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/*
* file/file.h - Open and read a file
*
* Written 2016 by Werner Almesberger
* Copyright 2016 by Werner Almesberger
*
* 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 2 of the License, or
* (at your option) any later version.
*/
#ifndef FILE_FILE_H
#define FILE_FILE_H
#include <stdbool.h>
#include <stdio.h>
struct file {
FILE *file; /* NULL if using a version control system */
void *vcs; /* VCS descriptor or NULL */
const char *name; /* name/designator given to file_open */
unsigned lineno;
const struct file *related; /* NULL if not related to anything */
};
void *file_oid(const struct file *file);
bool file_oid_eq(const void *a, const void *b);
bool file_cat(const struct file *file, void *user, const char *line);
char *file_graft_relative(const char *base, const char *name);
bool file_open_vcs(struct file *file, const char *name);
bool file_open(struct file *file, const char *name,
const struct file *related);
bool file_search(struct file *file, const char *name,
const char **search, unsigned n_search, const struct file *related);
bool file_open_revision(struct file *file, const char *rev, const char *name,
const struct file *related);
bool file_read(struct file *file,
bool (*parse)(const struct file *file, void *user, const char *line),
void *user);
void file_close(struct file *file);
void file_cleanup(void);
#endif /* !FILE_FILE_H */
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