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This commit is contained in:
Eelco Dolstra 2013-01-03 13:00:46 +01:00
parent def5160b61
commit 3007f57377
2 changed files with 46 additions and 46 deletions
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88
src/libutil/util.cc
View file

@ -99,7 +99,7 @@ Path canonPath(const Path & path, bool resolveSymlinks)
i++;
/* If `..', delete the last component. */
else if (*i == '.' && i + 1 < end && i[1] == '.' &&
else if (*i == '.' && i + 1 < end && i[1] == '.' &&
(i + 2 == end || i[2] == '/'))
{
if (!s.empty()) s.erase(s.rfind('/'));
@ -214,7 +214,7 @@ string readFile(int fd)
struct stat st;
if (fstat(fd, &st) == -1)
throw SysError("statting file");
unsigned char * buf = new unsigned char[st.st_size];
AutoDeleteArray<unsigned char> d(buf);
readFull(fd, buf, st.st_size);
@ -279,9 +279,9 @@ static void _computePathSize(const Path & path,
blocks += st.st_blocks;
if (S_ISDIR(st.st_mode)) {
Strings names = readDirectory(path);
Strings names = readDirectory(path);
for (Strings::iterator i = names.begin(); i != names.end(); ++i)
for (Strings::iterator i = names.begin(); i != names.end(); ++i)
_computePathSize(path + "/" + *i, bytes, blocks);
}
}
@ -308,15 +308,15 @@ static void _deletePath(const Path & path, unsigned long long & bytesFreed)
bytesFreed += st.st_blocks * 512;
if (S_ISDIR(st.st_mode)) {
Strings names = readDirectory(path);
Strings names = readDirectory(path);
/* Make the directory writable. */
if (!(st.st_mode & S_IWUSR)) {
if (chmod(path.c_str(), st.st_mode | S_IWUSR) == -1)
throw SysError(format("making `%1%' writable") % path);
}
/* Make the directory writable. */
if (!(st.st_mode & S_IWUSR)) {
if (chmod(path.c_str(), st.st_mode | S_IWUSR) == -1)
throw SysError(format("making `%1%' writable") % path);
}
for (Strings::iterator i = names.begin(); i != names.end(); ++i)
for (Strings::iterator i = names.begin(); i != names.end(); ++i)
_deletePath(path + "/" + *i, bytesFreed);
}
@ -348,14 +348,14 @@ void makePathReadOnly(const Path & path)
struct stat st = lstat(path);
if (!S_ISLNK(st.st_mode) && (st.st_mode & S_IWUSR)) {
if (chmod(path.c_str(), st.st_mode & ~S_IWUSR) == -1)
throw SysError(format("making `%1%' read-only") % path);
if (chmod(path.c_str(), st.st_mode & ~S_IWUSR) == -1)
throw SysError(format("making `%1%' read-only") % path);
}
if (S_ISDIR(st.st_mode)) {
Strings names = readDirectory(path);
for (Strings::iterator i = names.begin(); i != names.end(); ++i)
makePathReadOnly(path + "/" + *i);
for (Strings::iterator i = names.begin(); i != names.end(); ++i)
makePathReadOnly(path + "/" + *i);
}
}
@ -377,25 +377,25 @@ Path createTempDir(const Path & tmpRoot, const Path & prefix,
static int globalCounter = 0;
int localCounter = 0;
int & counter(useGlobalCounter ? globalCounter : localCounter);
while (1) {
checkInterrupt();
Path tmpDir = tempName(tmpRoot, prefix, includePid, counter);
if (mkdir(tmpDir.c_str(), mode) == 0) {
/* Explicitly set the group of the directory. This is to
work around around problems caused by BSD's group
ownership semantics (directories inherit the group of
the parent). For instance, the group of /tmp on
FreeBSD is "wheel", so all directories created in /tmp
will be owned by "wheel"; but if the user is not in
"wheel", then "tar" will fail to unpack archives that
have the setgid bit set on directories. */
if (chown(tmpDir.c_str(), (uid_t) -1, getegid()) != 0)
throw SysError(format("setting group of directory `%1%'") % tmpDir);
return tmpDir;
}
if (errno != EEXIST)
throw SysError(format("creating directory `%1%'") % tmpDir);
Path tmpDir = tempName(tmpRoot, prefix, includePid, counter);
if (mkdir(tmpDir.c_str(), mode) == 0) {
/* Explicitly set the group of the directory. This is to
work around around problems caused by BSD's group
ownership semantics (directories inherit the group of
the parent). For instance, the group of /tmp on
FreeBSD is "wheel", so all directories created in /tmp
will be owned by "wheel"; but if the user is not in
"wheel", then "tar" will fail to unpack archives that
have the setgid bit set on directories. */
if (chown(tmpDir.c_str(), (uid_t) -1, getegid()) != 0)
throw SysError(format("setting group of directory `%1%'") % tmpDir);
return tmpDir;
}
if (errno != EEXIST)
throw SysError(format("creating directory `%1%'") % tmpDir);
}
}
@ -415,7 +415,7 @@ Paths createDirs(const Path & path)
}
if (!S_ISDIR(st.st_mode)) throw Error(format("`%1%' is not a directory") % path);
return created;
}
@ -724,8 +724,8 @@ AutoCloseDir::operator DIR *()
void AutoCloseDir::close()
{
if (dir) {
closedir(dir);
dir = 0;
closedir(dir);
dir = 0;
}
}
@ -840,12 +840,12 @@ void killUser(uid_t uid)
if (setuid(uid) == -1)
throw SysError("setting uid");
while (true) {
if (kill(-1, SIGKILL) == 0) break;
if (errno == ESRCH) break; /* no more processes */
if (errno != EINTR)
throw SysError(format("cannot kill processes for uid `%1%'") % uid);
}
while (true) {
if (kill(-1, SIGKILL) == 0) break;
if (errno == ESRCH) break; /* no more processes */
if (errno != EINTR)
throw SysError(format("cannot kill processes for uid `%1%'") % uid);
}
} catch (std::exception & e) {
writeToStderr((format("killing processes belonging to uid `%1%': %2%\n") % uid % e.what()).str());
@ -853,7 +853,7 @@ void killUser(uid_t uid)
}
_exit(0);
}
/* parent */
int status = pid.wait(true);
if (status != 0)
@ -1040,14 +1040,14 @@ string statusToString(int status)
if (WIFEXITED(status))
return (format("failed with exit code %1%") % WEXITSTATUS(status)).str();
else if (WIFSIGNALED(status)) {
int sig = WTERMSIG(status);
int sig = WTERMSIG(status);
#if HAVE_STRSIGNAL
const char * description = strsignal(sig);
return (format("failed due to signal %1% (%2%)") % sig % description).str();
#else
return (format("failed due to signal %1%") % sig).str();
#endif
}
}
else
return "died abnormally";
} else return "succeeded";

4
src/libutil/util.hh
View file

@ -174,7 +174,7 @@ struct AutoDeleteArray
{
T * p;
AutoDeleteArray(T * p) : p(p) { }
~AutoDeleteArray()
~AutoDeleteArray()
{
delete [] p;
}
@ -185,7 +185,7 @@ class AutoDelete
{
Path path;
bool del;
bool recursive;
bool recursive;
public:
AutoDelete(const Path & p, bool recursive = true);
~AutoDelete();