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CFileHelpers::copyFile: Rewrite mode handling

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Origin commit data
------------------
Commit: 64b5d36c52
Author: Michael Liebmann <tuxcode.bbg@gmail.com>
Date: 2016-09-03 (Sat, 03 Sep 2016)
This commit is contained in:
Michael Liebmann
2016-09-03 11:45:02 +02:00
parent cba27701a9
commit c4d4a3abf6
2 changed files with 28 additions and 4 deletions
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30
src/system/helpers.cpp
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@@ -554,12 +554,36 @@ CFileHelpers* CFileHelpers::getInstance()
return FileHelpers;
}
bool CFileHelpers::copyFile(const char *Src, const char *Dst, mode_t mode)
bool CFileHelpers::copyFile(const char *Src, const char *Dst, mode_t forceMode/*=0*/)
{
doCopyFlag = true;
unlink(Dst);
/*
set mode for Dst
----------------
when forceMode==0 (default) then
when Dst exists
mode = mode from Dst
else
mode = mode from Src
else
mode = forceMode
*/
mode_t mode = forceMode & 0x0FFF;
if (mode == 0) {
static struct stat FileInfo;
const char *f = Dst;
if (!file_exists(Dst))
f = Src;
if (lstat(f, &FileInfo) == -1)
return false;
mode = FileInfo.st_mode & 0x0FFF;
}
if ((fd1 = open(Src, O_RDONLY)) < 0)
return false;
if (file_exists(Dst))
unlink(Dst);
if ((fd2 = open(Dst, O_WRONLY | O_CREAT, mode)) < 0) {
close(fd1);
return false;
@@ -692,7 +716,7 @@ bool CFileHelpers::copyDir(const char *Src, const char *Dst, bool backupMode)
std::string save = "";
if (backupMode && (CExtUpdate::getInstance()->isBlacklistEntry(srcPath)))
save = ".save";
copyFile(srcPath, (dstPath + save).c_str(), FileInfo.st_mode & 0x0FFF);
copyFile(srcPath, (dstPath + save).c_str()); /* mode is set by copyFile */
}
}
}

2
src/system/helpers.h
View File

@@ -87,7 +87,7 @@ class CFileHelpers
static CFileHelpers* getInstance();
bool doCopyFlag;
bool copyFile(const char *Src, const char *Dst, mode_t mode);
bool copyFile(const char *Src, const char *Dst, mode_t forceMode=0);
bool copyDir(const char *Src, const char *Dst, bool backupMode=false);
static bool createDir(std::string& Dir, mode_t mode = 755);
static bool createDir(const char *Dir, mode_t mode = 755){std::string dir = std::string(Dir);return createDir(dir, mode);}