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io/qfilesystemiterator_unix.cpp

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40 ****************************************************************************/ -

41 -

42 #include "qplatformdefs.h" -

43 #include "qfilesystemiterator_p.h" -

44 -

45 #ifndef QT_NO_FILESYSTEMITERATOR -

46 -

47 #include <stdlib.h> -

48 #include <errno.h> -

49 -

50 QT_BEGIN_NAMESPACE -

51 -

52 QFileSystemIterator::QFileSystemIterator(const QFileSystemEntry &entry, QDir::Filters filters, -

53 const QStringList &nameFilters, QDirIterator::IteratorFlags flags) -

54 : nativePath(entry.nativeFilePath()) -

55 , dir(0) -

56 , dirEntry(0) -

57 #if defined(Q_OS_QNX) && defined(__EXT_QNX__READDIR_R) -

58 , direntSize(0) -

59 #endif -

60 , lastError(0) -

61 { -

Q_UNUSED(filters)

executed (the execution status of this line is deduced): (void)filters;

Q_UNUSED(nameFilters)

executed (the execution status of this line is deduced): (void)nameFilters;

Q_UNUSED(flags)

executed (the execution status of this line is deduced): (void)flags;

65 -

if ((dir = QT_OPENDIR(nativePath.constData())) == 0) {

evaluated: (dir = ::opendir(nativePath.constData())) == 0

TRUE	FALSE
yes Evaluation Count:24	yes Evaluation Count:5816

24-5816

lastError = errno;

executed (the execution status of this line is deduced): lastError = (*__errno_location ());

} else {

executed: }

Execution Count:24

69 -

if (!nativePath.endsWith('/'))

evaluated: !nativePath.endsWith('/')

TRUE	FALSE
yes Evaluation Count:5649	yes Evaluation Count:167

167-5649

nativePath.append('/');

executed: nativePath.append('/');

Execution Count:5649

5649

72 -

73 #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) -

74 // ### Race condition; we should use fpathconf and dirfd(). -

size_t maxPathName = ::pathconf(nativePath.constData(), _PC_NAME_MAX);

executed (the execution status of this line is deduced): size_t maxPathName = ::pathconf(nativePath.constData(), _PC_NAME_MAX);

if (maxPathName == size_t(-1))

partially evaluated: maxPathName == size_t(-1)

TRUE	FALSE
no Evaluation Count:0	yes Evaluation Count:5816

0-5816

maxPathName = FILENAME_MAX;

never executed: maxPathName = 4096;

maxPathName += sizeof(QT_DIRENT) + 1;

executed (the execution status of this line is deduced): maxPathName += sizeof(struct dirent64) + 1;

79 -

QT_DIRENT *p = reinterpret_cast<QT_DIRENT*>(::malloc(maxPathName));

executed (the execution status of this line is deduced): struct dirent64 *p = reinterpret_cast<struct dirent64*>(::malloc(maxPathName));

Q_CHECK_PTR(p);

never executed: qBadAlloc();

executed: }

Execution Count:5816

partially evaluated: !(p)

TRUE	FALSE
no Evaluation Count:0	yes Evaluation Count:5816

partially evaluated: 0

TRUE	FALSE
no Evaluation Count:0	yes Evaluation Count:5816

0-5816

82 -

mt_file.reset(p);

executed (the execution status of this line is deduced): mt_file.reset(p);

84 #if defined(Q_OS_QNX) && defined(__EXT_QNX__READDIR_R) -

85 direntSize = maxPathName; -

86 -

87 // Include extra stat information in the readdir() call (d_stat member of dirent_extra_stat). -

88 // This is used in QFileSystemMetaData::fillFromDirEnt() to avoid extra stat() calls when iterating -

89 // over directories -

90 if (dircntl(dir, D_SETFLAG, D_FLAG_STAT) == -1) -

91 lastError = errno; -

92 #endif -

93 #endif -

}

executed: }

Execution Count:5816

5816

95 } -

96 -

97 QFileSystemIterator::~QFileSystemIterator() -

98 { -

if (dir)

evaluated: dir

TRUE	FALSE
yes Evaluation Count:5816	yes Evaluation Count:24

24-5816

100

QT_CLOSEDIR(dir);

executed: ::closedir(dir);

Execution Count:5816

5816

101

}

executed: }

Execution Count:5840

5840

102 -

103 bool QFileSystemIterator::advance(QFileSystemEntry &fileEntry, QFileSystemMetaData &metaData) -

104 { -

105

if (!dir)

evaluated: !dir

TRUE	FALSE
yes Evaluation Count:24	yes Evaluation Count:92600

24-92600

106

return false;

executed: return false;

Execution Count:24

107 -

108 #if defined(Q_OS_QNX) && defined(__EXT_QNX__READDIR_R) -

109 lastError = _readdir_r(dir, mt_file.data(), &dirEntry, direntSize); -

110 if (lastError) -

111 return false; -

112 #elif defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) -

113

lastError = QT_READDIR_R(dir, mt_file.data(), &dirEntry);

executed (the execution status of this line is deduced): lastError = ::readdir64_r(dir, mt_file.data(), &dirEntry);

114

if (lastError)

partially evaluated: lastError

TRUE	FALSE
no Evaluation Count:0	yes Evaluation Count:92606

0-92606

115

return false;

never executed: return false;

116 #else -

117 // ### add local lock to prevent breaking reentrancy -

118 dirEntry = QT_READDIR(dir); -

119 #endif // _POSIX_THREAD_SAFE_FUNCTIONS -

120 -

121

if (dirEntry) {

evaluated: dirEntry

TRUE	FALSE
yes Evaluation Count:86844	yes Evaluation Count:5763

5763-86844

122

fileEntry = QFileSystemEntry(nativePath + QByteArray(dirEntry->d_name), QFileSystemEntry::FromNativePath());

executed (the execution status of this line is deduced): fileEntry = QFileSystemEntry(nativePath + QByteArray(dirEntry->d_name), QFileSystemEntry::FromNativePath());

123

metaData.fillFromDirEnt(*dirEntry);

executed (the execution status of this line is deduced): metaData.fillFromDirEnt(*dirEntry);

124

return true;

executed: return true;

Execution Count:86823

86823

125 } -

126 -

127

lastError = errno;

executed (the execution status of this line is deduced): lastError = (*__errno_location ());

128

return false;

executed: return false;

Execution Count:5763

5763

129 } -

130 -

131 QT_END_NAMESPACE -

132 -

133 #endif // QT_NO_FILESYSTEMITERATOR -

134 -

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