From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sat, 4 Apr 2015 21:04:32 +0000 (+0200)
Subject: libsparse: remove unused files
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fmake_ext4fs.git;a=commitdiff_plain;h=2964e1c7361424c30405b348fe545f7bb3fc290c

libsparse: remove unused files

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
---

diff --git a/libsparse/Android.mk b/libsparse/Android.mk
deleted file mode 100644
index 925b98b..0000000
--- a/libsparse/Android.mk
+++ /dev/null
@@ -1,110 +0,0 @@
-# Copyright 2010 The Android Open Source Project
-
-LOCAL_PATH:= $(call my-dir)
-
-libsparse_src_files := \
-        backed_block.c \
-        output_file.c \
-        sparse.c \
-        sparse_crc32.c \
-        sparse_err.c \
-        sparse_read.c
-
-
-include $(CLEAR_VARS)
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
-LOCAL_SRC_FILES := $(libsparse_src_files)
-LOCAL_MODULE := libsparse_host
-LOCAL_STATIC_LIBRARIES := libz
-LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
-LOCAL_CFLAGS := -Werror
-include $(BUILD_HOST_STATIC_LIBRARY)
-
-
-include $(CLEAR_VARS)
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
-LOCAL_SRC_FILES := $(libsparse_src_files)
-LOCAL_MODULE := libsparse
-LOCAL_C_INCLUDES += $(LOCAL_PATH)/include
-LOCAL_SHARED_LIBRARIES := \
-    libz
-LOCAL_CFLAGS := -Werror
-include $(BUILD_SHARED_LIBRARY)
-
-
-include $(CLEAR_VARS)
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
-LOCAL_SRC_FILES := $(libsparse_src_files)
-LOCAL_MODULE := libsparse_static
-LOCAL_C_INCLUDES += $(LOCAL_PATH)/include
-LOCAL_STATIC_LIBRARIES := libz
-LOCAL_CFLAGS := -Werror
-include $(BUILD_STATIC_LIBRARY)
-
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := simg2img.c \
-	sparse_crc32.c
-LOCAL_MODULE := simg2img_host
-# Need a unique module name, but exe should still be called simg2img
-LOCAL_MODULE_STEM := simg2img
-LOCAL_STATIC_LIBRARIES := \
-    libsparse_host \
-    libz
-LOCAL_CFLAGS := -Werror
-include $(BUILD_HOST_EXECUTABLE)
-
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := simg2img.c \
-	sparse_crc32.c
-LOCAL_MODULE := simg2img
-LOCAL_STATIC_LIBRARIES := \
-    libsparse_static \
-    libz
-LOCAL_CFLAGS := -Werror
-include $(BUILD_EXECUTABLE)
-
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := img2simg.c
-LOCAL_MODULE := img2simg_host
-# Need a unique module name, but exe should still be called simg2img
-LOCAL_MODULE_STEM := img2simg
-LOCAL_STATIC_LIBRARIES := \
-    libsparse_host \
-    libz
-LOCAL_CFLAGS := -Werror
-include $(BUILD_HOST_EXECUTABLE)
-
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := img2simg.c
-LOCAL_MODULE := img2simg
-LOCAL_STATIC_LIBRARIES := \
-    libsparse_static \
-    libz
-LOCAL_CFLAGS := -Werror
-include $(BUILD_EXECUTABLE)
-
-
-ifneq ($(HOST_OS),windows)
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := append2simg.c
-LOCAL_MODULE := append2simg
-LOCAL_STATIC_LIBRARIES := \
-    libsparse_host \
-    libz
-LOCAL_CFLAGS := -Werror
-include $(BUILD_HOST_EXECUTABLE)
-
-endif
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := simg_dump.py
-LOCAL_SRC_FILES := simg_dump.py
-LOCAL_MODULE_CLASS := EXECUTABLES
-LOCAL_IS_HOST_MODULE := true
-LOCAL_CFLAGS := -Werror
-include $(BUILD_PREBUILT)
diff --git a/libsparse/append2simg.c b/libsparse/append2simg.c
deleted file mode 100644
index 1cf827c..0000000
--- a/libsparse/append2simg.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _FILE_OFFSET_BITS 64
-#define _LARGEFILE64_SOURCE 1
-#define _GNU_SOURCE
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <sparse/sparse.h>
-#include "sparse_file.h"
-#include "backed_block.h"
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-#if defined(__APPLE__) && defined(__MACH__)
-#define lseek64 lseek
-#endif
-#if defined(__APPLE__) && defined(__MACH__)
-#define lseek64 lseek
-#define off64_t off_t
-#endif
-
-void usage()
-{
-    fprintf(stderr, "Usage: append2simg <output> <input>\n");
-}
-
-int main(int argc, char *argv[])
-{
-    int output;
-    int output_block;
-    char *output_path;
-    struct sparse_file *sparse_output;
-
-    int input;
-    char *input_path;
-    off64_t input_len;
-
-    int tmp_fd;
-    char *tmp_path;
-
-    int ret;
-
-    if (argc == 3) {
-        output_path = argv[1];
-        input_path = argv[2];
-    } else {
-        usage();
-        exit(-1);
-    }
-
-    ret = asprintf(&tmp_path, "%s.append2simg", output_path);
-    if (ret < 0) {
-        fprintf(stderr, "Couldn't allocate filename\n");
-        exit(-1);
-    }
-
-    output = open(output_path, O_RDWR | O_BINARY);
-    if (output < 0) {
-        fprintf(stderr, "Couldn't open output file (%s)\n", strerror(errno));
-        exit(-1);
-    }
-
-    sparse_output = sparse_file_import_auto(output, true, true);
-    if (!sparse_output) {
-        fprintf(stderr, "Couldn't import output file\n");
-        exit(-1);
-    }
-
-    input = open(input_path, O_RDONLY | O_BINARY);
-    if (input < 0) {
-        fprintf(stderr, "Couldn't open input file (%s)\n", strerror(errno));
-        exit(-1);
-    }
-
-    input_len = lseek64(input, 0, SEEK_END);
-    if (input_len < 0) {
-        fprintf(stderr, "Couldn't get input file length (%s)\n", strerror(errno));
-        exit(-1);
-    } else if (input_len % sparse_output->block_size) {
-        fprintf(stderr, "Input file is not a multiple of the output file's block size");
-        exit(-1);
-    }
-    lseek64(input, 0, SEEK_SET);
-
-    output_block = sparse_output->len / sparse_output->block_size;
-    if (sparse_file_add_fd(sparse_output, input, 0, input_len, output_block) < 0) {
-        fprintf(stderr, "Couldn't add input file\n");
-        exit(-1);
-    }
-    sparse_output->len += input_len;
-
-    tmp_fd = open(tmp_path, O_WRONLY | O_CREAT | O_BINARY, 0664);
-    if (tmp_fd < 0) {
-        fprintf(stderr, "Couldn't open temporary file (%s)\n", strerror(errno));
-        exit(-1);
-    }
-
-    lseek64(output, 0, SEEK_SET);
-    if (sparse_file_write(sparse_output, tmp_fd, false, true, false) < 0) {
-        fprintf(stderr, "Failed to write sparse file\n");
-        exit(-1);
-    }
-
-    sparse_file_destroy(sparse_output);
-    close(tmp_fd);
-    close(output);
-    close(input);
-
-    ret = rename(tmp_path, output_path);
-    if (ret < 0) {
-        fprintf(stderr, "Failed to rename temporary file (%s)\n", strerror(errno));
-        exit(-1);
-    }
-
-    free(tmp_path);
-
-    exit(0);
-}
diff --git a/libsparse/img2simg.c b/libsparse/img2simg.c
deleted file mode 100644
index a0db36f..0000000
--- a/libsparse/img2simg.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _FILE_OFFSET_BITS 64
-#define _LARGEFILE64_SOURCE 1
-
-#include <fcntl.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <sparse/sparse.h>
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-#if defined(__APPLE__) && defined(__MACH__)
-#define lseek64 lseek
-#define off64_t off_t
-#endif
-
-void usage()
-{
-    fprintf(stderr, "Usage: img2simg <raw_image_file> <sparse_image_file> [<block_size>]\n");
-}
-
-int main(int argc, char *argv[])
-{
-	int in;
-	int out;
-	int ret;
-	struct sparse_file *s;
-	unsigned int block_size = 4096;
-	off64_t len;
-
-	if (argc < 3 || argc > 4) {
-		usage();
-		exit(-1);
-	}
-
-	if (argc == 4) {
-		block_size = atoi(argv[3]);
-	}
-
-	if (block_size < 1024 || block_size % 4 != 0) {
-		usage();
-		exit(-1);
-	}
-
-	if (strcmp(argv[1], "-") == 0) {
-		in = STDIN_FILENO;
-	} else {
-		in = open(argv[1], O_RDONLY | O_BINARY);
-		if (in < 0) {
-			fprintf(stderr, "Cannot open input file %s\n", argv[1]);
-			exit(-1);
-		}
-	}
-
-	if (strcmp(argv[2], "-") == 0) {
-		out = STDOUT_FILENO;
-	} else {
-		out = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
-		if (out < 0) {
-			fprintf(stderr, "Cannot open output file %s\n", argv[2]);
-			exit(-1);
-		}
-	}
-
-	len = lseek64(in, 0, SEEK_END);
-	lseek64(in, 0, SEEK_SET);
-
-	s = sparse_file_new(block_size, len);
-	if (!s) {
-		fprintf(stderr, "Failed to create sparse file\n");
-		exit(-1);
-	}
-
-	sparse_file_verbose(s);
-	ret = sparse_file_read(s, in, false, false);
-	if (ret) {
-		fprintf(stderr, "Failed to read file\n");
-		exit(-1);
-	}
-
-	ret = sparse_file_write(s, out, false, true, false);
-	if (ret) {
-		fprintf(stderr, "Failed to write sparse file\n");
-		exit(-1);
-	}
-
-	close(in);
-	close(out);
-
-	exit(0);
-}
diff --git a/libsparse/simg2img.c b/libsparse/simg2img.c
deleted file mode 100644
index 95e9b5b..0000000
--- a/libsparse/simg2img.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <sparse/sparse.h>
-
-#include <fcntl.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-void usage()
-{
-  fprintf(stderr, "Usage: simg2img <sparse_image_files> <raw_image_file>\n");
-}
-
-int main(int argc, char *argv[])
-{
-	int in;
-	int out;
-	int i;
-	int ret;
-	struct sparse_file *s;
-
-	if (argc < 3) {
-		usage();
-		exit(-1);
-	}
-
-	out = open(argv[argc - 1], O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
-	if (out < 0) {
-		fprintf(stderr, "Cannot open output file %s\n", argv[argc - 1]);
-		exit(-1);
-	}
-
-	for (i = 1; i < argc - 1; i++) {
-		if (strcmp(argv[i], "-") == 0) {
-			in = STDIN_FILENO;
-		} else {
-			in = open(argv[i], O_RDONLY | O_BINARY);
-			if (in < 0) {
-				fprintf(stderr, "Cannot open input file %s\n", argv[i]);
-				exit(-1);
-			}
-		}
-
-		s = sparse_file_import(in, true, false);
-		if (!s) {
-			fprintf(stderr, "Failed to read sparse file\n");
-			exit(-1);
-		}
-
-		lseek(out, SEEK_SET, 0);
-
-		ret = sparse_file_write(s, out, false, false, false);
-		if (ret < 0) {
-			fprintf(stderr, "Cannot write output file\n");
-			exit(-1);
-		}
-		sparse_file_destroy(s);
-		close(in);
-	}
-
-	close(out);
-
-	exit(0);
-}
-
diff --git a/libsparse/simg2simg.c b/libsparse/simg2simg.c
deleted file mode 100644
index 5f9ccf6..0000000
--- a/libsparse/simg2simg.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _FILE_OFFSET_BITS 64
-#define _LARGEFILE64_SOURCE 1
-#define _GNU_SOURCE
-
-#include <fcntl.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <sparse/sparse.h>
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-void usage()
-{
-  fprintf(stderr, "Usage: simg2simg <sparse image file> <sparse_image_file> <max_size>\n");
-}
-
-int main(int argc, char *argv[])
-{
-	int in;
-	int out;
-	int i;
-	int ret;
-	struct sparse_file *s;
-	int64_t max_size;
-	struct sparse_file **out_s;
-	int files;
-	char filename[4096];
-
-	if (argc != 4) {
-		usage();
-		exit(-1);
-	}
-
-	max_size = atoll(argv[3]);
-
-	in = open(argv[1], O_RDONLY | O_BINARY);
-	if (in < 0) {
-		fprintf(stderr, "Cannot open input file %s\n", argv[1]);
-		exit(-1);
-	}
-
-	s = sparse_file_import(in, true, false);
-	if (!s) {
-		fprintf(stderr, "Failed to import sparse file\n");
-		exit(-1);
-	}
-
-	files = sparse_file_resparse(s, max_size, NULL, 0);
-	if (files < 0) {
-		fprintf(stderr, "Failed to resparse\n");
-		exit(-1);
-	}
-
-	out_s = calloc(sizeof(struct sparse_file *), files);
-	if (!out_s) {
-		fprintf(stderr, "Failed to allocate sparse file array\n");
-		exit(-1);
-	}
-
-	files = sparse_file_resparse(s, max_size, out_s, files);
-	if (files < 0) {
-		fprintf(stderr, "Failed to resparse\n");
-		exit(-1);
-	}
-
-	for (i = 0; i < files; i++) {
-		ret = snprintf(filename, sizeof(filename), "%s.%d", argv[2], i);
-		if (ret >= (int)sizeof(filename)) {
-			fprintf(stderr, "Filename too long\n");
-			exit(-1);
-		}
-
-		out = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
-		if (out < 0) {
-			fprintf(stderr, "Cannot open output file %s\n", argv[2]);
-			exit(-1);
-		}
-
-		ret = sparse_file_write(out_s[i], out, false, true, false);
-		if (ret) {
-			fprintf(stderr, "Failed to write sparse file\n");
-			exit(-1);
-		}
-		close(out);
-	}
-
-	close(in);
-
-	exit(0);
-}
diff --git a/libsparse/simg_dump.py b/libsparse/simg_dump.py
deleted file mode 100755
index 6ece31d..0000000
--- a/libsparse/simg_dump.py
+++ /dev/null
@@ -1,169 +0,0 @@
-#! /usr/bin/env python
-
-# Copyright (C) 2012 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from __future__ import print_function
-import getopt, posixpath, signal, struct, sys
-
-def usage(argv0):
-  print("""
-Usage: %s [-v] sparse_image_file ...
- -v             verbose output
-""" % ( argv0 ))
-  sys.exit(2)
-
-def main():
-
-  signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
-  me = posixpath.basename(sys.argv[0])
-
-  # Parse the command line
-  verbose = 0			# -v
-  try:
-    opts, args = getopt.getopt(sys.argv[1:],
-                               "v",
-                               ["verbose"])
-  except getopt.GetoptError, e:
-    print(e)
-    usage(me)
-  for o, a in opts:
-    if o in ("-v", "--verbose"):
-      verbose += 1
-    else:
-      print("Unrecognized option \"%s\"" % (o))
-      usage(me)
-
-  if len(args) == 0:
-    print("No sparse_image_file specified")
-    usage(me)
-
-  for path in args:
-    FH = open(path, 'rb')
-    header_bin = FH.read(28)
-    header = struct.unpack("<I4H4I", header_bin)
-
-    magic = header[0]
-    major_version = header[1]
-    minor_version = header[2]
-    file_hdr_sz = header[3]
-    chunk_hdr_sz = header[4]
-    blk_sz = header[5]
-    total_blks = header[6]
-    total_chunks = header[7]
-    image_checksum = header[8]
-
-    if magic != 0xED26FF3A:
-      print("%s: %s: Magic should be 0xED26FF3A but is 0x%08X"
-            % (me, path, magic))
-      continue
-    if major_version != 1 or minor_version != 0:
-      print("%s: %s: I only know about version 1.0, but this is version %u.%u"
-            % (me, path, major_version, minor_version))
-      continue
-    if file_hdr_sz != 28:
-      print("%s: %s: The file header size was expected to be 28, but is %u."
-            % (me, path, file_hdr_sz))
-      continue
-    if chunk_hdr_sz != 12:
-      print("%s: %s: The chunk header size was expected to be 12, but is %u."
-            % (me, path, chunk_hdr_sz))
-      continue
-
-    print("%s: Total of %u %u-byte output blocks in %u input chunks."
-          % (path, total_blks, blk_sz, total_chunks))
-
-    if image_checksum != 0:
-      print("checksum=0x%08X" % (image_checksum))
-
-    if not verbose:
-      continue
-    print("            input_bytes      output_blocks")
-    print("chunk    offset     number  offset  number")
-    offset = 0
-    for i in xrange(1,total_chunks+1):
-      header_bin = FH.read(12)
-      header = struct.unpack("<2H2I", header_bin)
-      chunk_type = header[0]
-      reserved1 = header[1]
-      chunk_sz = header[2]
-      total_sz = header[3]
-      data_sz = total_sz - 12
-
-      print("%4u %10u %10u %7u %7u" % (i, FH.tell(), data_sz, offset, chunk_sz),
-            end=" ")
-
-      if chunk_type == 0xCAC1:
-        if data_sz != (chunk_sz * blk_sz):
-          print("Raw chunk input size (%u) does not match output size (%u)"
-                % (data_sz, chunk_sz * blk_sz))
-          break;
-        else:
-          print("Raw data", end="")
-          FH.read(data_sz)
-      elif chunk_type == 0xCAC2:
-        if data_sz != 4:
-          print("Fill chunk should have 4 bytes of fill, but this has %u"
-                % (data_sz), end="")
-          break;
-        else:
-          fill_bin = FH.read(4)
-          fill = struct.unpack("<I", fill_bin)
-          print("Fill with 0x%08X" % (fill))
-      elif chunk_type == 0xCAC3:
-        if data_sz != 0:
-          print("Don't care chunk input size is non-zero (%u)" % (data_sz))
-          break;
-        else:
-          print("Don't care", end="")
-      elif chunk_type == 0xCAC4:
-        if data_sz != 4:
-          print("CRC32 chunk should have 4 bytes of CRC, but this has %u"
-                % (data_sz), end="")
-          break;
-        else:
-          crc_bin = FH.read(4)
-          crc = struct.unpack("<I", crc)
-          print("Unverified CRC32 0x%08X" % (crc))
-      else:
-          print("Unknown chunk type 0x%04X" % (chunk_type), end="")
-          break;
-
-      if verbose > 1:
-        header = struct.unpack("<12B", header_bin)
-        print(" (%02X%02X %02X%02X %02X%02X%02X%02X %02X%02X%02X%02X)"
-              % (header[0], header[1], header[2], header[3],
-                 header[4], header[5], header[6], header[7],
-                 header[8], header[9], header[10], header[11]))
-      else:
-        print()
-
-      offset += chunk_sz
-
-    print("     %10u            %7u         End" % (FH.tell(), offset))
-
-    if total_blks != offset:
-      print("The header said we should have %u output blocks, but we saw %u"
-            % (total_blks, offset))
-
-    junk_len = len(FH.read())
-    if junk_len:
-      print("There were %u bytes of extra data at the end of the file."
-            % (junk_len))
-
-  sys.exit(0)
-
-if __name__ == "__main__":
-  main()