Merge everything into one filesingle-file

1 files changed, 0 insertions, 229 deletions

diff --git a/mtab.c b/mtab.c
deleted file mode 100644
index c21cf0b..0000000
--- a/mtab.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/****************************************************************************
- * bfs                                                                      *
- * Copyright (C) 2017-2019 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.           *
- ****************************************************************************/
-
-#include "mtab.h"
-#include "trie.h"
-#include "util.h"
-#include <errno.h>
-#include <fcntl.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#if BFS_HAS_SYS_PARAM
-#	include <sys/param.h>
-#endif
-
-#if BFS_HAS_MNTENT
-#	define BFS_MNTENT 1
-#elif BSD
-#	define BFS_MNTINFO 1
-#elif __SVR4
-#	define BFS_MNTTAB 1
-#endif
-
-#if BFS_MNTENT
-#	include <mntent.h>
-#	include <paths.h>
-#	include <stdio.h>
-#elif BFS_MNTINFO
-#	include <sys/mount.h>
-#	include <sys/ucred.h>
-#elif BFS_MNTTAB
-#	include <stdio.h>
-#	include <sys/mnttab.h>
-#endif
-
-struct bfs_mtab {
-	/** A map from device ID to file system type. */
-	struct trie types;
-	/** The names of all the mount points. */
-	struct trie names;
-};
-
-/**
- * Add an entry to the mount table.
- */
-static int bfs_mtab_add(struct bfs_mtab *mtab, const char *path, dev_t dev, const char *type) {
-	if (!trie_insert_str(&mtab->names, xbasename(path))) {
-		return -1;
-	}
-
-	struct trie_leaf *leaf = trie_insert_mem(&mtab->types, &dev, sizeof(dev));
-	if (!leaf) {
-		return -1;
-	}
-
-	if (leaf->value) {
-		return 0;
-	}
-
-	leaf->value = strdup(type);
-	if (leaf->value) {
-		return 0;
-	} else {
-		trie_remove(&mtab->types, leaf);
-		return -1;
-	}
-}
-
-struct bfs_mtab *parse_bfs_mtab() {
-#if BFS_MNTENT
-
-	FILE *file = setmntent(_PATH_MOUNTED, "r");
-	if (!file) {
-		// In case we're in a chroot or something with /proc but no /etc/mtab
-		file = setmntent("/proc/mounts", "r");
-	}
-	if (!file) {
-		goto fail;
-	}
-
-	struct bfs_mtab *mtab = malloc(sizeof(*mtab));
-	if (!mtab) {
-		goto fail_file;
-	}
-	trie_init(&mtab->types);
-	trie_init(&mtab->names);
-
-	struct mntent *mnt;
-	while ((mnt = getmntent(file))) {
-		struct bfs_stat sb;
-		if (bfs_stat(AT_FDCWD, mnt->mnt_dir, BFS_STAT_NOFOLLOW, &sb) != 0) {
-			continue;
-		}
-
-		if (bfs_mtab_add(mtab, mnt->mnt_dir, sb.dev, mnt->mnt_type) != 0) {
-			goto fail_mtab;
-		}
-	}
-
-	endmntent(file);
-	return mtab;
-
-fail_mtab:
-	free_bfs_mtab(mtab);
-fail_file:
-	endmntent(file);
-fail:
-	return NULL;
-
-#elif BFS_MNTINFO
-
-	struct statfs *mntbuf;
-	int size = getmntinfo(&mntbuf, MNT_WAIT);
-	if (size < 0) {
-		return NULL;
-	}
-
-	struct bfs_mtab *mtab = malloc(sizeof(*mtab));
-	if (!mtab) {
-		goto fail;
-	}
-	trie_init(&mtab->types);
-	trie_init(&mtab->names);
-
-	for (struct statfs *mnt = mntbuf; mnt < mntbuf + size; ++mnt) {
-		struct bfs_stat sb;
-		if (bfs_stat(AT_FDCWD, mnt->f_mntonname, BFS_STAT_NOFOLLOW, &sb) != 0) {
-			continue;
-		}
-
-		if (bfs_mtab_add(mtab, mnt->f_mntonname, sb.dev, mnt->f_fstypename) != 0) {
-			goto fail_mtab;
-		}
-	}
-
-	return mtab;
-
-fail_mtab:
-	free_bfs_mtab(mtab);
-fail:
-	return NULL;
-
-#elif BFS_MNTTAB
-
-	FILE *file = fopen(MNTTAB, "r");
-	if (!file) {
-		goto fail;
-	}
-
-	struct bfs_mtab *mtab = malloc(sizeof(*mtab));
-	if (!mtab) {
-		goto fail_file;
-	}
-	trie_init(&mtab->types);
-	trie_init(&mtab->names);
-
-	struct mnttab mnt;
-	while (getmntent(file, &mnt) == 0) {
-		struct bfs_stat sb;
-		if (bfs_stat(AT_FDCWD, mnt.mnt_mountp, BFS_STAT_NOFOLLOW, &sb) != 0) {
-			continue;
-		}
-
-		if (bfs_mtab_add(mtab, mnt.mnt_mountp, sb.dev, mnt.mnt_fstype) != 0) {
-			goto fail_mtab;
-		}
-	}
-
-	fclose(file);
-	return mtab;
-
-fail_mtab:
-	free_bfs_mtab(mtab);
-fail_file:
-	fclose(file);
-fail:
-	return NULL;
-
-#else
-
-	errno = ENOTSUP;
-	return NULL;
-#endif
-}
-
-const char *bfs_fstype(const struct bfs_mtab *mtab, const struct bfs_stat *statbuf) {
-	const struct trie_leaf *leaf = trie_find_mem(&mtab->types, &statbuf->dev, sizeof(statbuf->dev));
-	if (leaf) {
-		return leaf->value;
-	} else {
-		return "unknown";
-	}
-}
-
-bool bfs_maybe_mount(const struct bfs_mtab *mtab, const char *path) {
-	const char *name = xbasename(path);
-	return trie_find_str(&mtab->names, name);
-}
-
-void free_bfs_mtab(struct bfs_mtab *mtab) {
-	if (mtab) {
-		trie_destroy(&mtab->names);
-
-		struct trie_leaf *leaf;
-		while ((leaf = trie_first_leaf(&mtab->types))) {
-			free(leaf->value);
-			trie_remove(&mtab->types, leaf);
-		}
-		trie_destroy(&mtab->types);
-
-		free(mtab);
-	}
-}