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/*
* dump2tar - tool to dump files and command output into a tar archive
*
* Helper functions
*
* Copyright IBM Corp. 2016, 2017
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef MISC_H
#define MISC_H
#include <stdbool.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <time.h>
#include "lib/util_libc.h"
#include "global.h"
#define MSG_LEN 256
#define DBG(...) \
do { \
if (global_debug) \
debug(__FILE__, __LINE__, ##__VA_ARGS__); \
} while (0)
#define mwarn(fmt, ...) _mwarn(true, (fmt), ##__VA_ARGS__)
#define mwarnx(fmt, ...) _mwarn(false, (fmt), ##__VA_ARGS__)
/* Helper macro for constructing messages in variables */
#define HANDLE_RC(rc, max, off, label) \
do { \
if ((rc) > 0) \
(off) += (rc); \
if ((off) > (max)) \
goto label; \
} while (0)
/* Program exit codes */
#define EXIT_OK 0
#define EXIT_RUNTIME 1
#define EXIT_USAGE 2
/* Number of nanoseconds in a second */
#define NSEC_PER_SEC 1000000000L
#define NSEC_PER_MSEC 1000000L
#define NSEC_PER_USEC 1000L
extern struct timespec main_start_ts;
struct dref;
int misc_write_data(int fd, char *addr, size_t len);
ssize_t misc_read_data(int fd, char *addr, size_t len);
void inc_timespec(struct timespec *ts, time_t sec, long nsec);
void set_timespec(struct timespec *ts, time_t sec, long nsec);
bool ts_before(struct timespec *a, struct timespec *b);
int snprintf_duration(char *buff, size_t len, struct timespec *start,
struct timespec *end);
char *get_threadname(void);
void debug(const char *file, unsigned long line, const char *format, ...);
void _mwarn(bool print_errno, const char *format, ...);
void verb(const char *format, ...);
void info(const char *format, ...);
#define mmalloc(len) util_zalloc(len)
#define mcalloc(n, len) util_zalloc((n) * (len))
#define mrealloc(ptr, len) util_realloc((ptr), (len))
#define mstrdup(str) util_strdup(str)
#define masprintf(fmt, ...) __masprintf(__func__, __FILE__, __LINE__, \
(fmt), ##__VA_ARGS__)
char *__masprintf(const char *func, const char *file, int line,
const char *fmt, ...);
#define set_threadname(fmt, ...) __set_threadname(__func__, __FILE__, \
__LINE__, (fmt), \
##__VA_ARGS__)
void __set_threadname(const char *func, const char *file, int line,
const char *fmt, ...);
void clear_threadname(void);
void chomp(char *str, char *c);
void lchomp(char *str, char *c);
void remove_double_slashes(char *str);
int stat_file(bool dereference, const char *abs, const char *rel,
struct dref *dref, struct stat *st);
void set_dummy_stat(struct stat *st);
bool starts_with(const char *str, const char *prefix);
bool ends_with(const char *str, const char *suffix);
int cmd_child(int fd, char *cmd);
int cmd_open(char *cmd, pid_t *pid_ptr);
int cmd_close(int fd, pid_t pid, int *status_ptr);
void misc_init(void);
void misc_cleanup(void);
void set_stdout_data(void);
#endif /* MISC_H */
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