/****************************************************************************
* bfs *
* Copyright (C) 2015-2019 Tavian Barnes <tavianator@tavianator.com> *
* *
* Permission to use, copy, modify, and/or distribute this software for any *
* purpose with or without fee is hereby granted. *
* *
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES *
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR *
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES *
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN *
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. *
****************************************************************************/
/**
* Implementation of all the literal expressions.
*/
#include "eval.h"
#include "bftw.h"
#include "cmdline.h"
#include "color.h"
#include "darray.h"
#include "diag.h"
#include "dstring.h"
#include "exec.h"
#include "fsade.h"
#include "mtab.h"
#include "printf.h"
#include "stat.h"
#include "trie.h"
#include "util.h"
#include <assert.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <fnmatch.h>
#include <grp.h>
#include <pwd.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
struct eval_state {
/** Data about the current file. */
const struct BFTW *ftwbuf;
/** The parsed command line. */
const struct cmdline *cmdline;
/** The bftw() callback return value. */
enum bftw_action action;
/** The eval_cmdline() return value. */
int *ret;
/** Whether to quit immediately. */
bool quit;
};
/**
* Print an error message.
*/
BFS_FORMATTER(2, 3)
static void eval_error(struct eval_state *state, const char *format, ...) {
int error = errno;
const struct cmdline *cmdline = state->cmdline;
CFILE *cerr = cmdline->cerr;
bfs_error(cmdline, "%pP: ", state->ftwbuf);
va_li