) \
_ez_pipe(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_pipe(...) \
_ez_pipe(__VA_ARGS__)
#endif
ez_proto (FILE*, popen,
const char *command,
const char *type);
#ifdef DEBUG
# define ez_popen(...) \
_ez_popen(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_popen(...) \
_ez_popen(__VA_ARGS__)
#endif
ez_proto (struct dirent*, readdir,
DIR *dirp);
#ifdef DEBUG
# define ez_readdir(...) \
_ez_readdir(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_readdir(...) \
_ez_readdir(__VA_ARGS__)
#endif
ez_proto (int, remove,
const char *pathname);
#ifdef DEBUG
# define ez_remove(...) \
_ez_remove(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_remove(...) \
_ez_remove(__VA_ARGS__)
#endif
ez_proto (int, rename,
const char *oldpath,
const char *newpath);
#ifdef DEBUG
# define ez_rename(...) \
_ez_rename(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_rename(...) \
_ez_rename(__VA_ARGS__)
#endif
ez_proto (int, rmdir,
const char *pathname);
#ifdef DEBUG
# define ez_rmdir(...) \
_ez_rmdir(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_rmdir(...) \
_ez_rmdir(__VA_ARGS__)
#endif
ez_proto (int, setegid,
gid_t egid);
#ifdef DEBUG
# define ez_setegid(...) \
_ez_setegid(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_setegid(...) \
_ez_setegid(__VA_ARGS__)
#endif
ez_proto (int, seteuid,
uid_t euid);
#ifdef DEBUG
# define ez_seteuid(...) \
_ez_seteuid(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_seteuid(...) \
_ez_seteuid(__VA_ARGS__)
#endif
ez_proto (int, setgid,
gid_t gid);
#ifdef DEBUG
# define ez_setgid(...) \
_ez_setgid(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_setgid(...) \
_ez_setgid(__VA_ARGS__)
#endif
ez_proto (int, setuid,
uid_t uid);
#ifdef DEBUG
# define ez_setuid(...) \
_ez_setuid(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_setuid(...) \
_ez_setuid(__VA_ARGS__)
#endif
ez_proto (int, stat,
const char *pathname,
struct stat *statbuf);
#ifdef DEBUG
# define ez_stat(...) \
_ez_stat(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_stat(...) \
_ez_stat(__VA_ARGS__)
#endif
ez_proto (char*, strptime,
const char *s,
const char *format,
struct tm *tm);
#ifdef DEBUG
# define ez_strptime(...) \
_ez_strptime(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_strptime(...) \
_ez_strptime(__VA_ARGS__)
#endif
ez_proto (int, unlink,
const char *pathname);
#ifdef DEBUG
# define ez_unlink(...) \
_ez_unlink(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_unlink(...) \
_ez_unlink(__VA_ARGS__)
#endif
ez_proto (int, vfprintf,
FILE *stream,
const char *fmt,
va_list ap);
#ifdef DEBUG
# define ez_vfprintf(...) \
_ez_vfprintf(__FILE__, __LINE__, __func__, __VA_ARGS__)
#else
# define ez_vfprintf(...) \
_ez_vfprintf(__VA_ARGS__)
#endif
ez_proto (ssize_t, write,
int fd,
const void *buf,
size_t count);
#ifdef DEBUG
# define ez_write(...) \
_ez_write(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_write(...) \
_ez_write(__VA_ARGS__)
#endif
#if 0
// FIXME: this needs to be implemented and tested
ez_proto (ssize_t read,
int fd,
void *buf,
size_t count);
#ifdef DEBUG
# define ez_read(...) \
_ez_read(__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
# define ez_read(...) \
_ez_read(__VA_ARGS__)
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif