mirror of
https://gitee.com/acl-dev/acl.git
synced 2024-12-14 08:50:53 +08:00
340 lines
6.6 KiB
C++
340 lines
6.6 KiB
C++
#include "lib_acl.h"
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#ifdef WIN32
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#include <io.h>
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#include <direct.h>
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#define access _access
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#define chdir _chdir
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#define getcwd _getcwd
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#endif // WIN32
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#include "acl_cpp/lib_acl.hpp"
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#ifdef WIN32
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#define SEP '\\'
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#else
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#define SEP '/'
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#endif
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// 去年路径前的 "./" 或 ".\"，因为在 WIN32 下
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#define SKIP(ptr) do \
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{ \
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if (*ptr == '.' && *(ptr + 1) == '/') \
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ptr += 2; \
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else if (*ptr == '.' && *(ptr + 1) == '\\') \
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ptr += 2; \
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} while (0)
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static bool copy_file(acl::ifstream& in, const acl::string& to_path,
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const acl::string& to_filepath, int* ncopied)
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{
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if (in.fseek(0, SEEK_SET) < 0)
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{
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logger_error("fseek from file: %s error: %s",
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in.file_path(), acl::last_serror());
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return false;
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}
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if (access(to_path.c_str(), 0) != 0)
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{
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if (acl_make_dirs(to_path.c_str(), 0755) == -1)
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{
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logger_error("create dirs: %s error: %s",
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to_path.c_str(), acl::last_serror());
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return false;
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}
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}
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acl_int64 length = in.fsize();
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if (length < 0)
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{
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logger_error("get file(%s)'s size error: %s", in.file_path(),
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acl::last_serror());
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return false;
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}
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acl::ofstream out;
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if (out.open_trunc(to_filepath.c_str()) == false)
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{
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logger_error("ope_trunc file: %s error: %s",
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to_filepath.c_str(), acl::last_serror());
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return false;
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}
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char buf[4096];
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int ret;
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acl_int64 nread = 0;
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while (true)
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{
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ret = in.read(buf, sizeof(buf), false);
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if (ret == -1)
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{
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if (nread == length)
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break;
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logger_error("read from file: %s error: %s, "
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"nread: %lld, length: %lld",
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in.file_path(), acl::last_serror(),
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nread, length);
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return false;
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}
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nread += ret;
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if (out.write(buf, ret) == -1)
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{
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logger_error("write to file: %s error: %s",
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to_filepath.c_str(), acl::last_serror());
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return false;
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}
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}
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(*ncopied)++;
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return true;
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}
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static bool cmp_copy(acl::scan_dir& scan, const char* name,
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const acl::string& to_path, int* ncopied)
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{
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const char* rpath = scan.curr_path();
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if (rpath == NULL)
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{
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logger_error("get current path error: %s, file: %s",
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acl::last_serror(), name);
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return false;
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}
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SKIP(rpath);
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SKIP(name);
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// printf(">>rpath: %s\r\n", rpath);
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// printf(">>name: %s\r\n", name);
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acl::string from_filepath;
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if (*rpath == 0)
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from_filepath << name;
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else
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from_filepath << rpath << SEP << name;
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acl::ifstream from_fp;
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if (from_fp.open_read(from_filepath.c_str()) == false)
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{
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logger_error("open source file: %s error: %s",
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from_filepath.c_str(), acl::last_serror());
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return false;
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}
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acl::string to_pathbuf;
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acl::string to_filepath;
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to_pathbuf << to_path << SEP << rpath;
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to_filepath << to_path << SEP << rpath << SEP << name;
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//printf("from_filepath: %s, to_filepath: %s\r\n",
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// from_fp.file_path(), to_filepath.c_str());
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acl::ifstream to_fp;
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if (to_fp.open_read(to_filepath.c_str()) == false)
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return copy_file(from_fp, to_pathbuf, to_filepath, ncopied);
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acl_int64 length;
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if ((length = to_fp.fsize()) != from_fp.fsize())
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{
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to_fp.close();
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return copy_file(from_fp, to_pathbuf, to_filepath, ncopied);
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}
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char from_buf[4096], to_buf[4096];
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int from_len, to_len;
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acl_int64 read_len = 0;
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while (true)
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{
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from_len = from_fp.read(from_buf, sizeof(from_buf), false);
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if (from_len == -1)
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{
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if (read_len == length)
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return true;
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#ifdef WIN32
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logger_error("read from file(%s) error(%s),"
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"file size: %I64d read len: %I64d",
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from_fp.file_path(), acl::last_serror(),
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length, read_len);
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#else
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logger_error("read from file(%s) error(%s),"
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"file size: %lld, read len: %lld",
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from_fp.file_path(), acl::last_serror(),
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length, read_len);
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#endif
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return false;
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}
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read_len += from_len;
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to_len = to_fp.read(to_buf, from_len, true);
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if (to_len == -1)
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{
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to_fp.close();
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return copy_file(from_fp, to_pathbuf,
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to_filepath, ncopied);
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}
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if (memcmp(from_buf, to_buf, to_len) != 0)
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{
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to_fp.close();
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return copy_file(from_fp, to_pathbuf,
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from_filepath, ncopied);
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}
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}
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}
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static bool check_dir(acl::scan_dir& scan, const char* to, int* ncopied)
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{
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const char* rpath = scan.curr_path();
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if (rpath == false)
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{
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logger_error("get from's path error: %s, to: %s",
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acl::last_serror(), to);
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return false;
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}
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SKIP(rpath);
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acl::string to_path;
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to_path << to << SEP << rpath;
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// printf(">>to_path: %s, to: %s\r\n", to_path.c_str(), to);
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if (access(to_path.c_str(), 0) == 0)
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return true;
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else
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{
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int ret = acl_make_dirs(to_path.c_str(), 0755);
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if (ret == 0)
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{
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(*ncopied)++;
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return true;
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}
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else
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{
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logger_error("make dirs(%s) error: %s",
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to_path.c_str(), acl::last_serror());
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return false;
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}
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}
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}
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static void do_copy(const acl::string& from, const acl::string& to)
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{
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acl::scan_dir scan;
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if (scan.open(from.c_str()) == false)
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{
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logger_error("open path: %s error: %s",
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from.c_str(), acl::last_serror());
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return;
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}
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const char* name;
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bool is_file;
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int nfiles = 0, ndirs = 0, nfiles_copied = 0, ndirs_copied = 0;
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while ((name = scan.next(false, &is_file)) != NULL)
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{
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SKIP(name);
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if (is_file)
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{
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if (cmp_copy(scan, name, to, &nfiles_copied) == false)
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{
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printf(">>cm_copy failed, name: %s\r\n", name);
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break;
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}
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nfiles++;
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}
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else if (check_dir(scan, to, &ndirs_copied) == false)
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{
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printf(">>check_dir failed, name: %s\r\n", name);
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break;
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}
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else
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ndirs++;
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if ((nfiles + ndirs) % 100 == 0)
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{
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printf("current file count: copied %d / scaned %d, "
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"dir count: copied %d / scaned %d\r",
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nfiles_copied, nfiles, ndirs_copied, ndirs);
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fflush(stdout);
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}
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}
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printf("total file count: copyied %d / scaned %d, dir count: "
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"copied %d / scaned %d\r\n", nfiles_copied, nfiles,
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ndirs_copied, ndirs);
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}
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static void usage(const char* procname)
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{
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logger_error("usage: %s -h [help] -f from_path -t to_path", procname);
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}
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int main(int argc, char* argv[])
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{
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int ch;
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acl::string path_from, path_to;
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acl::log::stdout_open(true);
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while ((ch = getopt(argc, argv, "hf:t:")) > 0)
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{
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switch (ch)
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{
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case 'h':
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usage(argv[0]);
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return 0;
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case 'f':
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path_from = optarg;
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break;
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case 't':
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path_to = optarg;
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break;
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default:
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break;
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}
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}
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if (path_from.empty() || path_to.empty())
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{
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usage(argv[0]);
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return 1;
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}
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if (path_from == path_to)
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{
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logger_error("path_from(%s) == path_to(%s)", path_from.c_str(),
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path_to.c_str());
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usage(argv[0]);
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return 1;
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}
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if (chdir(path_from.c_str()) == -1)
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{
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logger_error("chdir to %s error: %s",
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path_from.c_str(), acl::last_serror());
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return 1;
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}
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char path[256];
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if (getcwd(path, sizeof(path)) == NULL)
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{
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logger_error("getcwd error: %s", path);
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return 1;
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}
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logger_error("current path: %s", path);
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do_copy(".", path_to);
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logger("enter any key to exit");
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getchar();
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return (0);
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}
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