mirror of https://github.com/aria2/aria2
49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
#include "TestUtil.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <cerrno>
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#include <cstring>
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#include <sstream>
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#include <fstream>
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#include "a2io.h"
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#include "File.h"
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#include "StringFormat.h"
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#include "FatalException.h"
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namespace aria2 {
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void createFile(const std::string& path, size_t length)
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{
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File(File(path).getDirname()).mkdirs();
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int fd = creat(path.c_str(), OPEN_MODE);
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if(fd == -1) {
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throw FATAL_EXCEPTION(StringFormat("Could not create file=%s. cause:%s",
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path.c_str(), strerror(errno)).str());
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}
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if(-1 == ftruncate(fd, length)) {
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throw FATAL_EXCEPTION(StringFormat("ftruncate failed. cause:%s",
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strerror(errno)).str());
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}
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close(fd);
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}
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std::string readFile(const std::string& path)
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{
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std::stringstream ss;
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std::ifstream in(path.c_str(), std::ios::binary);
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char buf[4096];
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while(1) {
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in.read(buf, sizeof(buf));
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ss.write(buf, in.gcount());
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if(in.gcount() != sizeof(buf)) {
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break;
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}
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}
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return ss.str();
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}
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};
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