#ifndef NETDATA_PROCFILE_H

#define NETDATA_PROCFILE_H 1

typedef struct {

uint32_t len; // used entries

uint32_t size; // capacity

char *words[]; // array of pointers

} pfwords;

typedef struct {

uint32_t words; // how many words this line has

uint32_t first; // the id of the first word of this line

// in the words array

} ffline;

typedef struct {

uint32_t len; // used entries

uint32_t size; // capacity

ffline lines[]; // array of lines

} pflines;

#define PROCFILE_FLAG_DEFAULT 0x00000000

#define PROCFILE_FLAG_NO_ERROR_ON_FILE_IO 0x00000001

typedef struct {

char filename[FILENAME_MAX + 1];

uint32_t flags;

int fd; // the file desriptor

size_t len; // the bytes we have placed into data

size_t size; // the bytes we have allocated for data

pflines *lines;

pfwords *words;

char separators[256];

char data[]; // allocated buffer to keep file contents

} procfile;

extern void procfile_close(procfile *ff);

extern procfile *procfile_readall(procfile *ff);

extern procfile *procfile_open(const char *filename, const char *separators, uint32_t flags);

extern procfile *procfile_reopen(procfile *ff, const char *filename, const char *separators, uint32_t flags);

extern void procfile_print(procfile *ff);

extern void procfile_set_quotes(procfile *ff, const char *quotes);

extern void procfile_set_open_close(procfile *ff, const char *open, const char *close);

extern int procfile_adaptive_initial_allocation;

#define procfile_lines(ff) (ff->lines->len)

#define procfile_linewords(ff, line) (((line) < procfile_lines(ff)) ? (ff)->lines->lines[(line)].words : 0)

#define procfile_word(ff, word) (((word) < (ff)->words->len) ? (ff)->words->words[(word)] : "")

#define procfile_line(ff, line) (((line) < procfile_lines(ff)) ? procfile_word((ff), (ff)->lines->lines[(line)].first) : "")

#define procfile_lineword(ff, line, word) (((line) < procfile_lines(ff) && (word) < procfile_linewords(ff, (line))) ? procfile_word((ff), (ff)->lines->lines[(line)].first + word) : "")

#endif /* NETDATA_PROCFILE_H */