/*
 * Utility routines.
 *
 * Licensed under GPLv2, see file COPYING in this tarball for details.
 */
#ifndef ABRTLIB_H_
#define ABRTLIB_H_

#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <setjmp.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stddef.h>
#include <string.h>
#include <sys/poll.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
/* Try to pull in PATH_MAX */
#include <limits.h>
#include <sys/param.h>
#ifndef PATH_MAX
# define PATH_MAX 256
#endif
#include <pwd.h>
#include <grp.h>
/* C++ bits */
#include <string>

/* Some libc's forget to declare these, do it ourself */
extern char **environ;
#if defined(__GLIBC__) && __GLIBC__ < 2
int vdprintf(int d, const char *format, va_list ap);
#endif


#define NORETURN __attribute__ ((noreturn))


/* Logging */
enum {
	LOGMODE_NONE = 0,
	LOGMODE_STDIO = (1 << 0),
	LOGMODE_SYSLOG = (1 << 1),
	LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO,
};
extern const char *msg_prefix;
extern const char *msg_eol;
extern int logmode;
extern int xfunc_error_retval;
extern void xfunc_die(void) NORETURN;
extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
extern void perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
extern void simple_perror_msg(const char *s);
extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
extern void simple_perror_msg_and_die(const char *s) NORETURN;
extern void perror_nomsg_and_die(void) NORETURN;
extern void perror_nomsg(void);
extern void verror_msg(const char *s, va_list p, const char *strerr);
/* This is a macro since it collides with log() from math.h */
#undef log
#define log(...) error_msg(__VA_ARGS__)

void* malloc_or_warn(size_t size);
void* xmalloc(size_t size);
void* xrealloc(void *ptr, size_t size);
void* xzalloc(size_t size);
char* xstrdup(const char *s);
char* xstrndup(const char *s, int n);

extern ssize_t safe_read(int fd, void *buf, size_t count);
// NB: will return short read on error, not -1,
// if some data was read before error occurred
extern ssize_t full_read(int fd, void *buf, size_t count);
extern void xread(int fd, void *buf, size_t count);
extern ssize_t safe_write(int fd, const void *buf, size_t count);
// NB: will return short write on error, not -1,
// if some data was written before error occurred
extern ssize_t full_write(int fd, const void *buf, size_t count);
extern void xwrite(int fd, const void *buf, size_t count);
extern void xwrite_str(int fd, const char *str);

void xpipe(int filedes[2]);
void xdup2(int from, int to);
off_t xlseek(int fd, off_t offset, int whence);
void xsetenv(const char *key, const char *value);
int xsocket(int domain, int type, int protocol);
void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
void xlisten(int s, int backlog);
ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to, socklen_t tolen);
void xstat(const char *name, struct stat *stat_buf);

void xmove_fd(int from, int to);
char* xasprintf(const char *format, ...);
std::string ssprintf(const char *format, ...);

/* copyfd_XX print read/write errors and return -1 if they occur */
off_t copyfd_eof(int src_fd, int dst_fd);
off_t copyfd_size(int src_fd, int dst_fd, off_t size);
void copyfd_exact_size(int src_fd, int dst_fd, off_t size);

#endif