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-rw-r--r--indra/llcommon/llfile.cpp352
-rw-r--r--indra/llcommon/llfile.h90
-rw-r--r--indra/llcommon/llsys.cpp8
-rw-r--r--indra/llcrashlogger/llcrashlogger.cpp4
-rw-r--r--indra/llfilesystem/llfilesystem.cpp3
-rw-r--r--indra/llui/llviewereventrecorder.cpp2
-rw-r--r--indra/newview/llvoicevivox.cpp1
7 files changed, 302 insertions, 158 deletions
diff --git a/indra/llcommon/llfile.cpp b/indra/llcommon/llfile.cpp
index 53659ac13f..a24524d699 100644
--- a/indra/llcommon/llfile.cpp
+++ b/indra/llcommon/llfile.cpp
@@ -35,7 +35,6 @@
#if LL_WINDOWS
#include "llwin32headers.h"
-#include <stdlib.h> // Windows errno
#include <vector>
#else
#include <errno.h>
@@ -49,6 +48,86 @@ static std::string empty;
// variants of strerror() to report errors.
#if LL_WINDOWS
+namespace
+{
+ struct errentry
+ {
+ unsigned long oserr; // OS return value
+ int errcode; // System V error code
+ };
+}
+
+static errentry const errtable[]
+{
+ { ERROR_INVALID_FUNCTION, EINVAL }, // 1
+ { ERROR_FILE_NOT_FOUND, ENOENT }, // 2
+ { ERROR_PATH_NOT_FOUND, ENOENT }, // 3
+ { ERROR_TOO_MANY_OPEN_FILES, EMFILE }, // 4
+ { ERROR_ACCESS_DENIED, EACCES }, // 5
+ { ERROR_INVALID_HANDLE, EBADF }, // 6
+ { ERROR_ARENA_TRASHED, ENOMEM }, // 7
+ { ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, // 8
+ { ERROR_INVALID_BLOCK, ENOMEM }, // 9
+ { ERROR_BAD_ENVIRONMENT, E2BIG }, // 10
+ { ERROR_BAD_FORMAT, ENOEXEC }, // 11
+ { ERROR_INVALID_ACCESS, EINVAL }, // 12
+ { ERROR_INVALID_DATA, EINVAL }, // 13
+ { ERROR_INVALID_DRIVE, ENOENT }, // 15
+ { ERROR_CURRENT_DIRECTORY, EACCES }, // 16
+ { ERROR_NOT_SAME_DEVICE, EXDEV }, // 17
+ { ERROR_NO_MORE_FILES, ENOENT }, // 18
+ { ERROR_LOCK_VIOLATION, EACCES }, // 33
+ { ERROR_BAD_NETPATH, ENOENT }, // 53
+ { ERROR_NETWORK_ACCESS_DENIED, EACCES }, // 65
+ { ERROR_BAD_NET_NAME, ENOENT }, // 67
+ { ERROR_FILE_EXISTS, EEXIST }, // 80
+ { ERROR_CANNOT_MAKE, EACCES }, // 82
+ { ERROR_FAIL_I24, EACCES }, // 83
+ { ERROR_INVALID_PARAMETER, EINVAL }, // 87
+ { ERROR_NO_PROC_SLOTS, EAGAIN }, // 89
+ { ERROR_DRIVE_LOCKED, EACCES }, // 108
+ { ERROR_BROKEN_PIPE, EPIPE }, // 109
+ { ERROR_DISK_FULL, ENOSPC }, // 112
+ { ERROR_INVALID_TARGET_HANDLE, EBADF }, // 114
+ { ERROR_WAIT_NO_CHILDREN, ECHILD }, // 128
+ { ERROR_CHILD_NOT_COMPLETE, ECHILD }, // 129
+ { ERROR_DIRECT_ACCESS_HANDLE, EBADF }, // 130
+ { ERROR_NEGATIVE_SEEK, EINVAL }, // 131
+ { ERROR_SEEK_ON_DEVICE, EACCES }, // 132
+ { ERROR_DIR_NOT_EMPTY, ENOTEMPTY }, // 145
+ { ERROR_NOT_LOCKED, EACCES }, // 158
+ { ERROR_BAD_PATHNAME, ENOENT }, // 161
+ { ERROR_MAX_THRDS_REACHED, EAGAIN }, // 164
+ { ERROR_LOCK_FAILED, EACCES }, // 167
+ { ERROR_ALREADY_EXISTS, EEXIST }, // 183
+ { ERROR_FILENAME_EXCED_RANGE, ENOENT }, // 206
+ { ERROR_NESTING_NOT_ALLOWED, EAGAIN }, // 215
+ { ERROR_NO_UNICODE_TRANSLATION, EILSEQ }, // 1113
+ { ERROR_NOT_ENOUGH_QUOTA, ENOMEM } // 1816
+};
+
+// Number of elements in the error translation table
+#define ERRTABLECOUNT (sizeof(errtable) / sizeof(errtable[0]))
+
+static int set_errno_from_oserror(unsigned long oserr)
+{
+ if (!oserr)
+ return 0;
+
+ // Check the table for the OS error code
+ for (unsigned i{0}; i < ERRTABLECOUNT; ++i)
+ {
+ if (oserr == errtable[i].oserr)
+ {
+ _set_errno(errtable[i].errcode);
+ return -1;
+ }
+ }
+
+ _set_errno(EINVAL);
+ return -1;
+}
+
// On Windows, use strerror_s().
std::string strerr(int errn)
{
@@ -57,7 +136,61 @@ std::string strerr(int errn)
return buffer;
}
-typedef std::basic_ios<char,std::char_traits < char > > _Myios;
+inline bool is_slash(wchar_t const c)
+{
+ return c == L'\\' || c == L'/';
+}
+
+static std::wstring utf8path_to_wstring(const std::string& utf8path)
+{
+ if (utf8path.size() >= MAX_PATH)
+ {
+ // By prepending "\\?\" to a path, Windows widechar file APIs will not fail on long path names
+ std::wstring utf16path = L"\\\\?\\" + ll_convert<std::wstring>(utf8path);
+ // We need to make sure that the path does not contain forward slashes as above
+ // prefix does bypass the path normalization that replaces slashes with backslashes
+ // before passing the path to kernel mode APIs
+ std::replace(utf16path.begin(), utf16path.end(), L'/', L'\\');
+ return utf16path;
+ }
+ return ll_convert<std::wstring>(utf8path);
+}
+
+static unsigned short get_fileattr(const std::wstring& utf16path)
+{
+ unsigned short st_mode = 0;
+ HANDLE file_handle = CreateFileW(utf16path.c_str(), FILE_READ_ATTRIBUTES,
+ FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr,
+ OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
+ if (file_handle == INVALID_HANDLE_VALUE)
+ {
+ set_errno_from_oserror(GetLastError());
+ return 0;
+ }
+
+ FILE_ATTRIBUTE_TAG_INFO attribute_info;
+ if (GetFileInformationByHandleEx(file_handle, FileAttributeTagInfo, &attribute_info, sizeof(attribute_info)))
+ {
+ // A volume path alone (only drive letter) is not recognized as directory while it technically is
+ bool is_directory = (attribute_info.FileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
+ (iswalpha(utf16path[0]) && utf16path[1] == ':' &&
+ (!utf16path[2] || (is_slash(utf16path[2]) && !utf16path[3])));
+ st_mode |= is_directory ? S_IFDIR : S_IFREG;
+ st_mode |= (attribute_info.FileAttributes & FILE_ATTRIBUTE_READONLY) ? S_IREAD : S_IREAD | S_IWRITE;
+ // we do not try to guess executable flag
+
+ // propagate user bits to group/other fields:
+ st_mode |= (st_mode & 0700) >> 3;
+ st_mode |= (st_mode & 0700) >> 6;
+ }
+ else
+ {
+ // Retrieve last error before calling CloseHandle()
+ set_errno_from_oserror(GetLastError());
+ }
+ CloseHandle(file_handle);
+ return st_mode;
+}
#else
// On Posix we want to call strerror_r(), but alarmingly, there are two
@@ -108,18 +241,13 @@ std::string strerr(int errn)
}
#endif // ! LL_WINDOWS
-// On either system, shorthand call just infers global 'errno'.
-std::string strerr()
-{
- return strerr(errno);
-}
-
-int warnif(const std::string& desc, const std::string& filename, int rc, int accept=0)
+int warnif(const std::string& desc, const std::string& filename, int rc, int accept = 0)
{
if (rc < 0)
{
// Capture errno before we start emitting output
int errn = errno;
+
// For certain operations, a particular errno value might be
// acceptable -- e.g. stat() could permit ENOENT, mkdir() could permit
// EEXIST. Don't warn if caller explicitly says this errno is okay.
@@ -176,62 +304,58 @@ int warnif(const std::string& desc, const std::string& filename, int rc, int acc
// static
int LLFile::mkdir(const std::string& dirname, int perms)
{
+ // We often use mkdir() to ensure the existence of a directory that might
+ // already exist. There is no known case in which we want to call out as
+ // an error the requested directory already existing.
#if LL_WINDOWS
// permissions are ignored on Windows
- std::wstring utf16dirname = ll_convert<std::wstring>(dirname);
- int rc = _wmkdir(utf16dirname.c_str());
+ int rc = 0;
+ std::wstring utf16dirname = utf8path_to_wstring(dirname);
+ if (!CreateDirectoryW(utf16dirname.c_str(), nullptr))
+ {
+ // Only treat other errors than an already existing file as a real error
+ unsigned long oserr = GetLastError();
+ if (oserr != ERROR_ALREADY_EXISTS)
+ {
+ rc = set_errno_from_oserror(oserr);
+ }
+ }
#else
int rc = ::mkdir(dirname.c_str(), (mode_t)perms);
-#endif
- // We often use mkdir() to ensure the existence of a directory that might
- // already exist. There is no known case in which we want to call out as
- // an error the requested directory already existing.
if (rc < 0 && errno == EEXIST)
{
// this is not the error you want, move along
return 0;
}
+#endif
// anything else might be a problem
- return warnif("mkdir", dirname, rc, EEXIST);
+ return warnif("mkdir", dirname, rc);
}
// static
-int LLFile::rmdir(const std::string& dirname)
+int LLFile::rmdir(const std::string& dirname, int supress_error)
{
#if LL_WINDOWS
- // permissions are ignored on Windows
- std::wstring utf16dirname = ll_convert<std::wstring>(dirname);
+ std::wstring utf16dirname = utf8path_to_wstring(dirname);
int rc = _wrmdir(utf16dirname.c_str());
#else
int rc = ::rmdir(dirname.c_str());
#endif
- return warnif("rmdir", dirname, rc);
+ return warnif("rmdir", dirname, rc, supress_error);
}
// static
LLFILE* LLFile::fopen(const std::string& filename, const char* mode) /* Flawfinder: ignore */
{
#if LL_WINDOWS
- std::wstring utf16filename = ll_convert<std::wstring>(filename);
+ std::wstring utf16filename = utf8path_to_wstring(filename);
std::wstring utf16mode = ll_convert<std::wstring>(std::string(mode));
- return _wfopen(utf16filename.c_str(),utf16mode.c_str());
+ return _wfopen(utf16filename.c_str(), utf16mode.c_str());
#else
return ::fopen(filename.c_str(),mode); /* Flawfinder: ignore */
#endif
}
-LLFILE* LLFile::_fsopen(const std::string& filename, const char* mode, int sharingFlag)
-{
-#if LL_WINDOWS
- std::wstring utf16filename = ll_convert<std::wstring>(filename);
- std::wstring utf16mode = ll_convert<std::wstring>(std::string(mode));
- return _wfsopen(utf16filename.c_str(),utf16mode.c_str(),sharingFlag);
-#else
- llassert(0);//No corresponding function on non-windows
- return NULL;
-#endif
-}
-
int LLFile::close(LLFILE * file)
{
int ret_value = 0;
@@ -264,8 +388,27 @@ std::string LLFile::getContents(const std::string& filename)
int LLFile::remove(const std::string& filename, int supress_error)
{
#if LL_WINDOWS
- std::wstring utf16filename = ll_convert<std::wstring>(filename);
- int rc = _wremove(utf16filename.c_str());
+ // Posix remove() works on both files and directories although on Windows
+ // remove() and its wide char variant _wremove() only removes files just
+ // as its siblings unlink() and _wunlink().
+ // If we really only want to support files we should instead use
+ // unlink() in the non-Windows part below too
+ int rc = 0;
+ ;
+ std::wstring utf16filename = utf8path_to_wstring(filename);
+ unsigned short st_mode = get_fileattr(utf16filename);
+ if (S_ISDIR(st_mode))
+ {
+ rc = _wrmdir(utf16filename.c_str());
+ }
+ else if (S_ISREG(st_mode))
+ {
+ rc = _wunlink(utf16filename.c_str());
+ }
+ else
+ {
+ rc = set_errno_from_oserror(ERROR_INVALID_PARAMETER);
+ }
#else
int rc = ::remove(filename.c_str());
#endif
@@ -275,28 +418,38 @@ int LLFile::remove(const std::string& filename, int supress_error)
int LLFile::rename(const std::string& filename, const std::string& newname, int supress_error)
{
#if LL_WINDOWS
- std::wstring utf16filename = ll_convert<std::wstring>(filename);
- std::wstring utf16newname = ll_convert<std::wstring>(newname);
- int rc = _wrename(utf16filename.c_str(),utf16newname.c_str());
+ // Posix rename() will gladly overwrite a file at newname if it exists, the Windows
+ // rename(), respectively _wrename(), will bark on that. Instead call directly the Windows
+ // API MoveFileEx() and use its flags to specify that overwrite is allowed.
+ std::wstring utf16filename = utf8path_to_wstring(filename);
+ std::wstring utf16newname = utf8path_to_wstring(newname);
+ int rc = 0;
+ if (!MoveFileExW(utf16filename.c_str(), utf16newname.c_str(), MOVEFILE_REPLACE_EXISTING | MOVEFILE_COPY_ALLOWED))
+ {
+ rc = set_errno_from_oserror(GetLastError());
+ }
#else
int rc = ::rename(filename.c_str(),newname.c_str());
#endif
return warnif(STRINGIZE("rename to '" << newname << "' from"), filename, rc, supress_error);
}
+// Make this a define rather than using magic numbers multiple times in the code
+#define LLFILE_COPY_BUFFER_SIZE 16384
+
bool LLFile::copy(const std::string& from, const std::string& to)
{
bool copied = false;
- LLFILE* in = LLFile::fopen(from, "rb"); /* Flawfinder: ignore */
+ LLFILE* in = fopen(from, "rb"); /* Flawfinder: ignore */
if (in)
{
- LLFILE* out = LLFile::fopen(to, "wb"); /* Flawfinder: ignore */
+ LLFILE* out = fopen(to, "wb"); /* Flawfinder: ignore */
if (out)
{
- char buf[16384]; /* Flawfinder: ignore */
+ char buf[LLFILE_COPY_BUFFER_SIZE]; /* Flawfinder: ignore */
size_t readbytes;
bool write_ok = true;
- while(write_ok && (readbytes = fread(buf, 1, 16384, in))) /* Flawfinder: ignore */
+ while (write_ok && (readbytes = fread(buf, 1, LLFILE_COPY_BUFFER_SIZE, in))) /* Flawfinder: ignore */
{
if (fwrite(buf, 1, readbytes, out) != readbytes)
{
@@ -315,31 +468,51 @@ bool LLFile::copy(const std::string& from, const std::string& to)
return copied;
}
-int LLFile::stat(const std::string& filename, llstat* filestatus)
+int LLFile::stat(const std::string& filename, llstat* filestatus, int supress_error)
{
#if LL_WINDOWS
- std::wstring utf16filename = ll_convert<std::wstring>(filename);
- int rc = _wstat(utf16filename.c_str(),filestatus);
+ std::wstring utf16filename = utf8path_to_wstring(filename);
+ int rc = _wstat64(utf16filename.c_str(), filestatus);
#else
- int rc = ::stat(filename.c_str(),filestatus);
+ int rc = ::stat(filename.c_str(), filestatus);
#endif
- // We use stat() to determine existence (see isfile(), isdir()).
- // Don't spam the log if the subject pathname doesn't exist.
- return warnif("stat", filename, rc, ENOENT);
+ return warnif("stat", filename, rc, supress_error);
}
-bool LLFile::isdir(const std::string& filename)
+// _wstat() is a bit heavyweight on Windows, use a more lightweight API
+// to just get the attributes
+unsigned short LLFile::getattr(const std::string& filename, int suppress_error)
{
- llstat st;
+#if LL_WINDOWS
+ int rc = -1;
+ std::wstring utf16filename = utf8path_to_wstring(filename);
+ unsigned short st_mode = get_fileattr(utf16filename);
+ if (st_mode)
+ {
+ return st_mode;
+ }
+#else
+ llstat filestatus;
+ int rc = ::stat(filename.c_str(), &filestatus);
+ if (rc == 0)
+ {
+ return filestatus.st_mode;
+ }
+#endif
+ warnif("getattr", filename, rc, suppress_error);
+ return 0;
+}
- return stat(filename, &st) == 0 && S_ISDIR(st.st_mode);
+bool LLFile::isdir(const std::string& filename)
+{
+ // Don't spam the log if the subject pathname doesn't exist.
+ return S_ISDIR(getattr(filename, ENOENT));
}
bool LLFile::isfile(const std::string& filename)
{
- llstat st;
-
- return stat(filename, &st) == 0 && S_ISREG(st.st_mode);
+ // Don't spam the log if the subject pathname doesn't exist.
+ return S_ISREG(getattr(filename, ENOENT));
}
const char *LLFile::tmpdir()
@@ -368,75 +541,8 @@ const char *LLFile::tmpdir()
return utf8path.c_str();
}
-
-/***************** Modified file stream created to overcome the incorrect behaviour of posix fopen in windows *******************/
-
#if LL_WINDOWS
-LLFILE * LLFile::_Fiopen(const std::string& filename,
- std::ios::openmode mode)
-{ // open a file
- static const char *mods[] =
- { // fopen mode strings corresponding to valid[i]
- "r", "w", "w", "a", "rb", "wb", "wb", "ab",
- "r+", "w+", "a+", "r+b", "w+b", "a+b",
- 0};
- static const int valid[] =
- { // valid combinations of open flags
- ios_base::in,
- ios_base::out,
- ios_base::out | ios_base::trunc,
- ios_base::out | ios_base::app,
- ios_base::in | ios_base::binary,
- ios_base::out | ios_base::binary,
- ios_base::out | ios_base::trunc | ios_base::binary,
- ios_base::out | ios_base::app | ios_base::binary,
- ios_base::in | ios_base::out,
- ios_base::in | ios_base::out | ios_base::trunc,
- ios_base::in | ios_base::out | ios_base::app,
- ios_base::in | ios_base::out | ios_base::binary,
- ios_base::in | ios_base::out | ios_base::trunc
- | ios_base::binary,
- ios_base::in | ios_base::out | ios_base::app
- | ios_base::binary,
- 0};
-
- LLFILE *fp = 0;
- int n;
- ios_base::openmode atendflag = mode & ios_base::ate;
- ios_base::openmode norepflag = mode & ios_base::_Noreplace;
-
- if (mode & ios_base::_Nocreate)
- mode |= ios_base::in; // file must exist
- mode &= ~(ios_base::ate | ios_base::_Nocreate | ios_base::_Noreplace);
- for (n = 0; valid[n] != 0 && valid[n] != mode; ++n)
- ; // look for a valid mode
-
- if (valid[n] == 0)
- return (0); // no valid mode
- else if (norepflag && mode & (ios_base::out | ios_base::app)
- && (fp = LLFile::fopen(filename, "r")) != 0) /* Flawfinder: ignore */
- { // file must not exist, close and fail
- fclose(fp);
- return (0);
- }
- else if (fp != 0 && fclose(fp) != 0)
- return (0); // can't close after test open
-// should open with protection here, if other than default
- else if ((fp = LLFile::fopen(filename, mods[n])) == 0) /* Flawfinder: ignore */
- return (0); // open failed
-
- if (!atendflag || fseek(fp, 0, SEEK_END) == 0)
- return (fp); // no need to seek to end, or seek succeeded
-
- fclose(fp); // can't position at end
- return (0);
-}
-
-#endif /* LL_WINDOWS */
-
-
-#if LL_WINDOWS
/************** input file stream ********************************/
llifstream::llifstream() {}
diff --git a/indra/llcommon/llfile.h b/indra/llcommon/llfile.h
index 1661cbeb55..0bd6be7f94 100644
--- a/indra/llcommon/llfile.h
+++ b/indra/llcommon/llfile.h
@@ -41,8 +41,8 @@ typedef FILE LLFILE;
#include <sys/stat.h>
#if LL_WINDOWS
-// windows version of stat function and stat data structure are called _stat
-typedef struct _stat llstat;
+// windows version of stat function and stat data structure are called _statxx
+typedef struct _stat64 llstat;
#else
typedef struct stat llstat;
#include <sys/types.h>
@@ -58,33 +58,89 @@ typedef struct stat llstat;
#include "llstring.h" // safe char* -> std::string conversion
+/// LLFile is a class of static functions operating on paths
+/// All the functions with a path string input take UTF8 path/filenames
class LL_COMMON_API LLFile
{
public:
- // All these functions take UTF8 path/filenames.
- static LLFILE* fopen(const std::string& filename,const char* accessmode); /* Flawfinder: ignore */
- static LLFILE* _fsopen(const std::string& filename,const char* accessmode,int sharingFlag);
+ /// open a file with the specified access mode
+ static LLFILE* fopen(const std::string& filename, const char* accessmode); /* Flawfinder: ignore */
+ ///< 'accessmode' follows the rules of the Posix fopen() mode parameter
+ /// "r" open the file for reading only and positions the stream at the beginning
+ /// "r+" open the file for reading and writing and positions the stream at the beginning
+ /// "w" open the file for reading and writing and truncate it to zero length
+ /// "w+" open or create the file for reading and writing and truncate to zero length if it existed
+ /// "a" open the file for reading and writing and position the stream at the end of the file
+ /// "a+" open or create the file for reading and writing and position the stream at the end of the file
+ ///
+ /// in addition to these values, "b" can be appended to indicate binary stream access, but on Linux and Mac
+ /// this is strictly for compatibility and has no effect. On Windows this makes the file functions not
+ /// try to translate line endings. Windows also allows to append "t" to indicate text mode. If neither
+ /// "b" or "t" is defined, Windows uses the value set by _fmode which by default is _O_TEXT.
+ /// This means that it is always a good idea to append "b" specifically for binary file access to
+ /// avoid corruption of the binary consistency of the data stream when reading or writing
+ /// Other characters in 'accessmode' will usually cause an error as fopen will verify this parameter
+ /// @returns a valid LLFILE* pointer on success or NULL on failure
static int close(LLFILE * file);
+ /// retrieve the content of a file into a string
static std::string getContents(const std::string& filename);
+ ///< @returns the content of the file or an empty string on failure
- // perms is a permissions mask like 0777 or 0700. In most cases it will
- // be overridden by the user's umask. It is ignored on Windows.
- // mkdir() considers "directory already exists" to be SUCCESS.
+ /// create a directory
static int mkdir(const std::string& filename, int perms = 0700);
-
- static int rmdir(const std::string& filename);
+ ///< perms is a permissions mask like 0777 or 0700. In most cases it will be
+ /// overridden by the user's umask. It is ignored on Windows.
+ /// mkdir() considers "directory already exists" to be not an error.
+ /// @returns 0 on success and -1 on failure.
+
+ //// remove a directory
+ static int rmdir(const std::string& filename, int supress_error = 0);
+ ///< pass ENOENT in the optional 'supress_error' parameter
+ /// if you don't want a warning in the log when the directory does not exist
+ /// @returns 0 on success and -1 on failure.
+
+ /// remove a file or directory
static int remove(const std::string& filename, int supress_error = 0);
- static int rename(const std::string& filename,const std::string& newname, int supress_error = 0);
- static bool copy(const std::string& from, const std::string& to);
+ ///< pass ENOENT in the optional 'supress_error' parameter
+ /// if you don't want a warning in the log when the directory does not exist
+ /// @returns 0 on success and -1 on failure.
- static int stat(const std::string& filename,llstat* file_status);
- static bool isdir(const std::string& filename);
- static bool isfile(const std::string& filename);
- static LLFILE * _Fiopen(const std::string& filename,
- std::ios::openmode mode);
+ /// rename a file,
+ static int rename(const std::string& filename, const std::string& newname, int supress_error = 0);
+ ///< it will silently overwrite newname if it exists without returning an error
+ /// @returns 0 on success and -1 on failure.
+
+ // copy the contents of file from 'from' to 'to' filename
+ static bool copy(const std::string& from, const std::string& to);
+ ///< @returns true on success and false on failure.
+
+ /// return the file stat structure for filename
+ static int stat(const std::string& filename, llstat* file_status, int supress_error = ENOENT);
+ ///< for compatibility with existing uses of LL_File::stat() we use ENOENT as default in the
+ /// optional 'supress_error' parameter to avoid spamming the log with warnings when the API
+ /// is used to detect if a file exists
+ /// @returns 0 on success and -1 on failure.
+
+ /// get the file or directory attributes for filename
+ static unsigned short getattr(const std::string& filename, int supress_error = 0);
+ ///< a more lightweight function on Windows to stat, that just returns the file attribute flags
+ /// pass ENOENT in the optional 'supress_error' parameter if you don't want a warning
+ /// in the log when the file or directory does not exist
+ /// @returns 0 on failure and a st_mode value with either S_IFDIR or S_IFREG set otherwise
+ /// together with the three access bits which under Windows only the write bit is relevant.
+
+ /// check if filename is an existing directory
+ static bool isdir(const std::string& filename);
+ ///< @returns true if the path is for an existing directory
+
+ /// check if filename is an existing file
+ static bool isfile(const std::string& filename);
+ ///< @returns true if the path is for an existing file
+
+ /// return a path to the temporary directory on the system
static const char * tmpdir();
};
diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp
index 21b11c5311..270ca40086 100644
--- a/indra/llcommon/llsys.cpp
+++ b/indra/llcommon/llsys.cpp
@@ -1348,10 +1348,6 @@ bool gunzip_file(const std::string& srcfile, const std::string& dstfile)
} while(gzeof(src) == 0);
fclose(dst);
dst = NULL;
-#if LL_WINDOWS
- // Rename in windows needs the dstfile to not exist.
- LLFile::remove(dstfile, ENOENT);
-#endif
if (LLFile::rename(tmpfile, dstfile) == -1) goto err; /* Flawfinder: ignore */
retval = true;
err:
@@ -1399,10 +1395,6 @@ bool gzip_file(const std::string& srcfile, const std::string& dstfile)
gzclose(dst);
dst = NULL;
-#if LL_WINDOWS
- // Rename in windows needs the dstfile to not exist.
- LLFile::remove(dstfile);
-#endif
if (LLFile::rename(tmpfile, dstfile) == -1) goto err; /* Flawfinder: ignore */
retval = true;
err:
diff --git a/indra/llcrashlogger/llcrashlogger.cpp b/indra/llcrashlogger/llcrashlogger.cpp
index b1b698375a..d5c585b45e 100644
--- a/indra/llcrashlogger/llcrashlogger.cpp
+++ b/indra/llcrashlogger/llcrashlogger.cpp
@@ -576,10 +576,6 @@ bool LLCrashLogger::init()
std::string old_log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "crashreport.log.old");
std::string log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "crashreport.log");
-#if LL_WINDOWS
- LLAPRFile::remove(old_log_file);
-#endif
-
LLFile::rename(log_file.c_str(), old_log_file.c_str());
// Set the log file to crashreport.log
diff --git a/indra/llfilesystem/llfilesystem.cpp b/indra/llfilesystem/llfilesystem.cpp
index 5ce5244107..541266af4f 100644
--- a/indra/llfilesystem/llfilesystem.cpp
+++ b/indra/llfilesystem/llfilesystem.cpp
@@ -103,9 +103,6 @@ bool LLFileSystem::renameFile(const LLUUID& old_file_id, const LLAssetType::ETyp
const std::string old_filename = LLDiskCache::metaDataToFilepath(old_file_id, old_file_type);
const std::string new_filename = LLDiskCache::metaDataToFilepath(new_file_id, new_file_type);
- // Rename needs the new file to not exist.
- LLFileSystem::removeFile(new_file_id, new_file_type, ENOENT);
-
if (LLFile::rename(old_filename, new_filename) != 0)
{
// We would like to return false here indicating the operation
diff --git a/indra/llui/llviewereventrecorder.cpp b/indra/llui/llviewereventrecorder.cpp
index 6d907d7e45..9eefba1390 100644
--- a/indra/llui/llviewereventrecorder.cpp
+++ b/indra/llui/llviewereventrecorder.cpp
@@ -34,8 +34,6 @@ LLViewerEventRecorder::LLViewerEventRecorder() {
logEvents = false;
// Remove any previous event log file
std::string old_log_ui_events_to_llsd_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "SecondLife_Events_log.old");
- LLFile::remove(old_log_ui_events_to_llsd_file, ENOENT);
-
mLogFilename = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "SecondLife_Events_log.llsd");
LLFile::rename(mLogFilename, old_log_ui_events_to_llsd_file, ENOENT);
diff --git a/indra/newview/llvoicevivox.cpp b/indra/newview/llvoicevivox.cpp
index 6d29038a23..8792ae3285 100644
--- a/indra/newview/llvoicevivox.cpp
+++ b/indra/newview/llvoicevivox.cpp
@@ -1014,7 +1014,6 @@ bool LLVivoxVoiceClient::startAndLaunchDaemon()
std::string old_log = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "SLVoice.old");
if (gDirUtilp->fileExists(new_log))
{
- LLFile::remove(old_log, ENOENT);
LLFile::rename(new_log, old_log);
}