diff options
Diffstat (limited to '')
-rw-r--r-- | label/Android.bp | 11 | ||||
-rw-r--r-- | label/Makefile.am | 6 | ||||
-rw-r--r-- | label/Makefile.in | 632 | ||||
-rw-r--r-- | label/label.c | 142 |
4 files changed, 791 insertions, 0 deletions
diff --git a/label/Android.bp b/label/Android.bp new file mode 100644 index 0000000..05bed67 --- /dev/null +++ b/label/Android.bp @@ -0,0 +1,11 @@ +// Copyright 2020 The Android Open Source Project + +cc_binary { + name: "exfatlabel", + + srcs: [ + "label.c", + ], + defaults: ["exfatprogs-defaults"], + static_libs: ["libexfat"], +} diff --git a/label/Makefile.am b/label/Makefile.am new file mode 100644 index 0000000..3f980bb --- /dev/null +++ b/label/Makefile.am @@ -0,0 +1,6 @@ +AM_CFLAGS = -Wall -include $(top_builddir)/config.h -I$(top_srcdir)/include -fno-common +exfatlabel_LDADD = $(top_builddir)/lib/libexfat.a + +sbin_PROGRAMS = exfatlabel + +exfatlabel_SOURCES = label.c diff --git a/label/Makefile.in b/label/Makefile.in new file mode 100644 index 0000000..b79d9d5 --- /dev/null +++ b/label/Makefile.in @@ -0,0 +1,632 @@ +# Makefile.in generated by automake 1.15.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2017 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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+ fprintf(stderr, "\t-i | --volume-serial Switch to volume serial mode\n"); + fprintf(stderr, "\t-V | --version Show version\n"); + fprintf(stderr, "\t-h | --help Show help\n"); + + exit(EXIT_FAILURE); +} + +static struct option opts[] = { + {"volume-serial", no_argument, NULL, 'i' }, + {"version", no_argument, NULL, 'V' }, + {"help", no_argument, NULL, 'h' }, + {"?", no_argument, NULL, '?' }, + {NULL, 0, NULL, 0 } +}; + +int main(int argc, char *argv[]) +{ + int c; + int ret = EXIT_FAILURE; + struct exfat_blk_dev bd; + struct exfat_user_input ui; + bool version_only = false; + int serial_mode = 0; + int flags = 0; + + init_user_input(&ui); + + if (!setlocale(LC_CTYPE, "")) + exfat_err("failed to init locale/codeset\n"); + + if (argc == 2) + flags = EXFAT_GET_VOLUME_LABEL; + else if (argc == 3) + flags = EXFAT_SET_VOLUME_LABEL; + + opterr = 0; + while ((c = getopt_long(argc, argv, "iVh", opts, NULL)) != EOF) + switch (c) { + case 'i': + serial_mode = true; + if (argc == 3) + flags = EXFAT_GET_VOLUME_SERIAL; + else if (argc == 4) + flags = EXFAT_SET_VOLUME_SERIAL; + + break; + case 'V': + version_only = true; + break; + case '?': + case 'h': + default: + usage(); + } + + show_version(); + if (version_only) + exit(EXIT_FAILURE); + + if (argc < 2) + usage(); + + memset(ui.dev_name, 0, sizeof(ui.dev_name)); + snprintf(ui.dev_name, sizeof(ui.dev_name), "%s", argv[serial_mode + 1]); + + ret = exfat_get_blk_dev_info(&ui, &bd); + if (ret < 0) + goto out; + + if (serial_mode) { + /* Mode to change or display volume serial */ + if (flags == EXFAT_GET_VOLUME_SERIAL) { + ret = exfat_show_volume_serial(bd.dev_fd); + } else if (flags == EXFAT_SET_VOLUME_SERIAL) { + ui.volume_serial = strtoul(argv[3], NULL, 0); + ret = exfat_set_volume_serial(&bd, &ui); + } + } else { + struct exfat *exfat; + struct pbr *bs; + + ret = read_boot_sect(&bd, &bs); + if (ret) + goto close_fd_out; + + exfat = exfat_alloc_exfat(&bd, bs); + if (!exfat) { + free(bs); + ret = -ENOMEM; + goto close_fd_out; + } + + exfat->root = exfat_alloc_inode(ATTR_SUBDIR); + if (!exfat->root) { + ret = -ENOMEM; + goto free_exfat; + } + + exfat->root->first_clus = le32_to_cpu(exfat->bs->bsx.root_cluster); + if (exfat_root_clus_count(exfat)) { + exfat_err("failed to follow the cluster chain of root\n"); + exfat_free_inode(exfat->root); + ret = -EINVAL; + goto free_exfat; + } + + /* Mode to change or display volume label */ + if (flags == EXFAT_GET_VOLUME_LABEL) + ret = exfat_read_volume_label(exfat); + else if (flags == EXFAT_SET_VOLUME_LABEL) + ret = exfat_set_volume_label(exfat, argv[2]); + +free_exfat: + if (exfat) + exfat_free_exfat(exfat); + } + +close_fd_out: + close(bd.dev_fd); +out: + return ret; +} |