summaryrefslogtreecommitdiff
path: root/indra/llcommon/llfile.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'indra/llcommon/llfile.cpp')
-rw-r--r--indra/llcommon/llfile.cpp546
1 files changed, 273 insertions, 273 deletions
diff --git a/indra/llcommon/llfile.cpp b/indra/llcommon/llfile.cpp
index 8355b1e797..1877dd54ed 100644
--- a/indra/llcommon/llfile.cpp
+++ b/indra/llcommon/llfile.cpp
@@ -52,9 +52,9 @@ static std::string empty;
// On Windows, use strerror_s().
std::string strerr(int errn)
{
- char buffer[256];
- strerror_s(buffer, errn); // infers sizeof(buffer) -- love it!
- return buffer;
+ char buffer[256];
+ strerror_s(buffer, errn); // infers sizeof(buffer) -- love it!
+ return buffer;
}
typedef std::basic_ios<char,std::char_traits < char > > _Myios;
@@ -69,295 +69,295 @@ typedef std::basic_ios<char,std::char_traits < char > > _Myios;
// strerror_r() returns char*
std::string message_from(int /*orig_errno*/, const char* /*buffer*/, size_t /*bufflen*/,
- const char* strerror_ret)
+ const char* strerror_ret)
{
- return strerror_ret;
+ return strerror_ret;
}
// strerror_r() returns int
std::string message_from(int orig_errno, const char* buffer, size_t bufflen,
- int strerror_ret)
+ int strerror_ret)
{
- if (strerror_ret == 0)
- {
- return buffer;
- }
- // Here strerror_r() has set errno. Since strerror_r() has already failed,
- // seems like a poor bet to call it again to diagnose its own error...
- int stre_errno = errno;
- if (stre_errno == ERANGE)
- {
- return STRINGIZE("strerror_r() can't explain errno " << orig_errno
- << " (" << bufflen << "-byte buffer too small)");
- }
- if (stre_errno == EINVAL)
- {
- return STRINGIZE("unknown errno " << orig_errno);
- }
- // Here we don't even understand the errno from strerror_r()!
- return STRINGIZE("strerror_r() can't explain errno " << orig_errno
- << " (error " << stre_errno << ')');
+ if (strerror_ret == 0)
+ {
+ return buffer;
+ }
+ // Here strerror_r() has set errno. Since strerror_r() has already failed,
+ // seems like a poor bet to call it again to diagnose its own error...
+ int stre_errno = errno;
+ if (stre_errno == ERANGE)
+ {
+ return STRINGIZE("strerror_r() can't explain errno " << orig_errno
+ << " (" << bufflen << "-byte buffer too small)");
+ }
+ if (stre_errno == EINVAL)
+ {
+ return STRINGIZE("unknown errno " << orig_errno);
+ }
+ // Here we don't even understand the errno from strerror_r()!
+ return STRINGIZE("strerror_r() can't explain errno " << orig_errno
+ << " (error " << stre_errno << ')');
}
std::string strerr(int errn)
{
- char buffer[256];
- // Select message_from() function matching the strerror_r() we have on hand.
- return message_from(errn, buffer, sizeof(buffer),
- strerror_r(errn, buffer, sizeof(buffer)));
+ char buffer[256];
+ // Select message_from() function matching the strerror_r() we have on hand.
+ return message_from(errn, buffer, sizeof(buffer),
+ strerror_r(errn, buffer, sizeof(buffer)));
}
-#endif // ! LL_WINDOWS
+#endif // ! LL_WINDOWS
// On either system, shorthand call just infers global 'errno'.
std::string strerr()
{
- return strerr(errno);
+ return strerr(errno);
}
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.
- if (errn != accept)
- {
- LL_WARNS("LLFile") << "Couldn't " << desc << " '" << filename
- << "' (errno " << errn << "): " << strerr(errn) << LL_ENDL;
- }
+ 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.
+ if (errn != accept)
+ {
+ LL_WARNS("LLFile") << "Couldn't " << desc << " '" << filename
+ << "' (errno " << errn << "): " << strerr(errn) << LL_ENDL;
+ }
#if 0 && LL_WINDOWS // turn on to debug file-locking problems
- // If the problem is "Permission denied," maybe it's because another
- // process has the file open. Try to find out.
- if (errn == EACCES) // *not* EPERM
- {
- // Only do any of this stuff (before LL_ENDL) if it will be logged.
- LL_DEBUGS("LLFile") << empty;
- // would be nice to use LLDir for this, but dependency goes the
- // wrong way
- const char* TEMP = LLFile::tmpdir();
- if (! (TEMP && *TEMP))
- {
- LL_CONT << "No $TEMP, not running 'handle'";
- }
- else
- {
- std::string tf(TEMP);
- tf += "\\handle.tmp";
- // http://technet.microsoft.com/en-us/sysinternals/bb896655
- std::string cmd(STRINGIZE("handle \"" << filename
- // "openfiles /query /v | fgrep -i \"" << filename
- << "\" > \"" << tf << '"'));
- LL_CONT << cmd;
- if (system(cmd.c_str()) != 0)
- {
- LL_CONT << "\nDownload 'handle.exe' from http://technet.microsoft.com/en-us/sysinternals/bb896655";
- }
- else
- {
- std::ifstream inf(tf);
- std::string line;
- while (std::getline(inf, line))
- {
- LL_CONT << '\n' << line;
- }
- }
- LLFile::remove(tf);
- }
- LL_CONT << LL_ENDL;
- }
+ // If the problem is "Permission denied," maybe it's because another
+ // process has the file open. Try to find out.
+ if (errn == EACCES) // *not* EPERM
+ {
+ // Only do any of this stuff (before LL_ENDL) if it will be logged.
+ LL_DEBUGS("LLFile") << empty;
+ // would be nice to use LLDir for this, but dependency goes the
+ // wrong way
+ const char* TEMP = LLFile::tmpdir();
+ if (! (TEMP && *TEMP))
+ {
+ LL_CONT << "No $TEMP, not running 'handle'";
+ }
+ else
+ {
+ std::string tf(TEMP);
+ tf += "\\handle.tmp";
+ // http://technet.microsoft.com/en-us/sysinternals/bb896655
+ std::string cmd(STRINGIZE("handle \"" << filename
+ // "openfiles /query /v | fgrep -i \"" << filename
+ << "\" > \"" << tf << '"'));
+ LL_CONT << cmd;
+ if (system(cmd.c_str()) != 0)
+ {
+ LL_CONT << "\nDownload 'handle.exe' from http://technet.microsoft.com/en-us/sysinternals/bb896655";
+ }
+ else
+ {
+ std::ifstream inf(tf);
+ std::string line;
+ while (std::getline(inf, line))
+ {
+ LL_CONT << '\n' << line;
+ }
+ }
+ LLFile::remove(tf);
+ }
+ LL_CONT << LL_ENDL;
+ }
#endif // LL_WINDOWS hack to identify processes holding file open
- }
- return rc;
+ }
+ return rc;
}
// static
-int LLFile::mkdir(const std::string& dirname, int perms)
+int LLFile::mkdir(const std::string& dirname, int perms)
{
#if LL_WINDOWS
- // permissions are ignored on Windows
- std::string utf8dirname = dirname;
- llutf16string utf16dirname = utf8str_to_utf16str(utf8dirname);
- int rc = _wmkdir(utf16dirname.c_str());
+ // permissions are ignored on Windows
+ std::string utf8dirname = dirname;
+ llutf16string utf16dirname = utf8str_to_utf16str(utf8dirname);
+ int rc = _wmkdir(utf16dirname.c_str());
#else
- int rc = ::mkdir(dirname.c_str(), (mode_t)perms);
+ 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;
- }
- // anything else might be a problem
- return warnif("mkdir", dirname, rc, EEXIST);
+ // 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;
+ }
+ // anything else might be a problem
+ return warnif("mkdir", dirname, rc, EEXIST);
}
// static
-int LLFile::rmdir(const std::string& dirname)
+int LLFile::rmdir(const std::string& dirname)
{
#if LL_WINDOWS
- // permissions are ignored on Windows
- std::string utf8dirname = dirname;
- llutf16string utf16dirname = utf8str_to_utf16str(utf8dirname);
- int rc = _wrmdir(utf16dirname.c_str());
+ // permissions are ignored on Windows
+ std::string utf8dirname = dirname;
+ llutf16string utf16dirname = utf8str_to_utf16str(utf8dirname);
+ int rc = _wrmdir(utf16dirname.c_str());
#else
- int rc = ::rmdir(dirname.c_str());
+ int rc = ::rmdir(dirname.c_str());
#endif
- return warnif("rmdir", dirname, rc);
+ return warnif("rmdir", dirname, rc);
}
// static
-LLFILE* LLFile::fopen(const std::string& filename, const char* mode) /* Flawfinder: ignore */
+LLFILE* LLFile::fopen(const std::string& filename, const char* mode) /* Flawfinder: ignore */
{
-#if LL_WINDOWS
- std::string utf8filename = filename;
- std::string utf8mode = std::string(mode);
- llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
- llutf16string utf16mode = utf8str_to_utf16str(utf8mode);
- return _wfopen(utf16filename.c_str(),utf16mode.c_str());
+#if LL_WINDOWS
+ std::string utf8filename = filename;
+ std::string utf8mode = std::string(mode);
+ llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
+ llutf16string utf16mode = utf8str_to_utf16str(utf8mode);
+ return _wfopen(utf16filename.c_str(),utf16mode.c_str());
#else
- return ::fopen(filename.c_str(),mode); /* Flawfinder: ignore */
+ return ::fopen(filename.c_str(),mode); /* Flawfinder: ignore */
#endif
}
-LLFILE* LLFile::_fsopen(const std::string& filename, const char* mode, int sharingFlag)
+LLFILE* LLFile::_fsopen(const std::string& filename, const char* mode, int sharingFlag)
{
-#if LL_WINDOWS
- std::string utf8filename = filename;
- std::string utf8mode = std::string(mode);
- llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
- llutf16string utf16mode = utf8str_to_utf16str(utf8mode);
- return _wfsopen(utf16filename.c_str(),utf16mode.c_str(),sharingFlag);
+#if LL_WINDOWS
+ std::string utf8filename = filename;
+ std::string utf8mode = std::string(mode);
+ llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
+ llutf16string utf16mode = utf8str_to_utf16str(utf8mode);
+ return _wfsopen(utf16filename.c_str(),utf16mode.c_str(),sharingFlag);
#else
- llassert(0);//No corresponding function on non-windows
- return NULL;
+ llassert(0);//No corresponding function on non-windows
+ return NULL;
#endif
}
-int LLFile::close(LLFILE * file)
+int LLFile::close(LLFILE * file)
{
- int ret_value = 0;
- if (file)
- {
- ret_value = fclose(file);
- }
- return ret_value;
+ int ret_value = 0;
+ if (file)
+ {
+ ret_value = fclose(file);
+ }
+ return ret_value;
}
-int LLFile::remove(const std::string& filename, int supress_error)
+int LLFile::remove(const std::string& filename, int supress_error)
{
-#if LL_WINDOWS
- std::string utf8filename = filename;
- llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
- int rc = _wremove(utf16filename.c_str());
+#if LL_WINDOWS
+ std::string utf8filename = filename;
+ llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
+ int rc = _wremove(utf16filename.c_str());
#else
- int rc = ::remove(filename.c_str());
+ int rc = ::remove(filename.c_str());
#endif
- return warnif("remove", filename, rc, supress_error);
+ return warnif("remove", filename, rc, supress_error);
}
-int LLFile::rename(const std::string& filename, const std::string& newname, int supress_error)
+int LLFile::rename(const std::string& filename, const std::string& newname, int supress_error)
{
-#if LL_WINDOWS
- std::string utf8filename = filename;
- std::string utf8newname = newname;
- llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
- llutf16string utf16newname = utf8str_to_utf16str(utf8newname);
- int rc = _wrename(utf16filename.c_str(),utf16newname.c_str());
+#if LL_WINDOWS
+ std::string utf8filename = filename;
+ std::string utf8newname = newname;
+ llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
+ llutf16string utf16newname = utf8str_to_utf16str(utf8newname);
+ int rc = _wrename(utf16filename.c_str(),utf16newname.c_str());
#else
- int rc = ::rename(filename.c_str(),newname.c_str());
+ int rc = ::rename(filename.c_str(),newname.c_str());
#endif
- return warnif(STRINGIZE("rename to '" << newname << "' from"), filename, rc, supress_error);
+ return warnif(STRINGIZE("rename to '" << newname << "' from"), filename, rc, supress_error);
}
bool LLFile::copy(const std::string from, const std::string to)
{
- bool copied = false;
- LLFILE* in = LLFile::fopen(from, "rb"); /* Flawfinder: ignore */
- if (in)
- {
- LLFILE* out = LLFile::fopen(to, "wb"); /* Flawfinder: ignore */
- if (out)
- {
- char buf[16384]; /* Flawfinder: ignore */
- size_t readbytes;
- bool write_ok = true;
- while(write_ok && (readbytes = fread(buf, 1, 16384, in))) /* Flawfinder: ignore */
- {
- if (fwrite(buf, 1, readbytes, out) != readbytes)
- {
- LL_WARNS("LLFile") << "Short write" << LL_ENDL;
- write_ok = false;
- }
- }
- if ( write_ok )
- {
- copied = true;
- }
- fclose(out);
- }
- fclose(in);
- }
- return copied;
+ bool copied = false;
+ LLFILE* in = LLFile::fopen(from, "rb"); /* Flawfinder: ignore */
+ if (in)
+ {
+ LLFILE* out = LLFile::fopen(to, "wb"); /* Flawfinder: ignore */
+ if (out)
+ {
+ char buf[16384]; /* Flawfinder: ignore */
+ size_t readbytes;
+ bool write_ok = true;
+ while(write_ok && (readbytes = fread(buf, 1, 16384, in))) /* Flawfinder: ignore */
+ {
+ if (fwrite(buf, 1, readbytes, out) != readbytes)
+ {
+ LL_WARNS("LLFile") << "Short write" << LL_ENDL;
+ write_ok = false;
+ }
+ }
+ if ( write_ok )
+ {
+ copied = true;
+ }
+ fclose(out);
+ }
+ fclose(in);
+ }
+ return copied;
}
-int LLFile::stat(const std::string& filename, llstat* filestatus)
+int LLFile::stat(const std::string& filename, llstat* filestatus)
{
#if LL_WINDOWS
- std::string utf8filename = filename;
- llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
- int rc = _wstat(utf16filename.c_str(),filestatus);
+ std::string utf8filename = filename;
+ llutf16string utf16filename = utf8str_to_utf16str(utf8filename);
+ int rc = _wstat(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);
+ // 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);
}
bool LLFile::isdir(const std::string& filename)
{
- llstat st;
+ llstat st;
- return stat(filename, &st) == 0 && S_ISDIR(st.st_mode);
+ return stat(filename, &st) == 0 && S_ISDIR(st.st_mode);
}
bool LLFile::isfile(const std::string& filename)
{
- llstat st;
+ llstat st;
- return stat(filename, &st) == 0 && S_ISREG(st.st_mode);
+ return stat(filename, &st) == 0 && S_ISREG(st.st_mode);
}
const char *LLFile::tmpdir()
{
- static std::string utf8path;
+ static std::string utf8path;
- if (utf8path.empty())
- {
- char sep;
+ if (utf8path.empty())
+ {
+ char sep;
#if LL_WINDOWS
- sep = '\\';
+ sep = '\\';
- std::vector<wchar_t> utf16path(MAX_PATH + 1);
- GetTempPathW(utf16path.size(), &utf16path[0]);
- utf8path = ll_convert_wide_to_string(&utf16path[0]);
+ std::vector<wchar_t> utf16path(MAX_PATH + 1);
+ GetTempPathW(utf16path.size(), &utf16path[0]);
+ utf8path = ll_convert_wide_to_string(&utf16path[0]);
#else
- sep = '/';
+ sep = '/';
- utf8path = LLStringUtil::getenv("TMPDIR", "/tmp/");
+ utf8path = LLStringUtil::getenv("TMPDIR", "/tmp/");
#endif
- if (utf8path[utf8path.size() - 1] != sep)
- {
- utf8path += sep;
- }
- }
- return utf8path.c_str();
+ if (utf8path[utf8path.size() - 1] != sep)
+ {
+ utf8path += sep;
+ }
+ }
+ return utf8path.c_str();
}
@@ -365,64 +365,64 @@ const char *LLFile::tmpdir()
#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
+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
+ 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
+ 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);
+ fclose(fp); // can't position at end
+ return (0);
}
#endif /* LL_WINDOWS */
@@ -469,26 +469,26 @@ void llofstream::open(const std::string& _Filename, ios_base::openmode _Mode)
std::streamsize llifstream_size(llifstream& ifstr)
{
- if(!ifstr.is_open()) return 0;
- std::streampos pos_old = ifstr.tellg();
- ifstr.seekg(0, ios_base::beg);
- std::streampos pos_beg = ifstr.tellg();
- ifstr.seekg(0, ios_base::end);
- std::streampos pos_end = ifstr.tellg();
- ifstr.seekg(pos_old, ios_base::beg);
- return pos_end - pos_beg;
+ if(!ifstr.is_open()) return 0;
+ std::streampos pos_old = ifstr.tellg();
+ ifstr.seekg(0, ios_base::beg);
+ std::streampos pos_beg = ifstr.tellg();
+ ifstr.seekg(0, ios_base::end);
+ std::streampos pos_end = ifstr.tellg();
+ ifstr.seekg(pos_old, ios_base::beg);
+ return pos_end - pos_beg;
}
std::streamsize llofstream_size(llofstream& ofstr)
{
- if(!ofstr.is_open()) return 0;
- std::streampos pos_old = ofstr.tellp();
- ofstr.seekp(0, ios_base::beg);
- std::streampos pos_beg = ofstr.tellp();
- ofstr.seekp(0, ios_base::end);
- std::streampos pos_end = ofstr.tellp();
- ofstr.seekp(pos_old, ios_base::beg);
- return pos_end - pos_beg;
+ if(!ofstr.is_open()) return 0;
+ std::streampos pos_old = ofstr.tellp();
+ ofstr.seekp(0, ios_base::beg);
+ std::streampos pos_beg = ofstr.tellp();
+ ofstr.seekp(0, ios_base::end);
+ std::streampos pos_end = ofstr.tellp();
+ ofstr.seekp(pos_old, ios_base::beg);
+ return pos_end - pos_beg;
}
#endif // LL_WINDOWS
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 00:22:10 +0000