utils.h

#ifndef _UTILS_H
#define _UTILS_H

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#ifndef SIZE_MAX
#define SIZE_MAX ~((size_t)1)
#endif

#ifdef __GNUC__
#define UNUSED __attribute__ ((unused))
#else
#define UNUSED
#endif

#include <sys/param.h>
#include <stdbool.h>

typedef enum {
	LOG_DEBUG = 0,
	LOG_INFO,
	LOG_WARNING,
	LOG_ERROR,
	LOG_CRITICAL,
} log_level;

#define	DARK	"\x1b[30;1m"
#define	RED	"\x1b[31;1m"
#define GREEN	"\x1b[32;1m"
#define YELLOW	"\x1b[33;1m"
#define BLUE	"\x1b[34;1m"
#define MAGENTA "\x1b[35;1m"
#define CYAN	"\x1b[36;1m"
#define WHITE	"\x1b[37;1m"
#define NOCOLOR	"\x1b[0m"


#ifdef DEBUG
#define GEN_FMT "in `%s'(%s:%d) "
#define __xlog(t, ...) _xlog(t, __VA_ARGS__)
#define xlog(t, _f, ...) __xlog(t, GEN_FMT _f, __FUNCTION__, __FILE__, __LINE__, __VA_ARGS__)

#else
#define xlog(t, ...) _xlog(t, __VA_ARGS__)
#endif

void      _xlog(int type, const char* fmt, ...);
void*     proxenet_xmalloc(size_t size);
void      proxenet_xfree(void* ptr);
void      proxenet_xzero(void* buf, size_t buflen);
void      proxenet_xclean(void* buf, size_t buflen);
void*     proxenet_xrealloc(void* oldptr, size_t new_size);
char*     proxenet_xstrdup(const char *data, size_t len);
char*     proxenet_xstrdup2(const char *data);
void      proxenet_lstrip(char* str);
void      proxenet_rstrip(char* str);
void      proxenet_strip(char* str);
int       proxenet_xsnprintf(char *str, size_t size, const char *format, ...);
bool      is_valid_plugin_path(char*, char**, char**);
bool      is_file(char*);
bool      is_dir(char*);
bool      is_readable_file(char*);
bool      is_writable_file(char*);
char*     expand_file_path(char*);
void      proxenet_hexdump(char*, int);
void      proxenet_perror(int level, int errnum);

#endif /* _UTILS_H */